| View | Hapax Script
and VizionEck Script | | | Mike Armbrust | Game Page | 2013 | Writing only | Hapax Script | | Conworld, Xenolang/Alien, Experimental, and Other | A priori | Well-developed | Developed for the video game Hapax. Designed to be a realistic alien language that is still human usable. |
| View | Na'vi | Lìʼfya leNaʼvi | | Paul Frommer | Learn Na'vi | 2005 | Speech and writing | | | Conworld and Xenolang/Alien | A priori | Learners | |
| View | Von | | | Mike Armbrust | | 2005 | Speech and writing | | | Personal | A priori | Sketch/Minimal | Mike Armbrust's first documented conlang. It is mostly a relex of English. |
| View | Water Language | | | Mike Armbrust | | 2006 | Speech and writing | | | Personal and Geofictional | A priori | Sketch/Minimal | Mike Armbrust's second conlang. No known documentation survives. The language was designed with a water theme, such as flowing words. |
| View | Pending Name 1 | | | Mike Armbrust | | | Other | | | Personal | A priori | Considerable Development | An unnamed conlang still under development. |
| View | Pending Name 2 | | | Mike Armbrust | | | Speech and writing | | | Personal | A priori | Considerable Development | A second unnamed conlang still under development. |
| View | Pending Name 3 | | | Mike Armbrust | | | Speech and writing | | | Personal | A priori | Considerable Development | A third unnamed conlang still under development. |
| View | ¡odar | ¡odar | | Quel2324 | https://docs.google.com/document/d/11q1Y7908hmw-C3FpAB6hYIVOGgVYwDeCU6C6KiszMEQ/edit# | 2020 | Speech and writing | Latin | | | A priori | Value Unknown | |
| View | /th/ Lang, The | | | Jonathana Tegire | https://web.archive.org/web/20050627085149/http://www.spinnoff.com/zbb/viewtopic.php?t=205 | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | 1580 | 1580 | | Jack Eisenmann | http://www.ostracodfiles.com/1580/dictionary.txt | 0 | Speech and writing | | | | A priori | Value Unknown | |
| View | 353 | | | Marcelo Martinelli | https://web.archive.org/web/20050627085149/http://www.353.s5.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Aachgnek | | | Tim "Bob" Konesky | https://app.lucidchart.com/invitations/accept/4f810538-d1a2-4579-a23c-b4d12c163c0b | 2017 | Speech and writing | | | Alternate History | A priori | Value Unknown | |
| View | Abakwi | | | James Finley | https://web.archive.org/web/20050627085149/http://www.eyebiter.com/linguine/abakwi/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Ablarinese | ŋə | | Liam Herrle | https://sites.google.com/view/ablarinese/home?authuser=0 | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Achlin | Achlin | | SCP Time | N/A | 2020 | Speech and writing | | | | A priori | Value Unknown | **Evolved from Proto-Achloromo |
| View | Ada | Ada | | Gregory Shutt (Hobomancat) | https://docs.google.com/document/d/1z1yKaQr8V0XoGGWVx9SwZZrjI-EqNPj-qvLrtZYChKw/edit?usp=sharing | 2020 | Speech and writing | | | Personal | A priori | Considerable Development | |
| View | Adam-man | | | Edmund Shaftesbury (pseud.) | http://www.frathwiki.com/File:The_Adam-man_Tongue.pdf | 1890 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Adare | | | Asier G. | https://web.archive.org/web/20050627085149/http://usuarios.lycos.es/lenguas/adgramatica.htm | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Adawa | | | Bruce Foerster | https://web.archive.org/web/20050627085149/http://www.geocities.com/SoHo/Study/3700/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Adelic | | | Scott MacLagan | https://web.archive.org/web/20050627085149/http://www.geocities.com/Area51/Station/6297/index.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Adjuvilo | | | Cola/Esperema | https://web.archive.org/web/20050627085149/http://adam.cheshire.net/~jjbowks/auxiling/_adjuv.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Adpihi | Adpihi | | Thomas Hart Chappell | http://cbbforum.com/viewtopic.php?p=45285#p45285 | 1960 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Adûnaic
and Adunaic | Adûni | qaz | J. R. R. Tolkien | http://en.wikipedia.org/wiki/Adûnaic | 1945 | Speech and writing | | | Story-based and Conworld | A priori | Considerable Development | |
| View | Advanced English | | | Pascal A. Kramm | https://web.archive.org/web/20050627085149/http://www.uib.no/People/hnohf/adunaic.htm | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Aeks Nótrï Nódikem | | | Niki Eve White | https://web.archive.org/web/20050627085149/http://www.geocities.com/ninyanworld/language/index.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Ælis | eg'ælis | | Frederic Gesell | https://conlang.fandom.com/wiki/%C3%86lis | 2007 | Speech and writing | | | Experimental | A priori | Considerable Development | |
| View | Afata Language | | | David J. Peterson | https://dedalvs.tumblr.com/post/179905360232/introduction-to-the-afata-language-part-i and http://dedalvs.tumblr.com/post/179909203858/introduction-to-the-afata-language-part-ii | 2017 | Speech and writing | | | | A priori | Value Unknown | |
| View | Afrihili | Ni Afrihili Oluga | | K. A. Kumi Attobrah | https://en.wikipedia.org/wiki/Afrihili | 1970 | Speech and writing | | | | A posteriori | Value Unknown | * imported from SIL — remove this label once data is known |
| View | Ahtohallan | Ahtohallo | | Josh Hien (joconlang) | | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Al Bakiyye Classical | ᒍ Ḷ⟓৬ | qab | Mevlüt Baki Tapan | https://docs.google.com/document/d/1laWV_wncYKJKFQWUIvHemEfkPO4fDwG-iPd2PbNSQqw/edit?usp=sharing | 2019 | Speech and writing | Classical Al Bakiyye | Altaic | Story-based, Conworld, Global Auxiliary, Other Auxiliary, and Ideal | Mixture | Considerable Development | |
| View | Al Bakiyye Standard | ᒍ Ḷ⟓৬ ≾❞ᛠᒍ | qab | Mevlüt Baki Tapan | http://albakiyye.rastgelelik.com | 2020 | Speech and writing | Al Bakiyye, Latin, Arabic, Orkhun | Ural – Altaic | Conworld and Global Auxiliary | Mixture | Considerable Development | There is no alphabet rule. This conlang can be written in any alphabet and writing system. |
| View | Alarhaic | al-arhat | | Satori Migibito | | 2019 | Value Unknown | | | | A priori | Value Unknown | |
| View | Alfinu | Alfinu | qal | Andrej Schütz | http://linguifex.com/wiki/Alfinu | 2014 | Speech and writing | Latin | Indo-European
and Romance | Personal and Other | A posteriori | Some Development | |
| View | Alurhsa | álurhsá hálye | | Tony Harris | http://alurhsa.org/ | 1977 | Speech and writing | | | | A priori | Considerable Development | |
| View | Amalishke | Amalishke | | Logan R. Kearsley | | 2015 | Speech and writing | | | | A priori | Considerable Development | |
| View | ámman îar | ámman îar | | David Bell | http://graywizard.conlang.org/amman_iar.htm | 1970 | Speech and writing | | | | A priori | Considerable Development | |
| View | Anáki | anákir lánus, lánus anákir | | James Girven | https://docs.google.com/document/d/1FUeFK1EfFIbU3oBUg48RgLXuedMpRMIdgFNoUFGF3RE/edit?usp=sharing | 2020 | Speech and writing | | | Personal and Conworld | A priori | Considerable Development | |
| View | Anawanda | | | Tomasso Donnarumma | https://web.archive.org/web/20060110213935/http://www.glossopoiesis.net/Anawanda/intro.html | 1998 | Speech and writing | | | | A priori | Value Unknown | |
| View | Ancient Tyrian | Tyryani | | David Garsten | | 2019 | Speech and writing | | | | A priori | Value Unknown | |
| View | Aneuvien | Anoeven | | Anoev | http://www.europalingua.eu/ideopedia/index.php5?title=Aneuvien | 1971 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Angliç Sprijc | | | Die Çunde | https://5fb6e585a8c29.site123.me// | 2020 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Angos | | | Ben Wood | http://angoslanguage.wikispaces.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Animalic | | | J.R.R. Tolkien, childhood friends | https://folk.uib.no/hnohf/animalic.htm | 1910 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Anrish | | | Aedemn Egnras | https://linguifex.com/wiki/Anrish | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Anšyamī | // Anšyamī // | | Austin Elizabeth Gaines (Glass Coppelia) | https://docs.google.com/document/d/1cD_UZ4364w0D1nc4IikJ9g2_IrY2vtR9ovc0S824lZI/edit | 2017 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Anvalu | // Anvalu // | | Austin Elizabeth Gaines (Glass Coppelia) | https://docs.google.com/document/d/1SPO2I1zevPLVjjell285SV_sF3METjZsR7PXI9UtrH8/edit | 2016 | Speech and writing | | | | Mixture | Value Unknown | |
| View | archsign | ISLAND(reduplicate, bend)(first-hand)(hold) COMMUNICATE(spread across sign space)(second-hand) | | jan Olipija (aka Water) | | 2020 | Sign | | | | A priori | Considerable Development | |
| View | Ardibas | Ardibas | | Lucas Gallindo | https://discord.gg/MsUs47h | 2019 | Speech and writing | | | Global Auxiliary | A posteriori | Value Unknown | |
| View | Ardlang | | | Elia Ansaloni | http://www.frathwiki.com/Ardlang | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Arendellic | Arrendellki | | Barnabas Allen | https://www.reddit.com/r/conlangs/comments/hzq4ul/frozen_conlang_arendellic/ | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Aribic | aribiit | | Satori Migibito | | 2019 | Value Unknown | | | | A priori | Value Unknown | |
| View | Arka | arka | | Seren Arbazard | http://conlinguistics.org/arka/e_index.html | 1991 | Speech and writing | | | | A priori | Active Community | |
| View | Armaic | ARMT | | Satori Migibito | | 2018 | Value Unknown | | | | A priori | Value Unknown | |
| View | Arodjun | Kat djArodjunx | | Robert Cole (Agma Schwa) | https://www.nguh.org/home/arodjun | 2017 | Speech and writing | | | | A priori | Considerable Development | |
| View | Arpien | Arpien | | Thomas Hart Chappell | https://conlang.fandom.com/wiki/Arpien | 2006 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Artíjihàkian | Artíjihàk | | Tormis Narno | | 2012 | Speech and writing | | | | A priori | Considerable Development | |
| View | Asha'ille | | | Arthaey Angosii | http://www.arthaey.com/conlang/ashaille/ | 0 | Value Unknown | | | | A priori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Assembly | | | Jack Eisenmann | | 0 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | astrosign | SIGN(inflect-high) STARS(hands away) | | jan Olipija (aka Water) | | 2020 | Sign | | | | Mixture | Considerable Development | |
| View | At'ixilinese | At'ixilin | | Tormis Narno | | 2016 | Speech and writing | | | | A priori | Considerable Development | |
| View | Atili, Classical | Atili | | Andrew Ray | | 2017 | Speech and writing | | | | A priori | Considerable Development | |
| View | Atili, Ecclesiastical | Atili / Atui | | Andrew Ray | http://aray.conlang.org/atili/ | 2017 | Speech and writing | | | | A priori | Considerable Development | |
| View | Atlaans | | | Rolf Weimar | http://atlan.wikia.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Atlantean | | | Marc Okrand | http://en.wikipedia.org/wiki/Atlantean_language | 0 | Value Unknown | | | | A posteriori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Atlantic | otrantih | | Lili21 (u/lilie21) | https://linguifex.com/wiki/Atlantic | 2019 | Speech and writing | | | Alternate History | A posteriori | Considerable Development | |
| View | Attian | | | Waahlis | http://linguifex.com/wiki/Attian | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | aUI | aUI | | W. John Weilgart | https://auilanguage.org/ | 1962 | Speech and writing | | | Philosophical | A priori | Considerable Development | |
| View | Avelas | maribe limu | | u/overthinkingyay | https://docs.google.com/spreadsheets/d/1nAMLk596fhKodiKQkNO_Ecaa-7n6XkkwGhQkTQbGmoU/edit?usp=sharing | 2017 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Axunašin | Axunašin | | Mark Rosenfelder | http://zompist.com/axunashin.htm | 2004 | Speech and writing | | | | A priori | Considerable Development | |
| View | Ayeri | | | Carsten Becker | http://benung.nfshost.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Ayorthaian | | | Gail Carson Levine | https://www.kreativekorp.com/miscpages/ella/ | 1997 | Speech and writing | | | | A posteriori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Azurian | azuriansk | | Lars Finsen | http://www.ortygia.no/uriania/languages-eng.shtml | 2008 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Babm | | | Rikichi (Fuishiki) Okamoto | https://en.wikipedia.org/wiki/Babm | 1962 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Bafrenaś Nóma | | | VahKiel |Kiel#0193| | | 2019 | Speech and writing | | | Experimental | A priori | Considerable Development | |
| View | Bagkonuz | (none) | | Thomas Hart Chappell | https://listserv.brown.edu/cgi-bin/wa?A2=ind0507B&L=CONLANG&P=R9662&X=OA049B9E174AAD77585&Y=eldin_raigmore%40yahoo.com | 2005 | Value Unknown | | | | A priori | Value Unknown | |
| View | Bahasa Makronezhjë | | | Aziz Bastosun | https://conworkshop.info/view_language.php?l=BMK | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Bahatla | Bahatla /'ba.'ha.tla/ | | u/PadawanNerd | | 2020 | Speech and writing | | | Experimental | Mixture | Considerable Development | |
| View | Bajo | Chlu fi Bajo | | A.C. Byrom (JesterGlee) | https://docs.google.com/document/d/1mmgOUratYeZkJcESrFZmeI-5UmXeCRKd7aMePOZKGJY/edit | 2019 | Speech and writing | | | | A priori | Considerable Development | |
| View | Bäladiri | | | Johannes Drucker | https://kts.miraheze.org/wiki/B%C3%A4ladiri | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Balaibalan | | | Fazlallah Astarabadi or Muhyî-i Gülşenî | http://en.wikipedia.org/wiki/Balaibalan | 0 | Value Unknown | | | | A priori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Bano?no | nabibano?noni | | DasWonton | | 2020 | Speech and writing | | | Philosophical | A priori | Value Unknown | |
| View | Baragdri | Bragdr | | Budkalon | | 2015 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Baronh / Abh | | | Morioka Hiroyuki | http://dadh-baronr.s5.xrea.com/ | 0 | Speech and writing | | | | A posteriori | Active Community | |
| View | Bartalonian | Bartaƚôn | | u/SynthFan | | 2008 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Basic English | Basic English | | Charles Kay Ogden | http://www.basic-english.org/ | 1925 | Speech and writing | | | | A posteriori | Learners | |
| View | Basupan | Ba̧supho̧n | | Colleen Fox | | 2018 | Speech and writing | | | | A priori | Value Unknown | |
| View | Batoko | Тил Батокоран (Til Batokoran) | | Tibe That Guy/South Batoko | | 2020 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Baze Ring | Baze-Ring | | Garnet (Garnet3106) | https://bazelinga.gant.work * | 2020 | Value Unknown | | | Global Auxiliary | Mixture | Considerable Development | * The link will be replaced with https://bazering.gant.work. |
| View | Bearlandic | | | Dē Graut Bʉr | http://linguifex.com/wiki/Bearlandic | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Beddelshaedhem | Beddelʃæðem | | Whittier Strong | | 2018 | Speech and writing | | | | A priori | Considerable Development | |
| View | Belter Creole | Belta/Belter/Lang Belta | | Nick Farmer | https://expanse.fandom.com/wiki/Belter_Creole
, https://expanse.fandom.com/wiki/List_of_Belter_Creole_individual_articles
, https://expanse.fandom.com/wiki/Belter_Creole_grammar | 2015 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Bicish | | | Megan Leonard | | 2013 | Speech and writing | | | | A priori | Value Unknown | |
| View | Bilvian | Ndu Biliva | | https://docs.google.com/spreadsheets/d/1nAMLk596fhKodiKQkNO_Ecaa-7n6XkkwGhQkTQbGmoU/edit?usp=sharing | http://aminoapps.com/p/6vfpll | 2020 | Speech and writing | | | Personal | A priori | Well-developed | |
| View | Bilza | Bilza | | ZRezlon | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Bingo Lingo | Xadu | | Matthew C. Murry | | 2020 | Speech and writing | | | Personal | Value Unknown | Considerable Development | |
| View | Birdish (Standard) | Vup Cāh | | u/SynthFan | | 2006 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Bitsluvan | - | | Theo Hoge | https://docs.google.com/spreadsheets/d/1B5dGQHWvPxbioi_R_Xq66YVguu2hSZduRE3ijzMflu4/edit | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Black Speech | | | J.R.R. Tolkien | https://folk.uib.no/hnohf/o2.htm | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Blissymbols | | | Charles K. Bliss | | 1949 | Value Unknown | | | Global Auxiliary | A priori | Fluent Users | |
| View | Bolak | aka Langue Blue | | Léon Bollack | http://en.wikipedia.org/wiki/Bolak_language | 1899 | Value Unknown | | | | A posteriori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Boral | Boral | | Andrew Slattery | https://jackhkeynes.tumblr.com/tagged/boral | 2015 | Speech and writing | | | Alternate History | A posteriori | Considerable Development | |
| View | BreadSpeak | | | Jack Eisenmann | http://www.ostracodfiles.com/breadspeak/menu.html | 0 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | Breg Blatchk | Брег блачък | | u/PikabuOppresser228 | https://docs.google.com/document/d/16qk3B_kZj153HLwdjotfYkvUgD5bv08l8sXQ3ZK_cfY | 2019 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Britainese | | | Ray Brown | http://www.carolandray.plus.com/BART/index.html | 2013 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Brithenig | Brithenig | | Andrew Smith | https://docs.google.com/spreadsheets/d/1IxXL4_mZD2ulOBl-b8SLKVY17SqOELZLt7HEzOvbFkc/edit, | 1996 | Speech and writing | | | Alternate History | A posteriori | Considerable Development | |
| View | Brooding | | | Benjamin P. Johnson, Veronica Hamilton, Ryan D. Long | https://linguifex.com/wiki/Brooding | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Bunkaiian | Šibàñkeïe | | André Luis Marín | | 2016 | Speech and writing | | | Alternate History | A posteriori | Value Unknown | |
| View | Buruya Nzaysa | | | Jan Strasser | http://akana.conlang.org/wiki/Buruya_Nzaysa | 2008 | Speech and writing | | | | Mixture | Considerable Development | A language from the Akana collaborative conworld |
| View | Bwangrud | Bwángxud | | Andrew Ray | http://aray.conlang.org/bwangxud/ | 2015 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Caccigga | | | Sam Stutter | http://caccigga.webege.com/Conlangs.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Caďinor | Caďinor | | Mark Rosenfelder | https://www.zompist.com/native.htm | 1990 | Speech and writing | | | | A priori | Considerable Development | |
| View | Ćádtva̮ | Ćádtva̮ | | Edward Galaway | https://docs.google.com/document/d/14Gg6iaQvI93YIPkHNn9t87WubZlOYZtl-Xd1JZNIHKM/edit?usp=sharing | 2020 | Speech only | | | | A priori | Considerable Development | |
| View | Camellian (tentative) | Camellian (tentative) | | IML (Fafs Sashimi) | | 2019 | Speech and writing | | | | A priori | Some Development | |
| View | Cannic | Kánika | | Nikhil Sinha | https://nikhilsinha.xyz/a/cannic.html
, https://nikhilsinha.xyz/a/cannic_script.html
, https://nikhilsinha.xyz/a/cannic_countries.html | 2004 | Speech and writing | Cannic, Latin | | Personal | A posteriori | Considerable Development | |
| View | Carrajina | | | Adam Walker/A. Walker Scott | http://carrajina.conlang.org/ | 2002 | Speech and writing | Latin alphabet | Southern Romance | Alternate History | A posteriori | Considerable Development | * imported from CLCR — remove this label once data is known |
| View | Caryas | | | Billy J.B. | http://linguifex.com/wiki/Caryas | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Catralian | Cātralus | | Gabriel Wysong | https://www.frathwiki.com/Catralian | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Celíminé | Celíminé | | Logan R. Kearsley | | 0 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Celinese | | | A. Ayres | http://celinese.weebly.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Cerian | čérízon | | Lili21 (u/lilie21) | https://linguifex.com/wiki/Cerian | 2019 | Speech and writing | | | | A priori | Value Unknown | |
| View | Ceqli | TCEQLI | | Rex May | http://ceqli.pbworks.com/w/page/5455970/FrontPage | 1996 | Value Unknown | | | | A posteriori | Value Unknown | |
| View | Cəssın | | | Jan Strasser | http://akana.conlang.org/wiki/C%C9%99ss%C4%B1n | 2009 | Speech and writing | | | | Mixture | Value Unknown | A language from the Akana collaborative conworld |
| View | Changuyan | | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Chiifə | | | Chridd | https://chridd.nfshost.com/chiifa/ | 2017 | Value Unknown | | | | Value Unknown | Value Unknown | Created as a speedlang |
| View | Chlouvānem | chlǣvānumi dhāḍa | | Lili21 (u/lilie21) | https://linguifex.com/wiki/Chlouv%C4%81nem | 2016 | Speech and writing | | | | A priori | Considerable Development | |
| View | Chudihr | Chudihr | | Andrew Slattery | https://cbbforum.com/viewtopic.php?f=6&t=2314 | 2012 | Speech and writing | | | | A priori | Value Unknown | |
| View | Chunel | Čunel or Ečunel | | Emerald of Thayī | https://docs.google.com/spreadsheets/d/1KIWy-lP8rMhWa1byDAioyM9QtFU0j13PJrEi-U_MvGQ/edit | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Classical Napo | | | Xorol | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Classical Patrinaic | Hag Patrinak | | HolyFlapjacks | | 2019 | Speech and writing | | | | A priori | Considerable Development | |
| View | Classical Salvian | Salvyārah | | Josef Wolanczyk | | 2018 | Speech and writing | | | | A priori | Considerable Development | |
| View | Classical Yiklamu | | | Mark P. Line | http://www.polyglossix.org/Conlangs/Yiklamu/grammar.html | 0 | Speech and writing | | | Experimental | A priori | Considerable Development | |
| View | Classical Zispoel | Iboel | | 48lexR | https://sites.google.com/view/zispoel/home | 2019 | Value Unknown | | | | A priori | Considerable Development | |
| View | Coeñar Aerānir | | | Gaffney Flancer | https://linguifex.com/wiki/Aeranir | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Common | na Xafen | | Stephen DeGrace | https://webconlang.infiniterecursion.ca/language/common/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Common Honey | Sajem Tan | | Sajem Tan molm | https://sajemtan.miraheze.org/wiki/Main_Page | 2015 | Speech and writing | | | | A priori | Active Community | |
| View | Communicationssprache | | | Joseph Schipfer | https://en.wikipedia.org/wiki/Communicationssprache | 1836 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Commaçî | | | Pekka Liskön | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Coronan | Coronana | | Barnabas Allen | https://www.reddit.com/r/conlangs/comments/i4xbdy/coronan_a_tangled_conlang/ | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Cotaili | Kōtāyłłīešŋā | | u/SynthFan | | 2006 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Coyaron | Coyaron | | Wilhelm von Hindenburger | http://shorturl.at/nprAG | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Crihaan | di hasur gu crihaa | | benny m. | https://docs.google.com/spreadsheets/d/1TyGJmAR67axzu2R2NbHf5BpjpbsQA-2BJ_TMA5Jxgc8/edit?usp=sharing | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Cumbraek | | | Neil Whalley | http://www.cumbraek.co.uk/learn.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | CuSL | (Not writeable) | | Emerald of Thayī | | 2020 | Sign | | | | A priori | Considerable Development | |
| View | Cwengâr | | | Tadhg N. Sráide | http://linguifex.com/wiki/Cweng%C3%A2r | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Cybertronix | Saigultrhuníqsi | | Isáq Idaul | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | D'ni | D'ni | | Richard A Watson | http://dni.wikia.com/wiki/D%27ni_Wiki | 0 | Speech and writing | | | | A priori | Value Unknown | |
| View | Damin | | | the Lardil tribe | http://en.wikipedia.org/wiki/Damin | 0 | Speech and writing | | | | A priori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Damishen | | | Axel Krustofski | http://conworkshop.info/view_language.php?l=DMZ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Damiyaa | | | Aslan Richard | https://docs.google.com/document/d/1zqflYQyZrwnQURi9J5SfhJ2RrC5mGO0jJvTCwVvspCc/edit?usp=sharing | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Danterian | | | Elliott Wheeler | https://linguifex.com/wiki/D%C3%A3ter%C5%A1ke_language | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Deini | | | Dana Nutter | http://conlang.dana.nutter.net/index.php/Deini | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Delang | | qdl | Koppa Dasao | https://sunomi.no/w/index.php?title=Portal:Delang | 2009 | Speech and writing | Latin, native alphabet | | Conworld | Value Unknown | Some Development | |
| View | Delniit | | | Zarainia Frost | http://delniit.x10host.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Denden | Denden | | Boudewijn Rempt | https://www.valdyas.org/andal/languages/denden/grammar/index.html | 1999 | Speech and writing | | | Alternate History | A priori | Considerable Development | |
| View | Ðeprot Kyleðr Nenanðir | | | Dengs Krysei | http://cyll.uk/dheprot-kyledhr-nenandhir.pdf | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Dèso | Dèso | | Nerios | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Despotanmagi | Massenpreost Despotanfras | | Metalhead33 | https://ways-of-darkness.sonck.nl/Despotanmagi | 2018 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Dhakhsh | Dhakhsh | | Brian B. Bourque | https://twitter.com/hashtag/dhakhsh?f=live | 2017 | Speech and writing | | | | A priori | Considerable Development | |
| View | Dhannuá | | | Billy J.B. | http://linguifex.com/wiki/Dhannu%C3%A1 | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Dháwani | | | Theo Hoge | https://docs.google.com/spreadsheets/d/1HLmutaB7s8e3r7YXAbNG3VgM6Cp7Q_3xAMssBLh7TRw/edit | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Diabolica | | | Xorol | https://conworkshop.com/view_language.php?l=DBLCA | 2020 | Speech and writing | | | Experimental | A posteriori | Value Unknown | |
| View | Diarrza | Diarrza | | Vélonzio Nœudefée | https://aphil.1fr1.net/t4549-le-diarrza-ou-diaza-voire-diachza-presentation-et-grammaire?highlight=diarrza | 2019 | Speech and writing | | | Personal | A posteriori | Value Unknown | |
| View | Dilh Kalki | Dilh Kalki | | Davi Camargo Azunite#8440 | https://docs.google.com/spreadsheets/d/19JlLpG22u9VxngLR_wb2AXHzn-Sa6HeXeqJzBbIVmx8/edit?usp=sharing | 2019 | Speech and writing | | | | A priori | Considerable Development | |
| View | Doayâu | | | Jan Strasser | http://akana.conlang.org/wiki/Doay%C3%A2u | 2010 | Speech and writing | | | | Mixture | Considerable Development | A language from the Akana collaborative conworld |
| View | Dothraki | Dothraki | | David J. Peterson | http://dothraki.com/ | 2009 | Speech and writing | | | | A priori | Active Community | |
| View | Drakken | | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Dreseláe | Dreseláe | | Antonio Barolo | https://conworkshop.com/dictionary.php?L=DJL | 0 | Speech and writing | | | | A priori | Considerable Development | |
| View | Dritok | | | Donald Boozer | http://library.conlang.org/Drytok_TLoK1.pdf | 0 | Value Unknown | | | | A priori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Drsk | | | Isoraķatheð Zorethan | https://isoraqathedh.tumblr.com/tagged/Drsk | 2017 | Speech and writing | | | | A priori | Value Unknown | |
| View | Duban | Duban | | Andrew Slattery | https://www.overleaf.com/read/npsbynhqjbbz | 2017 | Speech and writing | | | | A priori | Considerable Development | |
| View | Duchese | Duci | | Barnabas Allen | https://docs.google.com/document/d/1rOglmEuwlVRI4V3ODitr-D6TATRbkaBx0jhsqyaDmpo/edit | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Duojjin | | | Clayton-Dean Lafontaine | http://duojjin.blog.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Dutton Speedwords | Dutton Motez | | Reginald J. G. Dutton | https://en.wikipedia.org/wiki/Dutton_Speedwords | 1922 | Speech and writing | | | Global Auxiliary | Value Unknown | Value Unknown | * imported from SIL — remove this label once data is known |
| View | Ebubo | | | Andrew Nowicki | https://web.archive.org/web/20130518213533/http://www.medianet.pl/~andrew/l/ebubo.htm | 1990 | Speech and writing | | | | A priori | Value Unknown | |
| View | Edievian | | | B. Ennis | http://conworkshop.info/view_language.php?l=EDV | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Edun, Classical | Edun | | Biblaridion | https://m.youtube.com/watch?v=y9K1gegu-vg&list=PL6xPxnYMQpqsqSZd1xMcf9J88lc4eifYG&index=4 | 2016 | Speech and writing | | | | A priori | Value Unknown | |
| View | Edun, Modern | Edų | | Biblaridion | https://m.youtube.com/watch?v=y9K1gegu-vg&list=PL6xPxnYMQpqsqSZd1xMcf9J88lc4eifYG&index=4 | 2016 | Speech and writing | | | Conworld | A priori | Considerable Development | |
| View | Élászyato meret | | | Billy J.B. | http://linguifex.com/wiki/Elasian | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Eldoysk | éldœ̂yskt mɔ́ɔṛ | | Ruben Drott (rubbedibubb) | | 2018 | Speech and writing | | | Alternate History | A posteriori | Considerable Development | |
| View | Elefen (Lingua Franca Nova, LFN) | elefen (lingua franca nova, lfn) | lfn | C. George Boeree | http://elefen.org/ | 1998 | Speech and writing | Latin | | Global Auxiliary | A posteriori | Active Community | |
| View | elko | elko | | Ziecken Azuris | http://bergheim.no-ip.biz/elkodico/index.php/Accueil | 2002 | Speech and writing | | | Experimental | A priori | Active Community | |
| View | Embriage | Émbriaž | | Gold | https://docs.google.com/spreadsheets/d/1-N5msTSfanzn7JNHI04mLoUL2cTTrB6m54n3FSyHPwQ/edit?usp=sharing | 2018 | Speech and writing | Latin | | Alternate History | A posteriori | Considerable Development | |
| View | Emenyol | Emenöl | | Abhishek Pokhrel | | 2020 | Speech and writing | | | Alternate History | Mixture | Some Development | |
| View | Encapsulated Language | Undecided | | Community driven, founded by Richard Delamote | https://kroyxlab.github.io/elp-documentation/faq/#what-kind-of-language-is-the-encapsulated-language-project-creating | 2020 | Speech and writing | | | Experimental | A priori | Considerable Development | |
| View | Enchanta | | | Suzette Doctolero | https://en.wikipedia.org/wiki/Enchanta | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Enochian | | | John Dee & Edward Kelley | http://en.wikipedia.org/wiki/Enochian | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Elandish | Ёlonds lingue | | Santolege (Сантол) | https://www.facebook.com/vaaktarie | 1998 | Speech and writing | | | Alternate History | Mixture | Considerable Development | |
| View | Enteska | Entesùka | | Roxy & | https://docs.google.com/document/d/1vUFGGVDSvoikcB0bvwZqQOUI7dUcgnE232kbpjEfQ1E/edit?usp=sharing | 2020 | Speech and writing | | | Personal | A priori | Considerable Development | |
| View | Erbaic | yrba-t | | Satori Migibito | | 2018 | Value Unknown | | | | A priori | Value Unknown | |
| View | Erglthoirèd | Erglthoirèd | | VahKiel |Kiel#0193| | | 2020 | Speech and writing | | | Alternate History | A priori | Sketch/Minimal | |
| View | Erotellian | Erotellinia | | Satori Migibito | | 2018 | Value Unknown | | | | A priori | Value Unknown | |
| View | Eskayan | | | Pinay | http://en.wikipedia.org/wiki/Eskayan_language | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Esperanto | Esperanto | | L.L. Zamenhof | https://uea.org/ | 1887 | Speech and writing | Modified Latin | | Global Auxiliary | A posteriori | Native Users | |
| View | Europanto | | | Diego Marani | https://en.wikipedia.org/wiki/Europanto | 1996 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Evvochian | Emina'tn | | Enoch Wiley | | 0 | Value Unknown | | | Personal and Conworld | Mixture | Considerable Development | |
| View | Eθukaχa | | | TauDudeBlobber | https://docs.google.com/spreadsheets/d/1EUlT-DcU0LRq3HAnumPP5fcZKTof4EtooiCzwdiQRGI/edit?usp=sharing | 2019 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Facilish | | | Jack Eisenmann | http://www.ostracodfiles.com/facilish/facilish.html | 0 | Speech and writing | | | Jokelang | A priori | Native Users | Possibly the simplest conlang in the database. |
| View | Fádgü meştẽ / Nlẽ máwan | Ancient-Mawic | | Aarnut | https://conworkshop.com/view_language.php?l=AWM | 2019 | Speech and writing | | | | A priori | Considerable Development | |
| View | Fæchan | Fæchan | | Austin Elizabeth Gaines (Glass Coppelia) | https://docs.google.com/document/d/12pK2cZj7jZm87slSbXe2JEsyNesW4k62toND2iNfacc/edit | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Fierran | Fiərən | | Cennamon (FKA Fier-Ce) | https://fierran.fandom.com/wiki/Language | 2020 | Speech and writing | | | Personal | Value Unknown | Considerable Development | Link subject to change |
| View | Falsol | Falsoltan | | Austin Elizabeth Gaines (Glass Coppelia) | https://docs.google.com/document/d/13p41htUFFfniftu2bSb15RfgpnMjcZXZwYqgJRgUvXU/edit | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Farksoo | | | Barbara Newhall Follett | https://farksolia.org/a-few-notes-on-farksoo-and-a-farksoo-english-lexicon/ | 0 | Speech and writing | | | | A priori | Value Unknown | |
| View | Farwo n-Abebbu | | | Jan Strasser | http://akana.conlang.org/wiki/Farwo_n-Abebbu | 2010 | Speech and writing | | | | Mixture | Considerable Development | A language from the Akana collaborative conworld |
| View | Faudanian | Fjawdernijs | | Josh Hien (joconlang) | | 2009 | Speech and writing | | | Personal | A posteriori | Considerable Development | |
| View | Faulian | | | Thomas R.C. de Roo | http://unae.wikia.com/wiki/Faulian_language | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Faunese | Oki-o Rana | | Mio Wilund | https://sites.google.com/view/conlang-faunese/ | 2017 | Speech and writing | | | | A priori | Value Unknown | |
| View | Feayran | | | David Edwards | http://feayran.webs.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Feilaz | Feilaz | | A.C. Byrom (JesterGlee) | https://docs.google.com/document/d/1Sorx8k-bfkX9Zm4DNwO0Q2985ekCdB9gv6-yQwbFnL0/edit | 2019 | Speech and writing | | | | A priori | Considerable Development | |
| View | Fén Ghír | | | Tadhg N. Sráide | http://linguifex.com/wiki/F%C3%A9n_Gh%C3%ADr | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Feorran | | | Brad Coon | http://www.lingweenie.net/feorran/feorran.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Fidan | Dà Lenwìj à Fidan | | | | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Finian | | | Billy J.B. | http://linguifex.com/wiki/Finian | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Fith | | | Jeffrey Henning | https://www.frathwiki.com/Fith | 0 | Value Unknown | | | Xenolang/Alien | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Flaidish | Flaidyx | | Mark Rosenfelder | https://www.zompist.com/flaidish.htm | 0 | Speech and writing | | | | A priori | Considerable Development | |
| View | Flocker | Flocker | | Omer Frank | https://docs.google.com/spreadsheets/d/1UMDVKDqbuomOq0Zi7UR_5PeboZzc1OfYYyMxRCSoKtk/edit#gid=249605602 | 2019 | Speech and writing | | | | A priori | Considerable Development | |
| View | Florenze | | | Andrew Pereira Justiniano | http://conworkshop.info/view_language.php?l=FLZ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Folksprak | | | the Folkspraak community | http://linguifex.com/wiki/F%C3%A9n_Gh%C3%ADr | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Formosan | | | George Psalmanazar | https://en.wikipedia.org/wiki/George_Psalmanazar | 0 | Speech and writing | | | | A priori | Considerable Development | * imported from CLCR — remove this label once data is known |
| View | fotopi | | | TauDudeBlobber | https://www.reddit.com/r/minlangs/comments/k46p0c/fotopi/?utm_source=share&utm_medium=web2x&context=3 ( image only: https://1drv.ms/u/s!AmRBnHE4RBUdz0CjWKC7JFBMvxyn?e=FhOcXg ) | 2019 | Speech and writing | | | Experimental | A priori | Value Unknown | |
| View | Frithey | Friðejaskir | | Jökull | http://conworkshop.info/view_language.php?l=FSK | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Futurese | | | Justin B Rye | http://jbr.me.uk/futurese.html | 2003 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | G'Vunna Language | | | David J. Peterson | https://dedalvs.tumblr.com/post/180041757389/introduction-to-the-gvunna-language-part-i and https://dedalvs.tumblr.com/post/180046043521/introduction-to-the-gvunna-language-part-ii | 2017 | Speech and writing | | | | A priori | Value Unknown | |
| View | Gamagatian | Gamagata | | VahKiel |Kiel#0193| | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Gandal Language | | | David J. Peterson | https://dedalvs.tumblr.com/post/179839993489/introduction-to-the-gandal-language and https://dedalvs.tumblr.com/post/179867027423/introduction-to-the-gandal-language-part-ii | 2017 | Speech and writing | | | | A priori | Value Unknown | |
| View | Gargoyle (Gargish) | Gargl | | Herman Miller | https://docs.google.com/document/d/1zXAFER_VJMgVLGwld7KkvQBVn-r3YKxA34cj4eHc4d8/edit#heading=h.ljgaj3plxsvt | 1990 | Value Unknown | Gargish Script/Latin Alphabet | Romance/Latin | Other | A posteriori | Considerable Development | Based on Latin. |
| View | Gezoro | | | Jan Strasser | http://akana.conlang.org/wiki/Gezoro | 2015 | Speech and writing | | | | Mixture | Value Unknown | A language from the Akana collaborative conworld |
| View | Giskain Kēl | | | Rowan Jacobs | https://conworkshop.com/view_language.php?l=KGO | 2016 | Speech and writing | | | Alternate History | A posteriori | Considerable Development | |
| View | Gjâ-Zym-Byn | | | Jim Henry | http://jimhenry.conlang.org/gzb/gzb.htm | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Globasa | Globasa | | Hector Ortega | https://www.globasa.net/ | 2019 | Speech and writing | | | Global Auxiliary | A posteriori | Value Unknown | |
| View | Glosa | | | Ron Clark & Wendy Ashby | http://en.wikipedia.org/wiki/Glosa | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Godelician | | | Frederic Bayer | http://linguifex.com/wiki/Godelician | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Gokim | Gókim | | Nikhil Sinha | https://nikhilsinha.xyz/a/
and https://nikhilsinha.xyz/a/anglesap.html | 2003 | Speech and writing | Anglesap, Latin | | Personal | A priori | Considerable Development | |
| View | Golden Coast Dwarvish | (Undecided) | | jan Kan | https://docs.google.com/document/d/15HVrsCiQCOQWlJkkagqc-oUczvp6RJfAU4_NzmfbcNg | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Gomain | Anr̂üšin | | Zachary Hart | http://anhrush.conlang.org/gomain/index.htm | 2002 | Speech and writing | | | | A priori | Considerable Development | |
| View | Gondolan | Gândölansch | | Colleen Fox | https://docs.google.com/document/d/106t5rA7CPTTzzuP31gsudcEcX0BpMLJC2N8tUwiy71g/edit?usp=sharing | 2020 | Speech and writing | | | Alternate History | A priori | Considerable Development | |
| View | Gravgaln | Gravgaln
,
, and Graavgaaln (obsolete) | | Adam Walker/A. Walker Scott | http://www.reocities.com/Athens/4745/graav.html | 1993 | Speech and writing | native script | | Xenolang/Alien | A priori | Some Development | * imported from CLCR — remove this label once data is known |
| View | graphieros | graphieros | | Alec Lloyd Probert | https://graphieros.com | 0 | Value Unknown | | | | A posteriori | Considerable Development | |
| View | Gripping Language | | | Alex Fink & Sai | http://000024.org/conlang/gripping.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | griuskant | /'griuskant/ | | Reyzadren (user) | http://www.frathwiki.com/Griuskant | 1999 | Speech and writing | griuskant | | Conworld | Value Unknown | Well-developed | |
| View | Gua/spi | | | James F. Carter | http://www.jfcarter.net/~jimc/guaspi/ | 1991 | Value Unknown | | | Logical | Value Unknown | Value Unknown | |
| View | Guosa | | | Alex Igbineweka | http://www.dawodu.net/guosa1.htm | 1965 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Halsh | Halsh | | Noah W. | | 2017 | Speech and writing | Halsh alphabet | Evoan
and Halsh | Conworld | Mixture | Considerable Development | |
| View | Hani | | | Spence Hill | http://strengthofthehills.tripod.com/hanilanguageandculturepage/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Harākti | | | Andrej Schütz | http://linguifex.com/wiki/Har%C4%81kti | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Arini
, English: Harining
, Spanish: Harinino
, Russian: Ари́ни
, France: Harine
, Greek: Αρινι
, and Latine: Arini | Arini | | Adonái Castro. | Wattpad (library): https://www.wattpad.com/user/harining_genesis
and Discord: https://discord.gg/mjZUdmHM | 2019 | Speech and writing | Latin | Auxlang; auxiliar lenguages; latin | Global Auxiliary | A posteriori | Considerable Development | Although the development of its bases has been completed, it's open to constructive or destructive criticism in order to improve. |
| View | Heartcats | 1❤?2 ? 123❤ | | batterykiller5 | https://docs.google.com/spreadsheets/d/1VeUj90kKKRcnk2IHz_sXYRwvOS_HAN-NRAbHBPuTstQ/edit?usp=sharing | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Hellang | myḁeqxokiexëkḁ | | kabiman | https://docs.google.com/document/d/1AnFKWAVNn87avBdPvORZ-nqBiqLOQE0O0RRBLD_nsf8/edit?usp=sharing | 2020 | Speech and writing | | | | A priori | Active Community | |
| View | Helsen | | | Harry Hult | http://conworkshop.info/view_language.php?l=SHL | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Hemes | | | Chridd | https://chridd.nfshost.com/hemes/ | 2018 | Value Unknown | | | | Value Unknown | Value Unknown | Created as a speedlang |
| View | Hercuan | Mevo Herco | | Josef Wolanczyk | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Hetukuusika | Hetukuusika | | IML (Halka Sato & Sirnoka) | https://tanukipedia.miraheze.org/wiki/%E3%83%98%E3%83%84%E3%82%AF%E3%83%BC%E3%82%B9%E8%AA%9E | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | High Dutch | | | Kasidit Srichompoo | https://conworkshop.com/view_language.php?l=HID | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | High Valyrian | Valyrio | qhv | David J. Peterson
and George R. R. Martin | https://wiki.dothraki.org/Learning_High_Valyrian
, https://wiki.languageinvention.com/index.php?title=High_Valyrian_language
, https://linguifex.com/wiki/Category:High_Valyrian | 2013 | Speech and writing | Latin | | Conworld and Other | A priori | Considerable Development | Featured in HBO's world-famous Game of Thrones. |
| View | Hiktan | Hiktan-pa^ | | IML (Sirnoka) | https://tanukipedia.miraheze.org/wiki/%E3%83%92%E3%83%83%E3%82%BF%E3%83%B3%E8%AA%9E | 2012 | Speech and writing | | | | A priori | Considerable Development | * Formally this language is under construction, but practically it has been stopped since 2015 |
| View | Hkətl’ohnim | | | Jan Strasser | http://akana.conlang.org/wiki/Hk%C9%99tl%E2%80%99ohnim | 2012 | Speech and writing | | | | Mixture | Considerable Development | A language from the Akana collaborative conworld |
| View | Hlung | Łụŋmạñ | | Rowan Jacobs | https://conworkshop.com/view_language.php?l=HLG | 2017 | Speech and writing | | | | A priori | Considerable Development | A language from the Sahar collaborative conworld |
| View | horrable conlang real | lj!lajtlkjdlkschrecklichlj!lajtlkjdlk lj!lajtlkjdlkconlanglj!lajtlkjdlk lj!lajtlkjdlkechtlj!lajtlkjdlk uititit!o+ asdsaasdsd! | | TauDudeBlobber | https://docs.google.com/spreadsheets/d/1iIQNtgUen71tH7rK4CyNUnVJIxHaiXvAvbyaqIVCuuM/edit#gid=514721154 | 2020 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Hrasic | | | Waahlis | http://linguifex.com/wiki/Hrasic | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | I Kronurum | | | Nicolas Straccia | http://linguifex.com/wiki/I_Kronurum | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Iaskyon | | | Kenneth Ngan | http://linguifex.com/wiki/Iaskyon | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Iazychie | | | Ukrainian Russophiles | https://en.wikipedia.org/wiki/Iazychie | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Idaltu | idaltu | | Lars Finsen | | 2013 | Speech and writing | | | Experimental | A posteriori | Value Unknown | |
| View | Idiom Neutral | | | Waldemar Rosenberger | http://en.wikipedia.org/wiki/Idiom_Neutral | 1902 | Speech and writing | | | Global Auxiliary | A posteriori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Ido | | | Delegation for the Adoption of an International Auxiliary Language | https://en.wikipedia.org/wiki/Ido | 1907 | Speech and writing | | | Global Auxiliary | A posteriori | Value Unknown | |
| View | Idrani | | | Trent Pehrson | http://idrani.perastar.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Ie | | | Silvercat | https://silvercat.neocities.org/index.html | 2014 | Value Unknown | | | | A posteriori | Considerable Development | |
| View | If-Thrikk | If-Thrikk | | Austin Elizabeth Gaines (Glass Coppelia) | https://docs.google.com/document/d/14Wu3BqSBPm0CUgZOHTldWuIxW1QIE2381R7RQHV2obo/edit | 2017 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Ilaini | | | Irina Rempt | https://www.valdyas.org/irina/valdyas/ilaini/index.html | 0 | Speech and writing | | | Alternate History | A priori | Considerable Development | |
| View | Ilianore | | | Jeff Smith | http://www.mediom.qc.ca/~extrudex/lang.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | iljena | iljena | | Pete Bleackley | https://www.frathwiki.com/Iljena: | 2006 | Speech and writing | | | Experimental | A priori | Considerable Development | |
| View | Ilothwii | Ilothwii | | Biblaridion | https://m.youtube.com/watch?v=VpXsrBd2xn8&list=PL6xPxnYMQpqsqSZd1xMcf9J88lc4eifYG&index=5 | 2016 | Speech and writing | | | Conworld | A priori | Considerable Development | |
| View | Imölja | Imöljaš lensi | | Jan Novotný | | 2020 | Speech and writing | | | Experimental | Mixture | Value Unknown | |
| View | Indika | Indika | | Nikhil Sinha | https://nikhilsinha.xyz/a/
, https://nikhilsinha.xyz/a/indika_script.html
, https://nikhilsinha.xyz/a/indika_countries.html | 2003 | Speech and writing | Indika, Devanagari, Latin | | Personal | A posteriori | Considerable Development | |
| View | Interglossa | | | Lancelot Hogben | https://en.wikipedia.org/wiki/Interglossa | 1943 | Speech and writing | | | Global Auxiliary | A posteriori | Value Unknown | * imported from SIL — remove this label once data is known |
| View | Interiberic | Interibérico | | Bryan Lovell | | 2019 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Interlingua | Interlingua | | International Auxiliary Language Association | https://www.interlingua.com/ | 1951 | Speech and writing | | | Global Auxiliary | A posteriori | Active Community | |
| View | Interlingue (Occidental) | Interlingue (Occidental) | | Edgar de Wahl | https://ie-munde.com , http://occidental-lang.com/ | 1922 | Speech and writing | | | Global Auxiliary | A posteriori | Active Community | |
| View | Interslavic | | | Juraj Križanić | http://en.wikipedia.org/wiki/Interslavic_language | 0 | Speech and writing | | | Global Auxiliary | A posteriori | Active Community | * imported from CLCR — remove this label once data is known |
| View | IntraSolarSL | SIGN(inflect-low) HUMAN | | jan Olipija (aka Water) | | 2020 | Sign | | | | Mixture | Considerable Development | |
| View | IoVeb | | | Cassondra Foesch | https://groups.google.com/forum/#!searchin/alt.language.artificial/IoVeb%7Csort:relevance | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Iqglic | Iqglic | | Jack Eisenmann | http://www.ostracodfiles.com/iqglic/iqglic.html | 0 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Irthironian | Eaber Am Irthiron | | Josef Wolanczyk | | 2019 | Speech and writing | | | | A priori | Considerable Development | |
| View | Is | the Is language | | Stuart Davis | https://www.stuartdavis.com/blog/creating-language | 0 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | Isporvâna | | | Lim H. Rana | | 2019 | Speech and writing | | | | A priori | Considerable Development | |
| View | Isyan | | | Jonathan Stockman | http://conworkshop.info/view_language.php?l=MIS | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Ithkuil | Iţkuîl | | John Quijada | http://ithkuil.net/ | 1978 | Speech and writing | | | Experimental | A priori | Active Community | |
| View | Itlani | Itlani | | James E. Hopkins | http://itlani.conlang.org/itlani/ | 1995 | Speech and writing | | | | A priori | Considerable Development | |
| View | Itlu | Itlu | | Ewa U | http://bitsfair.spiderforest.com/misc/itlu.html | 0 | Speech and writing | | | | A priori | Value Unknown | |
| View | itota itiko | | | littlesalmon | | 2018 | Speech and writing | | | Personal | A priori | Considerable Development | |
| View | Jáhkarrá | | | David Müller | https://conworkshop.com/view_language.php?l=jhk | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Jarda | | | Herman Miller | https://www.prismnet.com/~hmiller/lang/Jarda/index.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Jeïos | | | Marvin Johanning | http://jeiios.de/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Jesusovian | Jêzusoweskï | | Tomasz Zdzienicki | https://docs.google.com/document/d/1N0W2WbijF1-WQrDht0kZlYJyc_Kjcwv-rrJMQnrYB2k/edit?usp=sharing | 2020 | Speech and writing | Latin Alphabet | | Conworld and Alternate History | A posteriori | Considerable Development | |
| View | Joj kot | ёы кот | | Furcht968 | https://w.atwiki.jp/furcht968/pages/14.html | 2020 | Value Unknown | | | | Mixture | Considerable Development | |
| View | Jølgoleg | | | Oliver Williams | http://conworkshop.info/view_language.php?l=JGG | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Juhash | | | Evan May | http://conworkshop.info/view_language.php?l=JUH | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Jumana Tana | Jumana Tana | | Arsenic Soup | https://rb.gy/4r4mxn | 2019 | Speech and writing | | | Global Auxiliary | Mixture | Considerable Development | |
| View | Jutean | tahivanet
, tahivi a net
, and net | QJT | Juhan Telschow | http://conworkshop.info/view_language.php?l=JUT | 2015 | Speech and writing | Own script | Saru-Asuran (language family in the world of Sahar) | Story-based and Conworld | A priori | Well-developed | A language with Hawaiian-reminiscent phonology and typology with a sentence structure inspired by Tagalog and some ergative-absolutive languages, and 5,600+ handcrafted, edited dictionary entries with etymology information on most of them |
| View | Ka'k'īsī | Ka-kʼīsī | | Edward Galaway | https://docs.google.com/document/d/1_JmZmpfthjJ4NZDl2C3C0kKGPcG-FN0emSfPU5cTwKI/edit?usp=sharing | 2019 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Kaimen Kēling | | | Rowan Jacobs | https://conworkshop.com/view_language.php?l=KKL | 2015 | Speech and writing | | | Alternate History | A posteriori | Considerable Development | |
| View | Kalaba-X | | | Kenneth L. Pike | http://en.wikipedia.org/wiki/Kalaba-X | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Kalusa | | | Gary Shannon | http://web.archive.org/web/20060714235222/http://kalusa.fiziwig.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Kamakawi | | | David J. Peterson | https://dedalvs.com/kamakawi/main.html | 2001 | Speech and writing | | | Personal | A priori | Learners | |
| View | Kamtapya | TBD | | Joseph Openshaw | https://docs.google.com/document/d/1-4uMDSIIMIsLnmxfbBNFJMKTdmNi0NFxmnd9g3CSXK8/edit | 2020 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Kandriian | Akandtha | | Hope C. Dixon | https://conlang.fandom.com/wiki/Akandtha_(Kandriian) | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Kankonian | Kankonik | | James Landau | http://khemehekis.angelfire.com/basic.htm | 1996 | Speech and writing | | | | A priori | Considerable Development | |
| View | Kanzarian | Tamvarkanzarx | | u/zsobrazson | https://kanzarian.blogspot.com/2020/09/kanzarian-introduction-and-ancient.html | 2016 | Speech and writing | | | | A priori | Considerable Development | |
| View | Kardak | | | Mike Bacon | https://www.facebook.com/groups/KardakSetheerien/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Karnišna | | | Andrej Schütz | http://linguifex.com/wiki/Karni%C5%A1na | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Kash | | | Roger Mills | http://cinduworld.tripod.com/contents.htm | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Kaspappe | Kaspappe | | u/yayaha1234 | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Katsinian | Kaatsi | | Olga Soika (китиха#9361) | https://conworkshop.com/view_language.php?l=TQS | 2017 | Speech and writing | | | | A priori | Value Unknown | |
| View | Katsuvian | | | Kärvjal Tämöö | https://conworkshop.com/view_language.php?l=AUV | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Katya'u | Pakaghi | | Budkalon | https://www.youtube.com/watch?v=NBzTLZgomtg | 2019 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Kauzasian | | | D. Alfaro | http://conworkshop.info/view_language.php?l=KZP | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | kay(f)bop(t) | kay(f)dan(f)san(t)ap(t)vlir(t)sang(b)es(p)u(t)vom(b)ngag(t)vlim(p)kay(f)sna(f)kay(f)ga(f) bop(t)veg(p)daf(f)shof(b)*om(p)vlim(p)ga(f)vlim(p)ga(f) | | Daniel Swanson | https://crazyninjageeks.wordpress.com/category/kayfbopt/
and Video tutorial: https://www.youtube.com/watch?v=xDfGrTwRlmQ&list=PL1EBO0NcsJQjqDFEdJTeDWsgZ6BU63-8d | 2015 | Speech and writing | | | Jokelang and Experimental | A priori | Considerable Development | Based on "Bad Conlang Ideas", trying to incorporate as many impractical features as possible. Probably the only language in the database that has phonemic hats. |
| View | Kedosehma | Kedosehma | | Kate the Pan Plate | | 2020 | Speech and writing | | | Conworld | A priori | Considerable Development | |
| View | Kēlen | Kēlen | | Sylvia Sotomayor | http://www.terjemar.net/kelen/kelen.php | 1980 | Speech and writing | | | Conworld and Experimental | A priori | Considerable Development | An experiment in verblessness. |
| View | Keru | | | Jack Eisenmann | http://www.ostracodfiles.com/keru/main.html | 0 | Speech and writing | | | | A priori | Value Unknown | |
| View | Kesh | Kesh | | Ursula K. Le Guin | | 1985 | Speech and writing | | | | A priori | Considerable Development | |
| View | Ketchup | κ儾ɘʜup | | Suq (u/Mr_Dr_IPA) | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Khangaþyagon | Khangaþyagon | | Pete Bleackley | https://www.frathwiki.com/Khanga%C3%BEyagon | 2003 | Speech and writing | | | | A priori | Considerable Development | |
| View | Kharulian | Iskulyípat | | Graham Hill | https://www.meamoria.com/meamoria/html/kharul/language/index.html | 2019 | Speech and writing | | | Conworld | A priori | Some Development | |
| View | Khīsadamiurī | | | Cedric J.N. Ludlow | http://khisadamiuri.tumblr.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Khlìjha | | | James William McCleary | http://pueymccleary.deviantart.com/journal/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Khuzdul | | | J.R.R. Tolkien | https://en.wikipedia.org/wiki/Khuzdul
and https://en.wikipedia.org/wiki/Cirth | 0 | Speech and writing | Cirth | | Story-based, Conworld, Geofictional, Zonal Auxiliary, and Secret | Mixture | Some Development | Data Not Completed But Not Able To Be Removed |
| View | Kiel | | | Daniel Adler | http://conworkshop.info/view_language.php?l=DMA | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Kilta | Kílta | | William Annis | https://lingweenie.org/conlang/kilta.pdf | 2017 | Speech and writing | | | Personal | A priori | Learners | |
| View | Kiplevøg’ | kiplɘvøʛ | | Naðanyul Gaberdo | https://docs.google.com/document/d/1adkLcfLOSO0mf72jk5eR8dei1Uhrws9PVP0MWyV4Dck/edit?usp=sharing | 2020 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Kisimbi | | | Josef Wolanczyk | | 2016 | Speech and writing | | | | Value Unknown | Considerable Development | |
| View | Kiwi | | | Waahlis | http://linguifex.com/wiki/Kiwi | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Klingon | tlhIngan Hol | | Marc Okrand | https://www.kli.org/ | 1979 | Speech and writing | Klingonese | | Conworld, Future, and Xenolang/Alien | A priori | Fluent Users | |
| View | Knašta | | | Ian Duncan | http://corstekistan.usr.sh/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Kobaïan | | | Christian Vander | https://en.wikipedia.org/wiki/Koba%C3%AFan | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Kolyma Ainu | | | Rowan Jacobs | https://conworkshop.com/view_language.php?l=AIX | 2016 | Speech and writing | | | Alternate History | A posteriori | Value Unknown | |
| View | Kõraakii | | | Marvin Johanning | http://koeraakii.tk/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Koritira | Koritira | | Tark (Discord: Tark#5637) | https://docs.google.com/spreadsheets/d/1MJleyN_rWlMI3m7HCMgVJ_JkjrYUrYYqQH-hDBmFfjg/edit?usp=drivesdk | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Kotava | Kotava | avk | Staren Fetcey | http://www.kotava.org/index.php | 1978 | Speech and writing | latin | | Global Auxiliary | A priori | Active Community | |
| View | Kotazpu | Kotazpuboti | | Barnabas Allen | https://docs.google.com/document/d/1bzyjPZ-14qi43A-MEzcagjtgipotmBDWA-0PLlWIQw8/edit | 2013 | Speech and writing | | | Global Auxiliary | A priori | Considerable Development | |
| View | Krig | | | Jeff Sheets | http://krig-conlang.blogspot.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Kti | | | J. Drucker | http://conlang.wikia.com/wiki/Kti | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Kujy | Kujy | | Nerios | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Kuyʔūn | | | Jan Strasser | http://akana.conlang.org/wiki/Kuy%CA%94%C5%ABn | 2009 | Speech and writing | | | | Mixture | Value Unknown | A language from the Akana collaborative conworld |
| View | Kwehnu | Kigwéhnu | | Josef Wolanczyk | | 2015 | Speech and writing | | | | A priori | Considerable Development | |
| View | la at tea | | | littlesalmon | https://littlesalmon.art.blog/category/la-at-tea/ | 0 | Speech and writing | | | Personal | A priori | Value Unknown | |
| View | Láadan | Láadan | | Suzette Haden Elgin | https://laadanlanguage.com/ | 1982 | Speech and writing | | | Experimental | A priori | Learners | |
| View | Labarion | labarion | | Antonio Toledo Leal | | 1995 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Laefêvëši | | | Andrej Schütz | http://www.frathwiki.com/Laef%C3%AAv%C3%AB%C5%A1i | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Làih | Làih | | Nerios | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Laiqbun | Leiqbun | | Roxy & | https://docs.google.com/document/d/1HSl0vYzPTUlg8IK9gtcyGM87He7zxfSOJSl-cPN5a0g/edit?usp=drivesdk | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Langue Nouvelle | | | Joachim Faiguet de Villeneuve | http://en.wikipedia.org/wiki/Langue_nouvelle | 1765 | Speech and writing | | | Global Auxiliary | A priori | Value Unknown | |
| View | Latino sine Flexione | | | Giuseppe Peano | http://en.wikipedia.org/wiki/Latino_sine_Flexione | 0 | Value Unknown | | | | A posteriori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Lefaneie | Lefaneie | | Hope C. Dixon | https://conlang.fandom.com/wiki/Lefaneie | 2019 | Speech and writing | | | | A priori | Considerable Development | |
| View | Lepadi | | | Silvercat | https://silvercat.neocities.org/index.html | 2002 | Value Unknown | | | | A posteriori | Considerable Development | |
| View | Lerudųrunį | | | Jan Strasser | | 2019 | Speech and writing | | | | Mixture | Value Unknown | A language from the Akana collaborative conworld |
| View | Lhenazi | | | Arthaey Angosii | http://www.arthaey.com/conlang/lhenazi/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Lilith's Conlang | | | J.R. Salamanca | http://www.frathwiki.com/Lilith%27s_Conlang | 1961 | Speech and writing | | | | A priori | Value Unknown | |
| View | Lincos | | | Hans Freudenthal | https://en.wikipedia.org/wiki/Lincos_(artificial_language) | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Lineparine | | | Fafs Falira Sashimi | https://sites.google.com/site/3tvalineparine/home | 2013 | Speech and writing | | | | A priori | Active Community | |
| View | Lingua Ignota | | | Hildegard of Bingen | https://en.wikipedia.org/wiki/Lingua_Ignota | 0 | Speech and writing | | | | A priori | Value Unknown | |
| View | Lingwa de Planeta | | | Dmitri Ivanov | http://www.lingwadeplaneta.info/en/index.shtml | 2006 | Speech and writing | | | Global Auxiliary | A priori | Value Unknown | |
| View | Li̬o̬a 'e Gweû | | | Chridd | https://chridd.nfshost.com/lgweu/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Livagian | Livagian | | And Rosta | http://www.frathwiki.com/Livagian | 2000 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Lluddish | | | Hope C. Dixon | https://conlang.fandom.com/wiki/Lluddish | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Loglan | | | James Cooke Brown | http://en.wikipedia.org/wiki/Loglan | 1955 | Speech and writing | | | Logical | A priori | Value Unknown | |
| View | Lojban | Lojban | | Logical Language Group | https://mw.lojban.org/papri/Lojban | 1987 | Speech and writing | | | Logical | A posteriori | Active Community | |
| View | Lonish | | | Pim Boonen | http://conworkshop.info/view_language.php?l=LNS | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Lortho | | | Brian B. Bourque | https://lortho.conlang.org/ | 2003 | Speech and writing | | | Personal | A priori | Considerable Development | |
| View | Lotoka | | | Jan Strasser | http://akana.conlang.org/wiki/Lotoka | 2008 | Speech and writing | | | | Mixture | Value Unknown | A language from the Akana collaborative conworld |
| View | Lrahran | Lrahran | | Adam Walker/A. Walker Scott | http://www.reocities.com/Athens/4745/clouds.html | 1993 | Speech and writing | native script | | Xenolang/Alien | A priori | Some Development | * imported from CLCR — remove this label once data is known |
| View | Luferen | Luferen | | | | 2020 | Speech and writing | | | | Mixture | Fluent Users | |
| View | Lupikku | | | Oshojo | http://oshojo.xyz/index.php?id=lupikku | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Lwaitel | | | Chridd | https://chridd.nfshost.com/lwaitel/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Maanxmuʃt | | | Silvercat | https://silvercat.neocities.org/index.html | 2020 | Value Unknown | | | | A posteriori | Considerable Development | |
| View | Mablic | | | L. Genzel | https://conworkshop.com/view_language.php?l=MBI | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Manavian | | | Mio Wilund | https://sites.google.com/view/conlang-manavian | 2018 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Mañi | | | Rowan Jacobs | https://conworkshop.com/view_language.php?l=MNY | 2017 | Speech and writing | | | | A priori | Considerable Development | A language from the Sahar collaborative conworld |
| View | Mapa masulu | mapamasulu (or "ma pa ma su lu") | | Marken Angel | https://docs.google.com/spreadsheets/d/1ov67weFGgXnp10cRbTRsRTl8LNTZr8XCcmjLKfVg4a0/edit?usp=sharing | 2020 | Speech and writing | | | | A priori | Considerable Development | a language with only 30 words |
| View | Maugri | mawgri/mawgrio (mau̯gʁi) | MGR | mostly N. Grimm (In Space#7200) and SuvwI''a'#2183, thought to be driven by the community | https://grimmspace.de/maugri/
, https://discord.gg/BqsApyw
, https://conworkshop.com/view_language.php?l=MGR | 2018 | Speech and writing | | | Logical | Mixture | Well-developed | experienced its peak attention in 2020, the author is working on other conlanging projects now; conlang can be described as a loglang based on Esperanto and Klingon but is mostly independent of other conlangs |
| View | Mbamigi | | | Izaak | http://conworkshop.info/view_language.php?l=MBA | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Medefaidrin | | | Michael Ukpong & Akpan Akpan Udofia | https://en.wikipedia.org/wiki/Medefaidrin | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Medial Europan | | | Joseph & Betti Weisbart | http://www.frathwiki.com/Medial_Europan | 1920 | Value Unknown | | | | A posteriori | Value Unknown | |
| View | Melhestan | Melhestae | | Hope C. Dixon | https://conlang.fandom.com/wiki/Mellestan | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Mersenian | Márjartulde | | Rafael Andrade | | 1994 | Speech and writing | | | | A priori | Considerable Development | |
| View | Middle Napo | | | Xorol | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Middle Thumaniyyan | - | | Theo Hoge | https://docs.google.com/spreadsheets/d/1BjKljCvCmS2FwIAJGT3GXQG_epoXccZM0WOgOGIv4Zs/edit | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Mikiana | Mik̃ana | | Rebecca Bettencourt | http://www.kreativekorp.com/mikiana/ | 1999 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Minhast | Minhastim Kirim | | Chris Borillo | https://linguifex.com/wiki/Minhast | 2005 | Speech and writing | | | Alternate History | A priori | Considerable Development | |
| View | Mino'a | | | Guillaume Boucher | https://drive.google.com/file/d/1fAJjXeDUbkz7Qp1Vr0dNnnPHvmRZbDuk/view?usp=sharing | 2020 | Speech and writing | | | Alternate History | Mixture | Considerable Development | |
| View | Misa | Misa Okan | | Gold | https://docs.google.com/spreadsheets/d/1Z_wP-RrT8JJyJHOmK7hjXfS061UVMGnQP8oXwzPUMXQ/edit?usp=sharing | 2020 | Speech and writing | Latin and In-world Logography | | Conworld and Experimental | A priori | Considerable Development | |
| View | Modern Gaulish | Galáthach hAthevíu | | Steve Hansen | https://moderngaulish.org | 0 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Mondial | | | Dr. Helge Heimer | https://en.wikipedia.org/wiki/Mondial_language | 1940 | Speech and writing | | | Global Auxiliary | A posteriori | Value Unknown | |
| View | moRel | moRel | | WhenImMuffin | https://docs.google.com/document/d/1RZQUe2_XJzsWIzPo3Outqb1xJmhOC4ruQbOfa-uGDXU/edit?usp=sharing | 2019 | Speech and writing | | | Logical | A priori | Considerable Development | |
| View | Morujaq | Mörüchkö | | "Ferno Dude" | https://tinyurl.com/Morujaq | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Moten | | | Christophe Grandsire-Koevoets | http://christophoronomicon.blogspot.com/p/moten-language.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Muipidan | Niyta Muytïdo | | Graham Hill | https://www.meamoria.com/meamoria/html/muipido/language/index.html | 2019 | Speech and writing | | Three Rivers Languages | Conworld | A priori | Some Development | |
| View | Muna | | | Miguel Bartelsman | http://linguifex.com/wiki/Muna | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Mundolinco | | | J. Braakman | http://en.wikipedia.org/wiki/Mundolinco | 1888 | Speech and writing | | | Global Auxiliary | Mixture | Value Unknown | |
| View | MyLanguage | | | Chridd | https://chridd.nfshost.com/mylang/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | N'leiina | N'leiina | | Edward Galaway | https://docs.google.com/document/d/1_bQHL-Q6zO0r0WqFlSsew6_GOvSrjrHBTdFn8ggm5y0/edit?usp=sharing | 2019 | Speech only | | | | A priori | Considerable Development | |
| View | Nadsat | | | Anthony Burgess | http://en.wikipedia.org/wiki/Nadsat | 1962 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Naffarin | | | J.R.R. Tolkien | https://folk.uib.no/hnohf/naffarin.htm | 1910 | Speech and writing | | | Personal | A posteriori | Value Unknown | |
| View | Nal Bino | | | Sébastian Verheggen | http://en.wikipedia.org/wiki/Nal_Bino | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Nao | len'nao | | | https://naolang.github.io | 2013 | Speech and writing | | | Experimental | Mixture | Fluent Users | |
| View | Napo | | | Xorol | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Ndok Aisô | | | Jan Strasser | http://akana.conlang.org/wiki/Ndok_Ais%C3%B4 | 2008 | Speech and writing | | | | Mixture | Value Unknown | A language from the Akana collaborative conworld |
| View | Ndxiixun | Ñdxi²xų́¹ | | Rowan Jacobs | https://conworkshop.com/view_language.php?l=NDX | 2017 | Speech and writing | | | | A priori | Considerable Development | A language from the Sahar collaborative conworld |
| View | Nėfěrꬸ | Dedėmťëɦṽ | | Edward Galaway | Nėfěrꬸ Lexicon | 2020 | Speech and writing | | | Experimental | A priori | Considerable Development | |
| View | Nekāchti | Nekāchti | | Biblaridion | https://m.youtube.com/watch?v=da0Cq3enfXM&list=PL6xPxnYMQpqsqSZd1xMcf9J88lc4eifYG&index=3 | 2016 | Speech and writing | | | Conworld | A priori | Considerable Development | |
| View | Nememi | | | Thomas Hart Chappell | | 2019 | Speech only | | | | A priori | Value Unknown | |
| View | Neo | | | Arturo Alfandari | https://en.wikipedia.org/wiki/Neo_language | 1937 | Speech and writing | | | Global Auxiliary | A posteriori | Value Unknown | * imported from SIL — remove this label once data is known |
| View | Neoslavonic | | | Vojtech Merunka | http://www.neoslavonic.org/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Nēpoki | | | Wilhelm Stetter | http://linguifex.com/wiki/N%C4%93poki | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Nērys | Nērys | | Fyorr (Fyorr#1209) | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Netagin | | | Ílchőfti Lēmáthīd | http://linguifex.com/wiki/Netagin | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Nevbosh | | | J.R.R. Tolkien, childhood friends | https://folk.uib.no/hnohf/nevbosh.htm | 1910 | Speech and writing | | | Personal | A posteriori | Value Unknown | |
| View | New Qut | Qut | | Davi Camargo Azunite#8440 | | 2019 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | New Slavic | Novyj Slavënski | | u/SynthFan | | 2003 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Newspeak | | | George Orwell | http://www.frathwiki.com/Newspeak | 1948 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Ni a ni | | | VahKiel |Kiel#0193| | | 2019 | Speech and writing | | | Experimental | A priori | Considerable Development | |
| View | Nihilosk | Nihilosk | | Nikhil Sinha | https://nikhilsinha.xyz/a/
and https://nikhilsinha.xyz/a/anglesap.html | 2003 | Speech and writing | Anglesap, Latin | | Personal | A priori | Considerable Development | |
| View | Nimyad | | | Thomas Thurman | http://nimyad.org/wiki/Main_Page | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Nithalosian | | | Jayden Carr | http://conworkshop.info/view_language.php?l=NXS | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Noððã | Noððã | | Emerald of Thayī | https://docs.google.com/spreadsheets/d/1Nl_pUtpioRPAfVZEYpKpidbzB4w8MgCJkHGZHs1FgOQ/edit | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Norsian | | | Thomas R.C. de Roo | http://unae.wikia.com/wiki/Norsian_language | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | North American | | | James Y. Grevor | http://www.frathwiki.com/North_American | 1966 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Noukuślı | | | Lim H. Rana | | 2018 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Novegradian | | | Martin Posthumus | http://www.veche.net/novegradian | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Novial | | | Otto Jespersen | https://en.wikipedia.org/wiki/Novial | 1928 | Speech and writing | | | Global Auxiliary | A posteriori | Value Unknown | * imported from SIL — remove this label once data is known |
| View | Novoslovnica | | | Jegor Karpov | http://cals.conlang.org/language/novoslovnica/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Nü Bve | Nü'eve | | Caitlin C. Koi | https://discord.gg/y8nqXXe5qa | 2002 | Speech and writing | | | Personal | A priori | Active Community | |
| View | Nusa | Bahsa Nusa | | u/SynthFan | | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Nuxsut | | | Guillaume Boucher | https://drive.google.com/file/d/1DU6VeDb8EEaTm0o54gD-gbZtqSav6NYH/view?usp=sharing | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Nỳspèke | | | Sam Stutter | http://caccigga.webege.com/Conlangs.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Nyw | | | Jack Eisenmann | http://www.ostracodfiles.com/nyw/language.txt | 0 | Speech and writing | | | | A priori | Value Unknown | |
| View | ŋarâþ crîþ | ŋarâþ crîþ | | +merlan #flirora (/u/Fluffy8x) | https://gitlab.com/kyarei/uruwi-clongos | 2018 | Speech and writing | | | | A priori | Considerable Development | |
| View | Ŋyjichɯn | Ŋyjichɯn | | Silvercat | https://silvercat.neocities.org/index.html | 2016 | Value Unknown | | | | A posteriori | Considerable Development | |
| View | O Ayōndui | | | Jan Strasser | http://akana.conlang.org/wiki/O_Ay%C5%8Dndui | 2017 | Speech and writing | | | | Mixture | Considerable Development | A language from the Akana collaborative conworld |
| View | Oa | - | | Artifexian | https://m.youtube.com/watch?v=3378FlHK4v0 | 2016 | Speech and writing | | | | A priori | Considerable Development | |
| View | Ochrien | | | A. Ayres | https://www.facebook.com/celinot | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Oğude | Oğude | | Emerald of Thayī | https://docs.google.com/spreadsheets/d/1Nl_pUtpioRPAfVZEYpKpidbzB4w8MgCJkHGZHs1FgOQ/edit | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Okuna | | | Matt Pearson | http://pearson.conlang.org/ | 1993 | Speech and writing | Ilo | Kman-Tok | Personal, Conworld, and Alternate History | A priori | Well-developed | Typological characteristics: Free word order (SOV default order), agglutinating/fusional, case marking on nouns, plural agreement on verbs. Noteworthy for having a complex system of semantically-based case roles. |
| View | Living Language | Laví Peno | | Kristin Grayden | | 2020 | Speech and writing | | | Personal and Story-based | Value Unknown | Considerable Development | |
| View | Old Akarian | Akarroba | | Mintcarousel | https://docs.google.com/spreadsheets/d/1oEsMbjYHj1B5J1GVdclGLp7orikfl308PonP_1ALEKM/edit?usp=sharing | 201 | Value Unknown | | | | A priori | Considerable Development | |
| View | Old Daevite | Hiázaifeut | | Lon Lang Lin | http://www.scpwiki.com/old-daevite-language | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Old Mahavic | | | Ava Kendall | http://conworkshop.info/view_language.php?l=MHV | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Old Napo | | | Xorol | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Old Thumaniyyan | - | | Theo Hoge | https://docs.google.com/spreadsheets/d/1AQo466Q8uFGFPnkVHi6mCRRYMIbUfGq54ewd6xktknk/edit | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Old Varokeřim | Varokeřim Vasdôr | | Tormis Narno | | 2012 | Speech and writing | | | | A priori | Considerable Development | |
| View | Old Vóddan | | | Rowan Jacobs | https://conworkshop.com/view_language.php?l=UON | 2016 | Speech and writing | | | Alternate History | A posteriori | Considerable Development | |
| View | Olthamos | Olthêmosa | | Palma Fox | | 2020 | Speech and writing | | | Alternate History | A priori | Value Unknown | |
| View | Oltilip | oltilip | | Justin Kunimune | https://kunimune.home.blog/2019/08/19/oltilip-an-international-auxiliary-language/ | 2018 | Speech and writing | | | Global Auxiliary | A priori | Considerable Development | |
| View | Omanese | | | Conan Highwoods | https://conworkshop.com/view_language.php?l=TUTO | 2019 | Speech and writing | | | Personal | A priori | Considerable Development | |
| View | Omari | | | Jan Strasser | http://akana.conlang.org/wiki/Omari | 2012 | Speech and writing | | | | Mixture | Considerable Development | A language from the Akana collaborative conworld |
| View | Opu | Opu | | Emerald of Thayī | | 2019 | Speech only | | | | A priori | Value Unknown | |
| View | Oqolaawak | Oqolaawak | | Biblaridion | https://m.youtube.com/watch?v=RUf7GnJcyhA&list=PL6xPxnYMQpqsqSZd1xMcf9J88lc4eifYG&index=2 | 2016 | Speech and writing | | | | A priori | Value Unknown | |
| View | Oréyo | Oréyo | | u/SynthFan | | 2004 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Othba'aranese | Othba'aran | | Tormis Narno | | 2017 | Speech and writing | | | | A priori | Considerable Development | |
| View | Paishuan | Piipai | | A.C. Byrom (JesterGlee) | https://docs.google.com/document/d/1X7k4I2JV97cn6ain8RkbjSO9UK5svsDNnWtuhIka0ts/edit | 2019 | Speech and writing | | | | A priori | Considerable Development | |
| View | Pakung | Pakung | | Budkalon | | 2014 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Pakuni | | | Victoria Fromkin | http://www.frathwiki.com/Pakuni | 1974 | Speech only | | | | A priori | Active Community | |
| View | Pandunia | pandunia | | Risto Kupsala | http://www.pandunia.info/ | 2010 | Speech and writing | | | Global Auxiliary | A posteriori | Active Community | |
| View | Pantos-dimou-glossa | | | Lucien Rudelle | http://www.frathwiki.com/Pantos-dimou-glossa | 1868 | Value Unknown | | | | A posteriori | Value Unknown | |
| View | Parra | Para | | Ben Karnell | https://karnell.weebly.com/parra.html | 2012 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Parseltongue | | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Pegakibo | Pegakibo | | Jack Eisenmann | http://www.ostracodfiles.com/pegakibo/menu.html | 0 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | Pel Perrakithor | | | | http://planeshift.top-ix.org/pswiki/index.php/Stonebreaker_and_Hammerwielder_Language | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Peninsular (tentative) | ??? (Undecided) | | IML (Yusuke Kokura) | | 2020 | Speech and writing | | | | A priori | Some Development | |
| View | Perga Lesylve | Perga Lesylve | | Mu'e Alderan (Sara Woodill) | https://docs.google.com/spreadsheets/d/1yXVPYT4_F7NN_a_ZSCa510B-ssguMQf_LGCfSUjPhpI/edit?usp=sharing | 2018 | Speech only | | | | Value Unknown | Value Unknown | |
| View | Piat | | | John W Cowan | http://www.frathwiki.com/Piat | 1996 | Speech and writing | | | | A priori | Value Unknown | |
| View | Pínugham | | | Theo Hoge | https://docs.google.com/spreadsheets/d/1Fi8U9V3sti_pjl6lepAueVUPVb4mruy5Kc3Ul-VTXso/edit | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Piyowei | Piyowei ⟨pijowej⟩ | | A.C. Byrom (JesterGlee) | https://docs.google.com/document/d/13oJ-kceDubx2ILIU_995SvY_jhfczYV_bnntS5Dzyfo/edit | 2017 | Speech and writing | | | | A priori | Considerable Development | |
| View | Pohesian | Kiju Utarān | | Dzem S. | | 2019 | Speech and writing | | | | A priori | Considerable Development | |
| View | Poliespo | | | Billy Ray Waldon | https://en.wikipedia.org/wiki/Poliespo | 0 | Speech and writing | | | Global Auxiliary | A posteriori | Considerable Development | |
| View | Preist's Napo | | | Xorol | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Proto-Aakiuru | (unknown) | | Yoshimidsu | | 2019 | Speech only | | | | A priori | Considerable Development | |
| View | Proto-Achloromo | ??? (Undecided) | | SCP Time | | 2019 | Speech and writing | | | | A priori | Considerable Development | Syllabary writing system (no electronic script yet), conworld is Vosanus (Private wiki atm) |
| View | Proto-Aliccel | Žnibcpwafn | | Benjamin Young | | 2020 | Speech only | | | | A priori | Considerable Development | Has no Verbs |
| View | Proto-Ãrãnee language | | | Davi Camargo Azunite#8440 | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Proto-Asqonthic | Badríum Âdėhreín / Badríum Umumáum Êhreba | | N. Harlan Hancock | https://docs.google.com/document/d/1Fc0YsCenx5KaeZ09RWqkD8ZnoP8GHG0lOYMYDDceGss/edit?usp=sharing | 2019 | Speech only | | | | A priori | Considerable Development | |
| View | Proto-Elkling | Ûsûngeiim | | Benjamin Young | | 2020 | Speech only | | | | A priori | Considerable Development | |
| View | Proto-Elven | Edhel | | Metalhead33 | https://ways-of-darkness.sonck.nl/Proto-Elven_language | 2015 | Speech only | | | | Mixture | Considerable Development | |
| View | Proto-Humanic | Aztur | | Benjamin Young | | 2020 | Speech only | | | | A priori | Considerable Development | |
| View | Proto-Kúiito / Transportation Kúiito / Island Kúiito | Sgmbóṙṙ Iṙíiṙ | | N. Harlan Hancock | https://docs.google.com/document/d/10Rt8OaTdyx_PWYT3MktZu1brU9WHrrFHKuAkD-ydb8s/edit?usp=sharing | 2018 | Speech and writing | | | | A priori | Some Development | |
| View | Proto-Mbingmik | | | Jan Strasser | http://akana.conlang.org/wiki/Proto-Mbingmik | 2013 | Speech and writing | | | | A priori | Value Unknown | A language from the Akana collaborative conworld |
| View | Proto-Nawan | Nahuhame | | VahKiel |Kiel#0193| | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Proto-Ndeje | | | Davi Camargo Azunite#8440 | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Proto-Norlokian | Dëwirik | | Metalhead33 | https://ways-of-darkness.sonck.nl/Proto-Norlokian_language | 2018 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Proto-Pescian | https://imgur.com/a/aNl2VY4 | | Benjamin Young | | 2020 | Value Unknown | | | | A priori | Considerable Development | |
| View | Proto-Q'alasust | | | Davi Camargo Azunite#8440 | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Proto-Ronquian | | | Kári Emil Helgason & Jan Strasser | | 2013 | Speech and writing | | | | A priori | Considerable Development | A language from the Akana collaborative conworld |
| View | Proto-Sidengic | Sídeng | | Benjamin Young | | 2020 | Speech and writing | | | | A posteriori | Value Unknown | Is a direct descendant of Proto-Humanic |
| View | Proto-Thumaniyyan | - | | Theo Hoge | https://docs.google.com/spreadsheets/d/19vUkKW32_chCzdS0cowiW92C0aIsOss1TpBNQAHiid4/edit | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Proto-Ukidza | Ükka'itsa | | VahKiel |Kiel#0193| | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Proto-Wentuahasic | Wếnhtwăhas | | Benjamin Young | | 2020 | Speech and writing | | | | A posteriori | Value Unknown | Is a direct descendant of Proto-Humanic |
| View | Proto‐Bolen | Bolen wa | | SirKFCPepsi | | 2020 | Speech and writing | | | Alternate History | A priori | Considerable Development | |
| View | Pthm | pʰíɸðam | | Robert Cole (Agma Schwa) | https://www.nguh.org/home/pthm | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | pushukubo | pushukubo | | kabiman | https://docs.google.com/document/d/1vJhxdgUHurFBXuZuXeBge56taIu7w67MU5nFOPS3e5g/edit?usp=sharing | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Qafesona | | | Pá mamūnám ontā́ bán | https://linguifex.com/wiki/Qafesona | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | qhertsan | qʰeᵣtsąq̨a/ qher.tsEn.KE | | benny m. | https://drive.google.com/drive/folders/1rQSHMkbaclHcbN2nzAcbCdM2Jznr7SFt | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Qôsmianî | | | Wilburg Massat Law Beatty | https://eo.wikipedia.org/wiki/Kosmiano | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Qrélljych | | | Lim H. Rana | | 2017 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Quarenunsi | qarenansi | | Sir Anonyeemous | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Quenya | Quenya | | J.R.R. Tolkien | https://folk.uib.no/hnohf/qcourse.htm | 1910 | Speech and writing | | | | A posteriori | Active Community | |
| View | Rabbid (Lapin Cretin) | Bāáwǎdrā | | Robert Cole (Agma Schwa) | https://www.nguh.org/home/rabbid-lapin-cretin | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Ragi | | | Spence Hill | http://strengthofthehills.tripod.com/hanilanguageandculturepage/id12.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Rale Acule | Rale Acule | | Colton Arney | | 2019 | Speech and writing | | | | A priori | Considerable Development | |
| View | Rayalaka | | | Rebecca Bettencourt | http://www.kreativekorp.com/personal/rayalaka/ | 2013 | Value Unknown | | | Experimental | A priori | Value Unknown | |
| View | rbanic | harban | | Satori Migibito | | 2019 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | real world language (rwl) | b | | TauDudeBlobber | https://1drv.ms/u/s!AmRBnHE4RBUdxhqTpCr9mTlgdFZ9?e=1TgGNg ( alternate link: https://www.amazon.com/clouddrive/share/dj5x1wFmmnOZQykJe22mFheQAdg4V3H4jFJS6IDzOuB ) | 2020 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | Redentran | Redentroða | | Andrew Ray | http://aray.conlang.org/redentran/ | 2012 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Ree Rɛɛ Kıbyaa | | | Jan Strasser | http://akana.conlang.org/wiki/Ree_R%C9%9B%C9%9B_K%C4%B1byaa | 2014 | Speech and writing | | | | Mixture | Considerable Development | A language from the Akana collaborative conworld |
| View | Rejistanian | | | Mechthild Czapp | https://gist.github.com/101728 | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Rën | Zëw Rën | | Rën | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Reptigan | Reptigan | | Thomas Hart Chappell | http://cbbforum.com/viewtopic.php?p=45285#p45285 | 1969 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Resos Sus-Sana | | | David Malmström | http://conworkshop.info/view_language.php?l=RAS | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Rikchik | | | Denis Moskowitz | http://suberic.net/~dmm/rikchik/language/language.html | 0 | Value Unknown | | | | A priori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Ris | | | Waahlis | http://linguifex.com/wiki/Ris | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Proto-Riverspeak | [TBD] | | xlc | https://docs.google.com/spreadsheets/d/1Do0bCZvFT7HE1lu4QsOOqDysoeoSTPpk1usLSsgoXYo/edit?usp=sharing | 2019 | Speech and writing | | | | A priori | Value Unknown | |
| View | Rjargi | | | Miguel Bartelsman | http://linguifex.com/wiki/Rjargi | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Ro | | | Rev. Edward Powell Foster | http://en.wikipedia.org/wiki/Ro_(artificial_language) | 0 | Value Unknown | | | | A priori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Robiin | Rābīn | | u/SynthFan | | 2010 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Rokkon | Patogi Rokkon | | Andrew Kasmita | https://rokconlang.wordpress.com/ | 2017 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Romanal | | | Dr. Alfred Michaux | http://www.frathwiki.com/Romanal | 1909 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Romanid | | | Zoltán Magyar | https://en.wikipedia.org/wiki/Romanid | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Romanova | | | David Crandall | https://ial.fandom.com/wiki/Romanova | 0 | Speech and writing | | | Global Auxiliary | A posteriori | Value Unknown | * imported from SIL — remove this label once data is known |
| View | Ronc Tyu | | | Jan Strasser | http://akana.conlang.org/wiki/Ronc_Tyu | 2014 | Speech and writing | | | | Mixture | Considerable Development | A language from the Akana collaborative conworld |
| View | Rōṅisabh | | | Lim H. Rana | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Roumanic | Lhembà Roumanigà | | Tark (Discord: Tark#5637) | https://docs.google.com/spreadsheets/d/1bzDHof4i3RvxMHWn4fVhxEj9VUKKJuDuKHdypulV8pM/edit?usp=drivesdk | 2020 | Speech and writing | | | Personal | A posteriori | Value Unknown | |
| View | Ryuku | /'rju.ku/ | | u/PadawanNerd | https://www.reddit.com/r/conlangs/comments/84n6kp/padawanchibis_guide_to_the_ryuku_script_criticism/ | 2016 | Speech and writing | | | | Value Unknown | Considerable Development | abandoned |
| View | Rzsəstczoʻl | | | Lim H. Rana | | 2019 | Speech and writing | | | | A priori | Value Unknown | |
| View | Sagavi | | | Paul Jones | https://sites.google.com/site/sagavisk/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Sakasul | | | Kenji Sawatari | https://github.com/quantum1423/sakasul | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Salhari | Salhari | | Alex Sands | http://cals.conlang.org/language/salhari/ | 2010 | Speech and writing | | | | A priori | Considerable Development | |
| View | Sambahsa | | | Olivier Simon | http://en.wikipedia.org/wiki/Sambahsa | 2007 | Speech and writing | | | Global Auxiliary | A posteriori | Considerable Development | |
| View | Sandic | | | A.C. Simon | http://wytn-awake.blogspot.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Sanila | Sanila | | cerulean | https://docs.google.com/document/d/18ZyUWMbw3wBmAHdoL2x7y_KthQydjBIqgC00oNvxi0A/edit?usp=sharing | 2018 | Speech and writing | | | | A priori | Considerable Development | |
| View | Saptad | Saptad | | Xavier Lau-Cavanaugh | | 2020 | Speech and writing | | | Personal | A priori | Value Unknown | |
| View | Sarasa | Sarasa | | IML (Sirnoka & Kaoru Shigure) | https://tanukipedia.miraheze.org/wiki/%E6%9B%B4%E7%B4%97%E8%AA%9E | 2014 | Speech and writing | | | | A priori | Considerable Development | |
| View | Sasxsek | | | Dana Nutter | https://dana.nutter.net/conlang/sasxsek/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | SAT Conlang | | | Scholastic Aptitude Test | http://www.frathwiki.com/SAT_Conlang | 0 | Speech and writing | | | | A priori | Value Unknown | |
| View | Scollerinian | scollerinak | | Lars Finsen | | 1972 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | SEM-ALCA | ȷeᴅ-ɜɥʌɜ | | Satori Migibito | https://twitter.com/SEM_ALCA_tan | 2019 | Value Unknown | | | | A priori | Value Unknown | |
| View | Seólish | Seólis | | Austin Elizabeth Gaines (Glass Coppelia) | https://docs.google.com/spreadsheets/d/1MrQGa9l7yGjAf6H4E6yl31Qab-3rTQY7-3NoB0mYVZs/edit | 2016 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Seren | | | Inara Tabir | http://www.profoundium.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Sese | | | Jack Eisenmann | http://www.ostracodfiles.com/zese/sese.html | 0 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Shaj | | | Joshua Levin | http://conlang.wikia.com/wiki/Shaj | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Shaleian | | | Ziphil Shaleiras | http://ziphil.com | 2012 | Speech and writing | | | | A priori | Considerable Development | |
| View | Shamel | Shamel | | Satori Migibito | | 2019 | Value Unknown | | | | A priori | Value Unknown | |
| View | Shäny | Shäny | | Tark#5637 | https://docs.google.com/spreadsheets/d/1uBWOGAw_5EemhI76uhauYyqU4wXzHKZ-zz_TdIUghlU/edit#gid=0 | 2020 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Shenic | | | R. B. Canty | | 2010 | Speech and writing | | | | A priori | Considerable Development | |
| View | Shikathi | | | James Allen | http://conworkshop.info/view_language.php?l=SHK | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Shintæmild | | | littlesalmon | | 0 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Shiväisith | | | David J. Peterson | https://marvelcinematicuniverse.fandom.com/wiki/Shiv%C3%A4isith | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Shoran | Shoran | | Nerios | | 2019 | Speech and writing | | | | A priori | Value Unknown | |
| View | Shpwaberur | Zpvaberur | | Thomas Bagnall | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Shwahla | Shwahla, Ashwahla, Ashwahlannari, Seli'vong | | Ashildr Dorchadon | | 2016 | Speech and writing | | | | A priori | Value Unknown | |
| View | Siberian | | | Yaroslav Zolotarev | http://volgota.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Silindion | | | Elliott Lash | http://erelion.free.fr/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Silōs | | | Clayton Williams & Andrew John Bevolo IV | http://linguifex.com/wiki/Sil%C5%8Ds_language | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Sima Pala | Sima Pala | | Nazario Ph. Caceres | | 2020 | Speech and writing | | | Experimental | A priori | Considerable Development | |
| View | Sindarin | Edhellen | | J.R.R. Tolkien | | 1955 | Speech and writing | | | | A priori | Active Community | |
| View | Skerre | | | Doug Ball | http://tsketar.conlang.org/conlangs/skerre/skerremain.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Slovio | | | Mark Hučko | http://en.wikipedia.org/wiki/Slovio | 1999 | Value Unknown | | | | A posteriori | Active Community | |
| View | Smegolian | Smegolian | | Conan Highwoods | | 2019 | Speech and writing | | | Personal | Mixture | Some Development | |
| View | Sõhnũka | | | Lim H. Rana | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Solresol | Sol-Re-Sol/GDG | | François Sudre | https://www.sidosi.org/ | 1827 | Value Unknown | | | Experimental | A priori | Active Community | |
| View | Sona | | | Kenneth Searight | http://en.wikipedia.org/wiki/Sona_language_(artificial) | 1935 | Speech and writing | | | Global Auxiliary | A posteriori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Spocanian | spokânda | | Rolandt Tweehuysen | https://www.spocania.com/grasp/ | 1962 | Speech and writing | | | | A priori | Considerable Development | |
| View | Spokil | | | Adolphe Nicolas | http://en.wikipedia.org/wiki/Spokil | 1890 | Speech and writing | | | Global Auxiliary | A priori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Squid | (can't be shown) | | Lars Finsen | | 2012 | Value Unknown | | | Experimental | A priori | Value Unknown | |
| View | Standard Retenian | | | Victor Lubiez | https://docs.google.com/spreadsheets/d/1dsHZHdLPdGJ5NSA4inGwOd5KEQtf4d1wtA8JRE_Rb8U/edit?usp=sharing | 2018 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Stardot | Stārdōt | | u/SynthFan | | 2005 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Streich | | | Tommaso Donnarumma | http://www.stm.it/T.Donnarumma/prestr-e.htm | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Súiⱥcúili | | | Chridd | https://chridd.nfshost.com/suiacuili/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Sūmá’a | Sūmá’a | | Biblaridion | | 2016 | Speech and writing | | | | A priori | Value Unknown | |
| View | Suok | Suok | | Vélonzio Nœudefée | https://aphil.1fr1.net/t3999-le-suok-ex-lanko-ideolangue-a-base-verbale?highlight=Suok | 2018 | Speech and writing | | | Personal | A priori | Value Unknown | |
| View | Svenïk | Sven | | Edward Galaway | https://docs.google.com/document/d/1Tcxa2bLAfgQ4JBahlZM-HRJQEcC03TQs-OBXMIFdl-Q/edit?usp=sharing | 2018 | Speech and writing | | | | A priori | Considerable Development | |
| View | Syai | | | Brian Lilburn | http://www.mn.medstroms.se/~pvemm/syai0.htm | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Syldavian | Zyldav | | Hergé | http://www.zompist.com/syldavian.html | 1939 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Szezk | | | Benjamin Uden | http://conworkshop.com/view_language.php?l=SZE | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Tá à p'u | | | Eddy the Great | https://web.archive.org/web/20050627085149/http://www.angelfire.com/mo3/terrapvlchra/conlang/cl2.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Ta'aramudo | Ta'arámudo | | jan Kan | https://docs.google.com/document/d/17LEO9Mt-GjIUFc831Ff9SGsQUCR5qYnmGpZkmVMHHQE | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Taalen | Rallen | | Aidan Grey | | 2001 | Speech and writing | | | Personal | A posteriori | Considerable Development | |
| View | Taituzui | | | Naxin Wang | | 2019 | Speech and writing | | | | A priori | Some Development | |
| View | TAKE | Το Ἄνευ Κλίσι Ἑλληνική | | Ray Brown | http://www.carolandray.plus.com/TAKE/index.html | 2006 | Speech and writing | | | | A posteriori | Considerable Development | * imported from CLCR — remove this label once data is known |
| View | Talbas | | | Chridd | https://chridd.nfshost.com/talbas/ | 0 | Value Unknown | | | | Value Unknown | Considerable Development | |
| View | Talossan | Talossan | | R. Ben Madison | http://talossan.com/ | 1980 | Speech and writing | | | | A posteriori | Active Community | |
| View | Tapissary | | | Steven Travis | https://www.tapissary.net/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Taruven | Taruven | | Kaleissin | | 0 | Value Unknown | | | | A priori | Considerable Development | |
| View | Tāstrīntsé | Tāstrīntsé | | Nerios | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | TauDudeBlobber's 1 hour challenge conlang | | | TauDudeBlobber | https://docs.google.com/spreadsheets/d/1d26icxZ0fJ4dnBQcD3cNRJhivKlrtRIsDhKWWS6fjMs/edit?usp=sharing | 2020 | Speech and writing | | | Experimental | A priori | Value Unknown | |
| View | Tcathan | | | Tim Pappas | https://conlang.fandom.com/wiki/Chathan | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Tceqli | | | Rex F. May | http://ceqli.pbworks.com/w/page/5455970/FrontPage | 0 | Speech and writing | | | Logical | A posteriori | Considerable Development | |
| View | tedrshyʕa | | | TauDudeBlobber | https://photos.app.goo.gl/h635MnpK9SCFdzBw6 https://docs.google.com/spreadsheets/d/1LemV0b-UdK8UXQElH46d5JKPCy82aWhMe0l4hQVmDvg/edit?usp=sharing | 2019 | Speech and writing | | | | A priori | Value Unknown | |
| View | Telehe language | Telehe | | Davi Camargo Azunite#8440 | https://pt.overleaf.com/read/tpqmkrdrpvcx | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Telerin | | | J.R.R. Tolkien | http://en.wikipedia.org/wiki/Telerin | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Teonaht | Teonaht | | Sally Caves | http://www.concavities.org/ | 1962 | Speech and writing | | | | A priori | Considerable Development | |
| View | Teremi | Teremii | | Andrew Ray | | 2019 | Speech and writing | | | | A priori | Value Unknown | |
| View | Terste'hisdemm | terste'hisdemm | | erSlippers | | 2020 | Speech only | | | Experimental | A priori | Value Unknown | |
| View | Thandian | - | | Biblaridion | https://www.youtube.com/watch?v=bjDqBz7kw1M | 2013 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Thandiespo | | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Thebloan | Þeblo | | Nazario Ph. Caceres | | 2019 | Speech and writing | | | Conworld | A priori | Considerable Development | |
| View | Thisholínjsho | Thisholínjsho | | Emerald of Thayī | | 2018 | Speech and writing | | | | A priori | Value Unknown | |
| View | Thumaniyyan | - | | Theo Hoge | https://docs.google.com/spreadsheets/d/102bMxJPfx59rWhere3ax2y0ft1EJxdsGSnuVNORKSQ0/edit | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Tiranese | | | Tiffany White | http://conworkshop.info/view_language.php?l=CWS | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Tirelat | | | Herman Miller | http://www.prismnet.com/~hmiller/lang/Tirelat/index.html | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Tł₂any Hŋʷ₂ìì’ | | | Lim H. Rana | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | tɬat | twhat | | Madeline K.A. | https://drive.google.com/file/d/19nOCwdssVt4L7J_t0REHbnXy54I2BEAJ/view?usp=drivesdk | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | t͡ɬʼ | dlepkuı arrìle | | littlesalmon | https://discord.gg/xV6EUpVAXQ | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Tmaśareʔ | | | Jan Strasser | http://akana.conlang.org/wiki/Tma%C5%9Bare%CA%94 | 2009 | Speech and writing | | | | Mixture | Value Unknown | A language from the Akana collaborative conworld |
| View | Toki Ma | toki ma | | u/ShevekUrrasti | toki-ma.com/
and funtoon.party/tokima | 2020 | Speech and writing | | toki pona
and tokiponido | Global Auxiliary | A posteriori | Considerable Development | toki ma is a global auxlang based on toki pona, which is created by Sonja Lang. Languages like this are called "tokiponidos." |
| View | toki mi | | | Helmut Voigt | https://drive.google.com/file/d/1Pj--ZMuoWXW7Yc7895j1CemOatHJjkBv/view?usp=sharing | 2019 | Speech and writing | | | Personal | A posteriori | Considerable Development | |
| View | toki pona | toki pona | | Sonja Lang | http://tokipona.org/ | 2001 | Speech and writing | Latin, sitelen pona, sitelen sitelen, sitelen linja, sitelen lape, sitelen namako, sitelen telo, sitelen musi, sitelen pi linja wan, every single script that toki pona can fit in | toki pona and tokiponido | Philosophical | A posteriori | Fluent Users | toki pona is a minimalist constructed language created by Sonja Lang. toki pona only has 120(+) words. You can communicate almost anything using it. |
| View | Tongue of Annunciation | | | B. Gian James | http://linguifex.com/wiki/Tongue_of_Annunciation | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Torga | Tau Argha | | Budkalon | | 2014 | Speech and writing | | | Story-based, Conworld, and Geofictional | Mixture | Some Development | |
| View | Toutanian | d̪eβa: t̪out̪az̪o | | Skin Of Child | https://docs.google.com/spreadsheets/d/1DLx3HgYiKyZbWIDHx_yIkbx0MT7Q4C3hODbpcSukJUQ/edit?usp=sharing | 2020 | Speech and writing | | | Alternate History | Value Unknown | Considerable Development | |
| View | Treyll | | | Andrea Greynolds | https://sites.google.com/site/heylola2xconlangs/Treyll | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Tribuggese | | | arrayfish | https://cals.info/language/tribuggese/ | 2017 | Speech only | | | | A priori | Considerable Development | |
| View | Ts'ap'u-k'ama | Ts'ap'u-k'ama | | Biblaridion | | 2016 | Speech and writing | | | | A priori | Value Unknown | |
| View | Tsan | | | Waahlis | http://linguifex.com/wiki/Tsan | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Tsarhfis | | | Rhemestry | https://w.atwiki.jp/tsarhfis/ | 2020 | Value Unknown | | | | A priori | Value Unknown | |
| View | Tsɑkø | | | Silvercat | https://silvercat.neocities.org/index.html | 2020 | Value Unknown | | | | A posteriori | Considerable Development | |
| View | Tsemehkiooni | | | Jan Strasser | http://akana.conlang.org/wiki/User:Cedh/Tsemehkiooni | 2011 | Speech and writing | | | | A priori | Value Unknown | A language from the Akana collaborative conworld |
| View | Tsolyáni | | | M.A.R. Barker | http://en.wikipedia.org/wiki/Tsoly%C3%A1ni_language | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | tüchte | tüxtə | | Alexis Huchelmann | http://fiatlingua.org/2019/04/ | 2017 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Tvern El | Tvern El | | Adam Walker/A. Walker Scott | http://www.reocities.com/Athens/4745/Glosopoeic.html | 1993 | Value Unknown | native script | | Xenolang/Alien | A priori | Some Development | * imported from CLCR — remove this label once data is known |
| View | Txioli | Txioli | | IML (Sirnoka & Bucho Alter) | https://tanukipedia.miraheze.org/wiki/%E5%8D%83%E7%B9%94%E8%AA%9E | 2014 | Speech and writing | | | | A priori | Considerable Development | |
| View | Tydotsuy | | | Chridd | https://chridd.nfshost.com/tydotsuy/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Tynthna | Tynthdzanuu | | Silvercat | https://silvercat.neocities.org/index.html | 2005 | Value Unknown | | | | A posteriori | Considerable Development | |
| View | Ulazredhun | Ulazredhun | | Biblaridion | | 2016 | Speech and writing | | | | A priori | Considerable Development | |
| View | Umbrean | | | Zelos Malum | http://linguifex.com/wiki/Umbrean | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Unilingua/Mirad | | | Noubar Agopoff | https://en.wikibooks.org/wiki/Mirad_Grammar | 0 | Speech and writing | | | | A priori | Value Unknown | |
| View | Unish | | | Sejong University, Korea | https://en.wikipedia.org/wiki/Unish | 1996 | Speech and writing | | | Global Auxiliary | A posteriori | Value Unknown | |
| View | Universalglot | aka Universal | | Jean Pirro | http://www.frathwiki.com/Universalglot | 1868 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Unnaqeṭ | | | Hope C. Dixon | https://conlang.fandom.com/wiki/Unnaq%C3%AB%E1%B9%AD | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Uosmigjar | Uosmigjar | | Vélonzio Nœudefée | https://aphil.1fr1.net/t4600-l-uosmigjar-l-euskara-suomi-magyar-libre?highlight=Uosmigjar | 2019 | Speech and writing | | | Personal | A posteriori | Value Unknown | |
| View | Uragic | urgt | | Satori Migibito | | 2019 | Value Unknown | | | | A priori | Value Unknown | |
| View | uREd | | | Serena Innocenti | http://linguifex.com/wiki/UREd | 2014 | Speech and writing | | | Global Auxiliary | A posteriori | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Urianian | urianeg | | Lars Finsen | http://www.ortygia.no/uriania/languages-eng.shtml | 1967 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Uropi | Uropi | | Joël Landais | https://sites.google.com/site/uropivarkia/ | 1986 | Speech and writing | | | Global Auxiliary | A posteriori | Considerable Development | |
| View | Üskhu | Üskhu | | Mike Freidmaan | | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Utopian | | | Thomas More & Peter Giles | https://en.wikipedia.org/wiki/Utopian_language | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Uvavava | Uvavava | | Gregory Shutt (Hobomancat) | https://docs.google.com/document/d/1JRUWWaJs4Qspxjz54KOWMat5Dvrm1gtB4oV0XYNZs44/edit?usp=sharing | 2018 | Speech and writing | | | Personal | A priori | Considerable Development | |
| View | Uwu | Uwu | | lotheg90 | https://www.reddit.com/r/conlangs/comments/fxvro9/an_introduction_to_uwu/ | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Uzili | | | A. Grogan | https://conworkshop.com/view_language.php?l=UZX | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Vâklu | Vâklu | | [xɬpʼχʷɬtʰɬpʰɬːskʷʰt͡sʼ]#6822 | | 2020 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Valaklwuuxa | Valaklwuuxa | | Logan R. Kearsley | | 2015 | Speech only | | | Experimental | Mixture | Considerable Development | |
| View | Valendhírdven | Valendhírdven | | Antonio Barolo | https://docs.google.com/document/d/1VkFANaiueU0bvPleSUvjHBy-uQuWR61NWVO8wG2dz_c/edit | 2015 | Speech and writing | | | | A priori | Considerable Development | |
| View | Valian | | | Billy J.B. | http://linguifex.com/wiki/Valian | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Valthungian | | | Benjamin P. Johnson | https://linguifex.com/wiki/Valthungian | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Vanawo | Vanawo | | nate p | | 2014 | Speech and writing | | | | A priori | Considerable Development | |
| View | Vannmanser | | | Lim H. Rana | | 2018 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Varokeřim | Varokeřim Enoma | | Tormis Narno | | 2008 | Speech and writing | | | | A priori | Considerable Development | |
| View | Vashtani | | | Austin Elizabeth Gaines (Glass Coppelia) | https://docs.google.com/document/d/1OWXtlg6NlwFdvaY5D0O9v8UfG42vA-wi4ebyd47Nyh4/edit | 2018 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Veda Language | | | David J. Peterson | https://dedalvs.tumblr.com/post/179804899322/veda-orthography and https://dedalvs.tumblr.com/post/179800861936/introduction-to-the-veda-language | 2017 | Speech and writing | | | | A priori | Value Unknown | |
| View | Vélangz | Velangz | | Vélonzio Nœudefée | https://aphil.1fr1.net/t4805-le-velangz-a-la-croisee-de-mes-ideolangues | 2020 | Speech and writing | | | Personal | A posteriori | Value Unknown | |
| View | Verdurian | soa Sfahe | | Mark Rosenfelder | http://www.zompist.com/verdurian.htm | 1995 | Speech and writing | | | | A priori | Learners | |
| View | Vetsian | Веца (Veca) | | nate p | | 2020 | Speech and writing | | | | A posteriori | Some Development | |
| View | Viossa | Viossa | | Viossa Diskordserver | https://www.youtube.com/watch?v=F1LBCMWDNwo
, https://www.reddit.com/r/conlangs/comments/3y2yek/viossa_an_experimental_pidgin_one_year_in_the/
, https://www.reddit.com/r/Viossa/ | 2014 | Speech and writing | | | Conpidgin | Mixture | Fluent Users | |
| View | Viteberger | | | Renato Piereck | http://viteberger.tumblr.com/ | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Voksigid | | | Bruce R. Gilson | https://mw.lojban.org/papri/Voksigid | 1992 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Volapük | Volapük | | Johann Martin Schleyer | http://xn--volapk-7ya.com/ | 1879 | Speech and writing | | | Global Auxiliary | A posteriori | Active Community | Oa Featural Alphabet |
| View | Vong | Vong | | Viktor Medrano | http://planetvix.tripod.com/vong/ | 2001 | Speech and writing | | | | A priori | Considerable Development | |
| View | Vosnian | | | Georgina Shield | http://www.frathwiki.com/Vosnian | 1950 | Speech and writing | | | | Value Unknown | Considerable Development | |
| View | VötGil | VötGil | | Jack Eisenmann | http://www.ostracodfiles.com/votgil/main.html | 2012 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Vrkhazhian | ʾIšaddu Yat-Vṛḵaẕikam
, Śād Warḫāla-li
, Šarad Yat-Vṛḵaẕ
, ʾAšdu Yat-Vṛḵaẕ
, ʾAšdu Yat-Vṛḵaž
, and Śātti-li | | Malcolm G. Holborne | http://www.frathwiki.com/Vrkhazhian | 0 | Value Unknown | Latin | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Wachanese | Wachananlingguui | | J.Z.Y.X. (a.k.a. Tzoucübox) | https://docs.google.com/document/d/1kBJGX62wav34trnre9aUK7oqPV5CD1q9eDBZLCoR50M/edit?usp=sharing | 2020 | Speech and writing | | | Personal and Other | A posteriori | Considerable Development | |
| View | Wal'aval'wa | Waľavaľwá | | Rowan Jacobs | https://conworkshop.com/view_language.php?l=WLYW | 2020 | Speech and writing | | | | A priori | Considerable Development | A language from the Sahar collaborative conworld |
| View | Wenedyk | | | Jan van Steenbergen | http://en.wikipedia.org/wiki/Wenedyk | 2002 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Wexfordish | Weyzvordhij | | Whittier Strong | | 2020 | Speech and writing | | | Alternate History | A posteriori | Considerable Development | |
| View | Wfo | Wfo | | Daniel Nielsen | http://wfo.conlang.org | 2008 | Speech and writing | | | | Mixture | Considerable Development | |
| View | Nilian
and Setthir | Setthir | | Saiph Rivas | Work In Progress | 2017 | Speech and writing | Nilian sillabary | | Conworld and Spiritual/Mystical/Ritual | A priori | Well-developed | Has no voicing |
| View | Wilkins's Language | | | John Wilkins | https://archive.org/details/AnEssayTowardsARealCharacterAndAPhilosophicalLanguage | 1668 | Speech and writing | | | Philosophical | A priori | Considerable Development | |
| View | Wolflandic | Lupolandixedatzano | | Ian Foster | https://planetpresto.fandom.com/wiki/Wolflandic_language | 0 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | WSL | Wjerih Sarak Lezu | | Logan R. Kearsley | | 2014 | Speech and writing | | | Experimental | Mixture | Considerable Development | |
| View | Xaîni | | | Paulus the Woodgnome | https://web.archive.org/web/19970217205225/http://www.users.dircon.co.uk/~paulus/xain1.htm | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Xarean | Xarore | | Shi | https://docs.google.com/spreadsheets/d/1LzOYkytjyAA95I_D2Pv778fb3wux2kl6MCVoEkIboSc/edit?usp=sharing | 2020 | Speech and writing | | | Personal | A priori | Value Unknown | |
| View | Xažik | | | B. Gian James | http://linguifex.com/wiki/Xa%C5%BEik | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Xliponian | | | Ronald Kyrmse | http://www.frathwiki.com/Xliponian | 2000 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Xuni Kwang | Mbuƅ Goзƞ Šuƅƞ | | Rowan Jacobs | https://conworkshop.com/view_language.php?l=XKWAN | 2020 | Speech and writing | | | | A priori | Considerable Development | A language from the Sahar collaborative conworld |
| View | Xurnese | Corauši | | Mark Rosenfelder | http://www.zompist.com/xurnash.htm | 2008 | Speech and writing | | | | A priori | Considerable Development | |
| View | Xynder | | | Avlönskt | https://conworkshop.com/view_language.php?l=XYN | 2014 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Y | cintama | | Xorol | https://conworkshop.com/view_language.php?l=YLANG | 2020 | Speech and writing | | | Personal | A priori | Value Unknown | |
| View | Yerkish | | | Ernst von Glasersfeld | https://en.wikipedia.org/wiki/Yerkish | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | Ygyde | | | Andrew Nowicki | http://www.ygyde.neostrada.pl | 2000 | Speech and writing | | | Philosophical | A priori | Considerable Development | |
| View | Yherchian | Yherč Hki | | Xsugatsal | https://yherchian.miraheze.org/wiki/Language | 2012 | Speech and writing | | | | A priori | Considerable Development | |
| View | Yibsunese | lingi'Yibsuni | | Conan Highwoods | | 2020 | Speech and writing | | | Personal | Mixture | Some Development | |
| View | Yiglagi (Historical)/ Jyglagi | Jyglagi Falha | | &C. | | 0 | Speech and writing | | | | A priori | Considerable Development | |
| View | Ylialis | Ykuslis | | Silvercat | https://silvercat.neocities.org/index.html | 2002 | Value Unknown | | | | A posteriori | Considerable Development | |
| View | yoka tetute | yoka tetote | | kakjeka & cegar taftaf | | 2015 | Value Unknown | | | | A priori | Value Unknown | |
| View | Yunuloj | Yunuloʄ | | Emerald of Thayī | https://docs.google.com/spreadsheets/d/1KIWy-lP8rMhWa1byDAioyM9QtFU0j13PJrEi-U_MvGQ/edit | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | YW | Yw | | Pierre SOUBOUROU | https://docs.google.com/spreadsheets/d/1GBFd8_qkah0SD4aIy4F6N-CoidPLC2vlhWcS736M47w/edit?usp=sharing | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Z | cintama | | Xorol | https://conworkshop.com/view_language.php?l=CTMA | 2020 | Speech and writing | | | Logical | A priori | Considerable Development | |
| View | Zakynthian | Zakintika/Ζακηντηκα | | Fyorr (Fyorr#1209) | https://docs.google.com/document/d/1_X6izjYqwVV-xKabyT-9TaNHinQTycCScNAMrD2i37Y/edit?usp=sharing | 2020 | Speech and writing | | | Alternate History | A posteriori | Considerable Development | |
| View | Zankzu | Zankzu | | u/Zar_ | https://zankzu.miraheze.org/wiki/Main_Page#Links | 2020 | Speech and writing | | | Personal | Mixture | Considerable Development | |
| View | Zese | ZESE | | Jack Eisenmann | http://www.ostracodfiles.com/zese/main.html | 2015 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Zetan | Zetano | | Lucas Gallindo | https://discord.gg/MsUs47h | 2017 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Zharu | Zharu/Zjaru | | Nazario Ph. Caceres | | 2018 | Speech only | | | Alternate History | A posteriori | Value Unknown | |
| View | Zhyler | | | David J. Peterson | https://dedalvs.com/zhyler/main.html | 0 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | Zuhayan | Suheiist | | Josh Hien (joconlang) | | 2019 | Speech and writing | | | Personal | A posteriori | Considerable Development | |
| View | Zurafa | | | Jack Eisenmann | | 0 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | Ɂn | Ɂn | | Ian Riley | https://sites.google.com/view/kamnang/conlanging/%CA%94n | 2020 | Speech and writing | Ɂn Script, Latin, Latin (ASCII) | | Experimental | A priori | Learners | |
| View | ʾÅa̩en | | | B. Gian James | http://linguifex.com/wiki/%CA%BE%C3%85a%CC%A9en | 0 | Value Unknown | | | | Value Unknown | Value Unknown | * imported from CLCR — remove this label once data is known |
| View | ’Uluka | | | Theo Hoge | https://docs.google.com/spreadsheets/d/1GKatFKynBOAIvUp_qZd2iZwaPhnT7BjLBJBgPfR3118/edit | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Aachgnek language | | | | https://app.lucidchart.com/invitations/accept/41fed265-332f-48f6-b336-ddbc3474c174 | 0 | Value Unknown | | | | Value Unknown | Value Unknown | |
| View | Khawanika | kʰaɰanika | | Diego Olivares | https://docs.google.com/spreadsheets/d/1eMr0igmcK4knpdrab1-FgmaNfK_I6O8MN8luEP5FMwQ/edit#gid=0 | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Nying | Nying | | Kaden Vanciel(u/T1mbuk1, T1mbuk0n3#4817) | https://www.youtube.com/watch?v=pwXALP1V2m0 | 2020 | Value Unknown | | | | Value Unknown | Value Unknown | The conlang was made before I started seeing the videos by Biblaridion, and now that I think about it, I may have ripped-off Oa, but with too many sounds. -_- |
| View | Simatsan | TBA | | Biblaridion | https://www.youtube.com/playlist?list=PL6xPxnYMQpqsooCDYtQQSiD2O3YO0b2nN | 2018 | Speech and writing | | | | A priori | Value Unknown | |
| View | Hnuxhachi | | | u/ThePinkTeenager | https://www.reddit.com/r/conlang/comments/g2ryey/hnuxhachi_the_language_of_aliens/ https://www.reddit.com/r/conlang/comments/g3wtlk/hnuxhachi_the_actual_language/ | 2020 | Value Unknown | | | | A posteriori | Value Unknown | |
| View | Tuki Tiki | tuki tiki | | Ðoom Epictooþ | https://docs.google.com/spreadsheets/d/1XC0_C6riqFJuPdxq6CTOj-5GVjkPi_KwMPPwQv_qyCI | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Aristotelian | (none) | | Thomas Hart Chappell | https://listserv.brown.edu/cgi-bin/wa?A2=ind0507A&L=CONLANG&P=R5591&X=O069B3ABA5F0553EFE2&Y=eldin_raigmore%40yahoo.com | 2005 | Value Unknown | | | | A priori | Value Unknown | |
| View | Goclenian | (none) | | Thomas Hart Chappell | https://listserv.brown.edu/cgi-bin/wa?A2=ind0507A&L=CONLANG&P=R5591&X=O069B3ABA5F0553EFE2&Y=eldin_raigmore%40yahoo.com | 2005 | Value Unknown | | | | A priori | Value Unknown | |
| View | Central Birdish | Vưpcāh Ësiknĵeh | | u/SynthFan | | 2018 | Speech and writing | | | | A priori | Value Unknown | |
| View | Coastal Birdish | Vuopča | | u/SynthFan | | 2018 | Speech and writing | | | | A priori | Value Unknown | |
| View | Upsaclottian | Qax Yë3ov | | u/SynthFan | | 2006 | Speech and writing | | | | A priori | Value Unknown | |
| View | Shuktian | Śuktī | | u/SynthFan | | 2009 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Gulgalir | Gòlgalìrsìah | | u/SynthFan | | 2004 | Speech and writing | | | | A priori | Value Unknown | |
| View | Dot Islandic | Ussu Arenwaq | | u/SynthFan | | 2003 | Speech and writing | | | | A priori | Value Unknown | |
| View | Plymouth | Wjw Vqymčëh | | u/SynthFan | | 2005 | Speech and writing | | | | A priori | Value Unknown | |
| View | Dolphin Islandic | Uaçim Yvudēh | | u/SynthFan | | 2007 | Speech and writing | | | | Mixture | Value Unknown | |
| View | Dot Island Creole | Kréjól | | u/SynthFan | | 2009 | Speech and writing | | | | Mixture | Value Unknown | |
| View | ??? | | | Biblaridion | https://www.youtube.com/playlist?list=PL6xPxnYMQpquwsIRfg0BqJuKUCZEBzQtc | 2019 | Value Unknown | | | | A priori | Considerable Development | |
| View | Fyth | Fyth Hxl | | Alastor Vourmith | https://docs.google.com/document/d/1iy83KFLr5-BGxdoYFEwuSoygJUDuNzRWvsmMXIh5DPQ/edit?usp=sharing | 2020 | Speech and writing | | | | A priori | Considerable Development | Not really sure if it should be classed as "natural" or a "regularized version of a pre-existing alien natural language (in canon universe)" if that makes sense |
| View | Nwaeran | Sgall Nwaergaenith | | Cadewyn Brown | | 2019 | Speech and writing | | | Personal, Conworld, and Geofictional | Mixture | Considerable Development | |
| View | Neziba | | | Jugo Shiga | https://drive.google.com/file/d/1qHNOd0lIlTTD8diS-Z4FGwEnx1m-9JCN/view?usp=sharing | 2019 | Value Unknown | | | | A priori | Considerable Development | |
| View | Nimpyeshiu | Nìmpyèshìu | | Stephen Escher | http://stephenescher.blog/nimpyeshiu/ | 2018 | Speech and writing | | | | A priori | Considerable Development | |
| View | Liyashi | Liyashi | | Stephen Escher | https://stephenescher.blog/portfolio/liyashi/ | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Classical Psetoka | Psetôka | | u/Sirovaticus | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Fremen | | | Frank Herbert | https://dune.fandom.com/wiki/Fremen_language | 1965 | Value Unknown | | | | Value Unknown | Value Unknown | David J. Peterson might be building upon this if he's involved in the upcoming adaptation of Dune. |
| View | Battle language | | | Frank Herbert | https://dune.fandom.com/wiki/Battle_Language | 1965 | Value Unknown | | | | Value Unknown | Value Unknown | He might be doing the same to this as well. |
| View | Bhotani | | | Frank Herbert | https://dune.fandom.com/wiki/Bhotani | 1965 | Value Unknown | | | | Value Unknown | Value Unknown | And this. |
| View | Azhar | | | Frank Herbert | https://dune.fandom.com/wiki/Azhar | 1965 | Value Unknown | | | | Value Unknown | Value Unknown | Maybe this tongue as well. |
| View | Bodrian | | | Frank Herbert | https://dune.fandom.com/wiki/Bodrian | 1965 | Value Unknown | | | | Value Unknown | Value Unknown | Can he handle this one though? |
| View | Chakobsa | | | Frank Herbert | https://dune.fandom.com/wiki/Chakobsa | 1965 | Value Unknown | | | | Value Unknown | Value Unknown | He might build upon dead ones as well, maybe for flashback scenes. |
| View | Koodé | Kudé | | J.Z.Y.X. | | 2019 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Swissen/Cembrian-Crythonic | Zwytzen/Zwei | | u/MrZeasel, u/Urdeu | https://docs.google.com/document/d/18W4qwU3d3gHKpzgVBPVdreealx_XuIEx7Cr9ldqHv_I/edit?usp=sharing | 2019 | Speech and writing | | | | A posteriori | Value Unknown | |
| View | Luitian | Luweszjo | | u/Urdeu, u/MrZeasel | | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Skillimon | Skilina | | u/MrZeasel, u/Urdeu | | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Zugxh | Zuhxmonisha | | u/MrZeasel, u/Urdeu | | 2020 | Other | | | | A priori | Considerable Development | |
| View | Proto-Vunkharri | Vunkharrixa | | Oxy (HowlerOxy#8634) | https://docs.google.com/spreadsheets/d/1d5tlA1U6VzxYxPdbtIWddgzfxwEALdcCUG8iCF5Y7pc/edit?usp=sharing | 2020 | Speech and writing | | | | A priori | Considerable Development | |
| View | Old Eastern Vunkharri | Vunkharri | | Oxy (HowlerOxy#8634) | https://docs.google.com/spreadsheets/d/1d5tlA1U6VzxYxPdbtIWddgzfxwEALdcCUG8iCF5Y7pc/edit?usp=sharing | 2020 | Speech and writing | | | | A priori | Some Development | |
| View | Jotoa | Jotoa | | Issiah Willson (HamuAndGeo) | | 2018 | Speech only | | | | A priori | Value Unknown | |
| View | Gats jotoa | Zotoa | | Issiah Willson (HamuAndGeo) | | 2020 | Speech only | | | | A priori | Value Unknown | |
| View | Davkyin | Shemakai | | Issiah Willson, and Dakota Willson | | 2010 | Speech only | | | | A posteriori | Considerable Development | |
| View | Ken | Ken | | Issiah Willson (HamuAndGeo) | | 2020 | Speech only | | | | A priori | Some Development | |
| View | Akbiekdi | | | Renato Piereck | https://www.angelfire.com/ak/akbiekdi/index.html | 1995 | Value Unknown | | | | A priori | Value Unknown | |
| View | /mɔækŋ/ | /mɔækŋ/ | | Thomas Hart Chappell and Max Kölbl | | 2020 | Speech only | | | | A priori | Value Unknown | Pandu Rendradjaja is our first superfan. |
| View | Old Northern Vunkharri | Vunkharri | | Oxy (HowlerOxy#8634) | https://docs.google.com/spreadsheets/d/1d5tlA1U6VzxYxPdbtIWddgzfxwEALdcCUG8iCF5Y7pc/edit?usp=sharing | 2020 | Speech and writing | | | | A priori | Some Development | |
| View | Proto-Kasarian | Kasarian | | Sakanaka'aro | https://sites.google.com/view/sakanaka-aro/kasarian-family?authuser=1 | 2020 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | Ry ifa Gor | /ʀʏ/ /ɪfa/ /gur/ | | Ragnhild Klepsvik | | 2011 | Speech and writing | | | | A priori | Considerable Development | |
| View | Smah | | | Ragnhild Klepsvik | | 2004 | Speech and writing | | | | A priori | Considerable Development | |
| View | Shidoen | | | Ragnhild Klepsvik | | 2020 | Speech and writing | | | | A priori | Value Unknown | |
| View | Feranerple I | Feranerple | | Vaharamus Galke | | 2011 | Speech and writing | | | Personal | A posteriori | Value Unknown | Aka Feranijie. It's a language which is structured based on my worldviews and idea structure needs. |
| View | Feranerple II | Feranerple | | Vaharamus Galke | | 2016 | Speech and writing | | | Personal | A posteriori | Value Unknown | Aka Feraneshe. It's an alternative way of feranijie, being structured with the magic idea of Moar |
| View | Magilatin | Magilatin | | Vaharamus Galke | | 2010 | Speech and writing | | | | A posteriori | Value Unknown | (Moar) Basicaly latin with special suffixes so that the speaker can cast magic. Language for the world of Moar |
| View | Erisin | Erisin | | Vaharamus Galke | | 2014 | Speech and writing | | | | A posteriori | Value Unknown | (Moar) As magic learnings progress in the world of Moar, another magic language was stablished. Named after the magician Erisin. |
| View | Akirian | | | Vaharamus Galke | | 2015 | Speech and writing | | | | A posteriori | Value Unknown | (Moar) Akirida is like Atlantida in the world of Moar. This is their language |
| View | Phantomilian | Phantomiliana | | Namco | https://klonoa.fandom.com/wiki/Phantomilian_Dictionary | 1997 | Speech only | | | | A posteriori | Value Unknown | (Klonoa) In the worlds of the Klonoa franchise, the inhabitants speak a gibberish-like language based on the Japanese dialogue. |
| View | Namekian Language | Namekian | | Akira Toriyama | https://dragonball.fandom.com/wiki/Namekian_language | 1984 | Speech and writing | | | | A priori | Value Unknown | (Dragon Ball) The Namekian language (ナメック語 Namekku-go, lit. "Language of Namekku") is a fictional language spoken by Namekians, individuals native to Planet Namek. |
| View | Asakan/Monyo | Asakasiafat | | Jupjami L. | https://conworkshop.com/view_language.php?l=ASKA | 2018 | Speech and writing | | | | A priori | Considerable Development | |
| View | Hallowscript | | | u/Anand_G | https://www.reddit.com/r/HollowKnight/comments/clurqj/version_three_of_the_buglang_reconstruction/ | 2019 | Speech and writing | | | | A priori | Considerable Development | (Hollow Knight) Possible interpretation of the language present in the game Hollow Knight |
| View | Bonelord Language | 469 | | Knightmare | https://tibia.fandom.com/wiki/469 | 1997 | Writing only | | | | A priori | Value Unknown | (Tibia) 469 is the Bonelord language. In written form 469 appears as a coded sequence of numbers lacking any punctuation or spacing within the text. |
| View | Dragon Language | Dovahzul | | Emil Pagliarulo, Adam Adamowicz | https://elderscrolls.fandom.com/wiki/Dragon_Language | 2011 | Speech and writing | | | | A posteriori | Value Unknown | (Skyrim) The Dragon Language is the language used in The Elder Scrolls V: Skyrim |
| View | Aurebesh | Galatic Basic | | Stephen Crane | https://starwars.fandom.com/wiki/Aurebesh | 1983 | Speech and writing | | | | A posteriori | Value Unknown | (Star Wars) Aurebesh was a writing system used to transcribe Galactic Basic, one of the most used languages in the galaxy. |
| View | Chaos Language | | | Emi Evans | https://gamefaqs.gamespot.com/boards/168677-nier-automata/75246939 | 0 | Value Unknown | | | | A posteriori | Value Unknown | (Nier, Drakengard 3) Basically supposed to be a take on what language might sound like thousands of years in the future, and combines aspects of different languages. The first Nier game and Drakenguard 3 feature this chaos language. |
| View | Quickestly | Kwiks | | Donotforgetmycode | https://conworkshop.com/view_language.php?l=QUC | 2020 | Speech and writing | | | Personal and Experimental | A priori | Considerable Development | A fusional conlang which can be spoken quickly |
| View | Tuttogezego | Tuttogezego | | Donotforgetmycode | https://conworkshop.com/view_language.php?l=TPD | 2021 | Speech and writing | | | Conworld | A posteriori | Some Development | naturalistic descendant language from Toki Pona, made for a contest |
| View | Houselandic | Haaslentix | | Donotforgetmycode | | 0 | Speech and writing | | | | Mixture | Value Unknown | very very very very very bad |
| View | t·dr·ln·w | | | TauDudeBlobber | https://docs.google.com/spreadsheets/d/1TXAxwct9njUTBwCoGgae62bu8c1DWGyruWweaub8zJY/edit?usp=sharing | 2020 | Speech and writing | | | | Mixture | Value Unknown | |
| View | ènaji [ænaji] | ænaji | | Fideh ATP (fojåt) | | 2008 | Speech and writing | ænaji | | Personal, Philosophical, and Spiritual/Mystical/Ritual | A priori | Considerable Development | |
| View | Keinevian | Kijnołaarst | | Ferno Dude | https://tinyurl.com/Keinevian-Language | 2020 | Speech and writing | | | | A posteriori | Considerable Development | |
| View | Coutani, Sietelask, Sirav | Còutan, *others unknown* | | Ferno Dude | https://docs.google.com/document/d/1MwhBtEvgi-Rudlz8syCFbU4mpV1fwIplrtSTcx6liPQ/edit?usp=sharing | 2020 | Speech and writing | | | | A priori | Some Development | |
| View | Noulayian | Nŏlaē | | Mystic (Ronim Tnediser) | | 2021 | Speech and writing | Latin extended | Tnedi Conworld | Personal and Experimental | Mixture | Some Development | Proto-language will be reconstructed from multiple descended language that are still in the making. |
| View | Dramla /dram.la/ | Dramla /dra:.mla:/ | | Mystic (Ronim Tnediser) | | 2020 | Speech only | Latin, Dramla hand scipt | Dramla Universe | | A posteriori | Value Unknown | Tense conveyed though nouns alone |
| View | Höiatlöö | | | kistecool | | 2020 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | Misciwa | | | kistecool | | 2020 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | Pqoltuvialli | | | kistecool | | 2020 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | Common Trans-Apatu | | | kistecool | | 2020 | Speech and writing | | | | Value Unknown | Value Unknown | |
| View | Proto-Arruhyan | Arruhyan
and Arruanmetu (From Classical Arruan? or Arruanbachu?) | | R. P. | | 2020 | Speech only | | Proto-Ntuarrua'an | Conworld | A priori | Some Development | Based on Austronesian languages, with Austronesian alignment |
| View | efficient conlang (temporary name) | n/a | | Marken Angel | https://docs.google.com/spreadsheets/d/1mgD-0lqVcyqfiJTrXH5e7jCfcbcfVNmDB8tP4AeEWQ4/edit?usp=sharing | 2020 | Speech and writing | | | | A priori | Considerable Development | doesn't, and never will, have any "real" verbs |
| View | Paü | | | Aritra Sarkar | https://drive.google.com/file/d/11X-KgGdPSjlVEzVALFyYGaSNdkMPrIpD/view?usp=drivesdk | 2020 | Speech and writing | Latin | Indo_Aryan | Personal | Mixture | Some Development | |
| View | Yaltinan | Jaltinas Toku | Ylt | Tark (Discord: Tark#5637) | https://docs.google.com/spreadsheets/d/1KTGMW02pZj9XgGlHjvKEQbWkk5QMPRnV165XpwWWs8U/edit?usp=sharing | 2021 | Speech and writing | Yaltinan script | Chashilo-Yaltinan languages | Personal and Conworld | A posteriori | Considerable Development | |
| View | Proto-Chashilo-Yaltinan | | PCY | Tark (Discord: Tark#5637) | https://docs.google.com/spreadsheets/d/1KTGMW02pZj9XgGlHjvKEQbWkk5QMPRnV165XpwWWs8U/edit?usp=sharing | 2020 | Speech and writing | Proto-Chashilo-Yaltinan alphabet | Chashilo-Yaltinan languages | Conworld | A priori | Some Development | |
| View | Chashilan | Casilis Doḡu | Csl | Tark (Discord: Tark#5637) | https://docs.google.com/spreadsheets/d/1KTGMW02pZj9XgGlHjvKEQbWkk5QMPRnV165XpwWWs8U/edit?usp=sharing | 2020 | Speech and writing | Chashilan alphabet | Chashilo-Yaltinan language family | Personal and Conworld | A posteriori | Some Development | |
| View | Ydzan | yd zan | Ydz | Tark (Discord: Tark#5637) | https://docs.google.com/spreadsheets/d/13zUVNPlWZBp0esCEzAzL0VajPakkvBFgLKT3MTFZZKE/edit?usp=sharing | 2021 | Speech and writing | | | Personal, Conworld, and Experimental | A priori | Some Development | |
| View | Mynleithyg | | | u/acaleyn | | 2019 | Speech and writing | | Celtic
and | Other | A posteriori | Some Development | |
| View | Ulim | LiÛlim | ULM | Lohê | | 2020 | Speech and writing | | Gato
and Ulimxeri | Story-based and Conworld | A priori | Sketch/Minimal | |
| View | Shilgngí | Xilgqí | | Matthew McVeagh | http://matthewswiki.pbworks.com/w/page/141017400/Shilgng%C3%AD
and https://conworkshop.com/view_language.php?l=SHILG | 2020 | Speech and writing | Latin | | Personal and Experimental | A posteriori | Sketch/Minimal | An attempt to see what a language with the 'opposite' or most different grammar to English would be like, using English phonology and lexis but a new orthography. |
| View | Classical Āirumāli | Āirumāli Dahāvrines | | Hālian | Overview | 2014 | Speech and writing | Āirumāli; Pranish; Xylphika | Safir Alliance | Conworld and Xenolang/Alien | A priori | Some Development | |
| View | Proto-Térevo | Térevo | | Yoshimidsu | | 2020 | Speech and writing | early logography via glyphs | Aakiuru
and Térevo | Conworld | A priori | Some Development | Térevo = tére “here” + vo “tongue”
A direct descendant of Proto-Aakiuru, inspired by Hellenic. |
| View | Hajara | | | Tanya Stewner | https://alea-aquarius.fandom.com/de/wiki/Hajara
, https://de.wikipedia.org/wiki/Konstruierte_Sprache#Bekannte_Beispiele
, https://de.wikipedia.org/wiki/Tanya_Stewner#Alea-Aquarius-Reihe | 2015 | Speech and writing | | | Story-based | Value Unknown | Value Unknown | |
| View | Interkosmo
, Galakto
, and Intergalakto | | | K. H. Scheer
and Walter Ernsting | https://www.perrypedia.de/wiki/Interkosmo | | Speech and writing | | | Story-based and Conworld | Value Unknown | Value Unknown | |
| View | Arkonide | Satron | | K. H. Scheer
and Walter Ernsting | https://www.perrypedia.de/wiki/Satron | | Speech and writing | | | Story-based and Conworld | Value Unknown | Value Unknown | |
| View | Lüziv
and Léwzeyē | Léwzeyē
, Léwzeyē
, Léwzim
, Lųzęyǫ'
, Lüzíomō
, Lüzíomō
, Luzüs
, Lüzív
, Lówzeyē
, Lówzeyē
, and Lǿwzim | | Tom Patterson | | | Speech only | | Indo-European
and | | A posteriori | Some Development | |
| View | Rílin | Rílin | | Margaret N. Ransdell-Green | http://aeniith.com/rili/language.html
and https://linguifex.com/wiki/R%C3%ADlin | 2005 | Speech and writing | Rílin alphabet | | Conworld | A priori | Considerable Development | |
| View | Lakkathan
and Lakkalic | Lak'ata menæ | | Qash/Qazh/Qazhshava | | 2020 | Speech and writing | Latin, Cyrillic | Isolate | Story-based | Mixture | Considerable Development | as my first conlang it isnt very creative in grammar |
| View | Inuk Taan | | | Jan Staubach | https://www.youtube.com/watch?v=PKU_W2ikN_Y | | Speech and writing | | | Personal | Value Unknown | Value Unknown | Presented during dLCC 2021 Relay 1
Distinguishing features: time is marked on noun phrases instead of verbs |
| View | Czongwa | čoñwá | | Koppa Dasao | https://1drv.ms/w/s!Auvef_IbfeSqkuhKCxMGKWigLLOUzg?e=BPbXcq | 2016 | Writing only | | | Conworld | A priori | Sketch/Minimal | |
| View | Zhonlang | ҫҩнłањ | | Koppa Dasao | https://1drv.ms/w/s!Auvef_IbfeSqkuhKCxMGKWigLLOUzg?e=BPbXcq | 2016 | Writing only | | | Conworld | A priori | Sketch/Minimal | |
| View | Muntwa | Muntwa | | Daniel Newell | | 2021 | Speech and writing | Latin, with diacritics | | Zonal Auxiliary | A posteriori | Some Development | |
| View | Avendonian | Avendoniano | | S. C. | https://linguifex.com/wiki/Avendonian
, https://t.me/vorti_avendoniani
, https://pastebin.com/vdq4pvXV
, https://linguifex.com/wiki/Category:Avendonian_words | 2015 | Speech and writing | Latin | Indo-European
and Germanic | Personal, Geofictional, and Alternate History | A posteriori | Learners | |
| View | Cet | Cet | | L. J. Rotfels | https://t.me/CetCademy
, https://micronations.wiki/wiki/Cet
, https://t.me/CetUpdate | 2016 | Speech and writing | Latin | Indo-European
and Germanic | Personal and Other | A posteriori | Learners | |
| View | Siwa | Siųa | | Étienne L. Poisson | A Descriptive Grammar of Siwa and Siwa Lessons | 2005 | Speech and writing | Latin, Tṡebġeka | First Nations | Personal, Geofictional, and Other | Mixture | Well-developed | Possibly the most thorough description of a conlang out there. |
| View | Riliano, Rilianikainal | Rilianikainal, Rilĭanikainal | | Eufalesio | https://www.youtube.com/playlist?list=PLQ5pD2nv9Hq8jCVt4iApItV0B-7NSlmKW | 2017 | Speech and writing | Rilianikainal script | | Conworld | A priori | Considerable Development | |
| View | Thosk | Thosk | | Dean Easton | https://thosklanguage.wordpress.com/ | 1993 | Speech and writing | | | Personal and Alternate History | A posteriori | Considerable Development | |
| View | Langvaje
and Lingwajo | Langvaje
and Lingwajo | | Matthew McVeagh | http://matthewswiki.pbworks.com/w/page/140812593/Langvaje | 1983 | Speech and writing | Latin | Esperantidos | Personal and Global Auxiliary | A posteriori | Some Development | A typical first conlang, a reworking of Esperanto. |
| View | Old Bariqnian | E Baraniqi | | Windex#8241 | https://docs.google.com/spreadsheets/d/12cX7LFdGMk-D0lNt-_URqqzyVXf2c73EFEBat62psIo/edit?usp=sharing | 2020 | Speech and writing | | | Personal | A priori | Considerable Development | |
| View | Zajai | (Ne)zrajai | | Myka Motley | Proto: https://docs.google.com/spreadsheets/d/1bMQBziMv96k7MOISG4I6D3MtiHPhdd7gb05E2bbGNK8/edit?usp=sharing
,
, https://docs.google.com/spreadsheets/d/1Oy-t_oZM34fMfpYNV70bWwPpMVr4MniToPy9QJYhfSA/edit?usp=sharing | 2019 | Writing only | 3 | | Personal and Conworld | A priori | Some Development | |
| View | Kínízi | Kíndaj | | atomicdog | https://docs.google.com/spreadsheets/d/1KM4Uv_J_dzn4lFpbI0oQHqd_J_IbLRvw5e28kyUcE6Y/edit?usp=sharing | 2021 | Speech and writing | Nísa (abugida(WIP)) | Shísa-Shísa | Conworld | Other | Some Development | conlang in (WIP) conworld |
| View | Devra | Devra | | Dean Easton | https://sovermia.org/devra-our-language/ | | Speech and writing | | | Personal and Geofictional | A posteriori | Considerable Development | Proto-Indo-European, Esperantized |
| View | Miapimoquitch | Tepa [tɨβa] | | Dirk Elzinga | | 1995 | Speech and writing | | | Personal, Geofictional, and Alternate History | A priori | Considerable Development | |
| View | Shemspreg | Shemspreg | | Dirk Elzinga | | 1997 | Speech and writing | | Indo-European | Personal, Jokelang, and Zonal Auxiliary | A posteriori | Well-developed | |
| View | Lāmankatóa | Lāmankatóa | | Dirk Elzinga | | 2011 | Speech and writing | | Uto-Aztecan | Story-based and Other | A posteriori | Well-developed | |
| View | Hewrit | Hewrit | | Dirk Elzinga | | 2011 | Speech and writing | | Uto-Aztecan | Story-based and Other | A posteriori | Well-developed | |
| View | Ish
and | ix
and ix-taka | | Stefan Storm | https://sites.google.com/view/ish-toko/home | 2020 | Speech and writing | romance | English creole | Pseudo-Auxlang and Conpidgin | A posteriori | Some Development | |
| View | Asbakhi | Аꞅбакһᴧ | | Robert A. Bolton | | 2020 | Speech and writing | Ascalon Script | | Personal | Mixture | Considerable Development | |
| View | Duqalian | Duqaltaq | | TheBr1lliantface | | 2021 | Speech and writing | Duqalian alphabet | Duqalian languages (only survivor) | Conworld | Value Unknown | Considerable Development | |
| View | Vrkhazhian
and | Śād Warḫālali
and Śātti | VU | Malcolm G Holborne (Ahzoh) | https://www.frathwiki.com/Vrkhazhian | 2014 | Speech and writing | | | Conworld | A priori | Considerable Development | Possesses "triconsonantal root" morphology. |
| View | PataKasa | PataKasa | | Zeke Foxheart | | 2019 | Speech and writing | | Music conlang | Pseudo-Auxlang and Other | Value Unknown | Considerable Development | PataKasa is a musical conlang that tries to be an auxlang due to its minimalism. |
| View | Lzo | Lzo | | Zeke Foxheart | | 2019 | Speech and writing | | | Logical and Experimental | Other | Sketch/Minimal | The amount of phonemes in Lzo is gigantic and the font is complex yet featural. |
| View | Kea | Kea | | Owen Henry | https://docs.google.com/document/d/16F-onYmqNDCM0lZiR7mP5QxG6XRuuvkuyioAQTCHcmU/edit#
and https://youtu.be/hBAu6BcH1d4 | 2020 | Speech and writing | Kea | Kea | Conworld and Xenolang/Alien | A priori | Considerable Development | A language made for the World of Aē |
| View | Geileg
and Gailic | Geddleg
, Geddleck
, Geileg
, and Guyleg | | M. de Barún | | 2020 | Speech and writing | 1 | Gaelic
, Celtic
, and Indo-European | Personal, Geofictional, and Alternate History | A posteriori | Some Development | Gaelic Celtic language closely related to Irish with influence from Icelandic and English. |
| View | Old Vrios | Vriifos
and Debûûṫ Vriifos | | M. de Barún | | 2019 | Speech and writing | | Vrios
, Southern Vrios
, and Southeastern Vrios | Personal, Conworld, and Geofictional | A priori | Well-developed | |
| View | Kfatur | Kfatyr | Kf | Gnezhahloki- (u/KatiaOrganist) | None as of now | 2021 | Speech and writing | Latin + [þ] & [ð] | None | Personal, Spiritual/Mystical/Ritual, and Secret | Value Unknown | Sketch/Minimal | This language is specifically so that I don’t alwayd have to speak English, despute it being my native language. |
| View | Vrios | Vríos
, Vríos Pitiru
, and Debuiþ Vríos | | M. de Barún | | 2013 | Speech and writing | 1 | Debuian Vrios
, Southeastern Vrios
, Southern Vrios
, and Greater Vrios | Personal, Story-based, Conworld, and Geofictional | A priori | Considerable Development | |
| View | Elekrith-Baalig
and EB | Elekrith
and Baalig | | M. de Barún | | 2019 | Speech and writing | 1 | Palician | Personal, Story-based, Conworld, and Geofictional | A priori | Some Development | |
| View | Elegriv | Elegriv | | M. de Barún | | 2013 | Speech and writing | 3 | Ubramon
and Palician | Personal, Story-based, Conworld, and Geofictional | A priori | Sketch/Minimal | |
| View | Ballesian
and Ballezhag | Ballezhag
and Odbra | | M. de Barún | | 2013 | Speech and writing | 3 | Odbramon
and Palician | Personal, Story-based, Conworld, and Geofictional | A priori | Sketch/Minimal | |
| View | Ksi | Ksi
and Mbaʻkakʻilo | | M. de Barún | | 2019 | Speech and writing | 1 | Kitian | Personal, Story-based, Conworld, and Geofictional | A priori | Some Development | |
| View | Kichme | Kichme
and Mepayakame | | M. de Barún | | 2020 | Speech only | 0 | Kitian | Personal, Story-based, Conworld, and Geofictional | A priori | Sketch/Minimal | |
| View | Ksi-Vrios Creole | Ivah Zilu
and Ivazilu | | M. de Barún | | 2020 | Speech only | 0 | Creole | Personal, Story-based, Conworld, and Geofictional | A priori | Sketch/Minimal | Creole formed from the Ksi and Vríos languages. |
| View | Savella | Savella
and Scokkot | | M. de Barún | | 2019 | Speech and writing | 7+ | Conlang | Personal, Story-based, Conworld, and Geofictional | A priori | Sketch/Minimal | In-world conlang created as a lingua franca. |
| View | Gushoyo | Oratsit Gushoyo
and /orat͡sit guʃojo/ | | Sal The Man | when its ready | 2021 | Value Unknown | | | Conworld | A priori | Sketch/Minimal | still in early development |
| View | HyperPirate | İáháháhó-Ʌ́ɻɻ | | Robert Cole (Agma Schwa)
and Ætérnal | https://www.nguh.org/languages/hyperpirate | 2021 | Speech and writing | | | Jokelang, Conworld, and Other | A priori | Considerable Development | |
| View | Korsek | Korsek | | Ethan Wright | https://docs.google.com/document/d/1_JQEVX7n6Cr1CF0Qg0VwUlesEzod6-NWbkkfGD9aYrI | 2020 | Speech and writing | Greek, Korsek | | Conworld | Mixture | Considerable Development | |
| View | Marksprek | Marksprek | | Cosmonaut Kitten | https://homebrewery.naturalcrit.com/share/1p7mCm4ooHD8-QXvAlIbsjpbmrwrrM-Af1lBsjmgTCguu | 2019 | Speech and writing | Latin, Marksprek Runic | | Conworld, Zonal Auxiliary, and Other | Mixture | Considerable Development | Marksprek is a constructed trade language, designed to be a simple, regular, easy to learn, and most importantly, fun language for use in a Dungeons and Dragons campaign. |
| View | Seissires | Seissipes | | TJA | | 2020 | Speech and writing | Latin-ish | | Personal and Experimental | Other | Some Development | AГ*ςEFY*I*XLMNOЧ*PSTV****
*= missing letter
Alphabet is in order of the English alphabet |
| View | Agēre | Agēre | | James Brown (Narandil) | Overview | 2020 | Speech and writing | | Birasne Feor (Proto-Birasne)
, Fiðasan (Proto-Mekalic)
, and Nivie | Personal and Conworld | A priori | Well-developed | |
| View | Monelic | Elík | | Alessio "Malo" Termini | http://bit.ly/2ZnHzwY
, www.instagram.com/malo.elik/
, www.facebook.com/malo.elik/ | 2002 | Speech and writing | | Greek based conlang | Conworld, Geofictional, and Alternate History | A posteriori | Learners | Conlang of about 9.000 words, it derives from Ionic dialects of Ancient Greek mixed with ancient Celtic languages and ancient as well as modern Romance languages. |
| View | Onqlish | Ȧᵹlıꞅc | | Kayinth(formerly Mondigu) | https://www.youtube.com/watch?v=JtZl82xCvx0 | 2020 | Speech and writing | insular | | Alternate History, Spiritual/Mystical/Ritual, and Other | A priori | Value Unknown | Seeing the conlang showcase for this one, you could fill in the gaps and correct some errors I left behind. |
| View | Bir ʔip ʔił | Bir ʔip ʔił | | Käntwo | https://youtu.be/4Hz-h0SEhwQ | 2021 | Speech and writing | | | Personal, Story-based, and Conworld | A priori | Value Unknown | Käntwo will probably explain more about Bir ʔip ʔił if you ask him. |
| View | Alpine Neptune | Bjark'ümii | | Lichen | https://www.youtube.com/watch?v=6Opouq1zsYE
and https://www.youtube.com/watch?v=9_YBe0P3HsU | 2020 | Speech and writing | | | Personal, Story-based, and Conworld | A priori | Value Unknown | I wonder what kinds of changes/corrections Lichen would suggest if he was to see how I submitted his lang. |
| View | Raieming | Raieming | | Donotforgetmycode | https://conworkshop.com/view_language.php?l=RAIM | 2021 | Speech and writing | Latin Alphabet | | Personal and Experimental | A priori | Some Development | |
| View | Käntwo | Käntwo | kaentwo | Palitar17/Käntwo | | 2018 | Speech and writing | 2 | | Personal, Story-based, Conworld, and Spiritual/Mystical/Ritual | Mixture | Well-developed | |
| View | ǂA ɳṵĩ | ǂa ɳṵĩ | | Cancrizans | https://cancrizans.github.io/first-words/book/main.pdf | 2020 | Speech and writing | Latin | | Personal and Other | A priori | Considerable Development | |
| View | Senah | Σενὰτ | | Squid Crady | Reddit | 2020 | Speech and writing | Greek alphabet | | Personal and Alternate History | Mixture | Some Development | |
| View | Hylsian | Hulca | | kalathei95 | https://cals.info/people/1090/
and https://cals.info/language/hylsian/ | | Speech and writing | | Hylsian Languages | Personal, Story-based, and Conworld | A priori | Learners | |
| View | Slovenitian | Zlovenitan | ZVT | MASKJO | | 2020 | Speech and writing | | | Ideal | Other | Well-developed | What if Slovenian was a romance language... Slovenitian.
A language based on ancient Italian, Venetian, German and Slovenian |
| View | Elandian
, Elonds
, Эландский
, and Еландська | Ёlonds
and Ёlondsä | EL | Santolege (Alshevsky Alexander) | https://www.facebook.com/vaaktarie
, https://u.nu/elandian
, https://vk.com/vaaktarie | 1998 | Speech and writing | Latin | Germanic | Personal, Story-based, Conworld, Geofictional, Alternate History, and Secret | Mixture | Considerable Development | |
| View | Kiba | Kiba | KB | Croissanttime | https://www.reddit.com/r/conlangs/comments/k4djep/the_strange_declension_of_kiba/
and https://www.reddit.com/r/conlangs/comments/k50n4k/kiba_declension_complex_words/ | 2018 | Speech and writing | Latin | | Other Auxiliary and Experimental | A priori | Well-developed | Kiba is a simplistic language meant to experiment with consonantal roots to make an easy-to-learn conlang. |
| View | Classical Kanāniku | Kanāniku | | Jonathan Van Buuren | | | Speech and writing | | | Story-based | A posteriori | Considerable Development | |
| View | Abhanni | Ábḫanni | | Jake Huryn | https://linguifex.com/wiki/%C3%81b%E1%B8%ABanni
, https://conworkshop.com/view_language.php?l=ABN
, https://www.reddit.com/r/conlangs/comments/evegxv/%C3%A1b%E1%B8%ABanni_some_phonology_and_morphophonology/ | 2017 | Speech and writing | Latin | | Personal and Other | A priori | Some Development | |
| View | Almalinë | | | Bryant K. | https://www.angelfire.com/empire/almaline/front.html | 2002 | Speech and writing | Almalinë Writing System | | Conworld | A priori | Considerable Development | |
| View | Almaqerin | Tyesed an Almaq | | Didier Willis | http://web.archive.org/web/20091019195127/http://geocities.com/Area51/Cavern/9443/akerin01_uk.html
and https://github.com/Omikhleia/omikhleia-sile-packages/blob/main/examples/dict-aq-fr.pdf | 1995 | Speech and writing | Chadhruid, Chadráve | | Conworld | A priori | Some Development | |
| View | Mainland Arlandian
and Arlandian | Arlandii
, Aṡian
, and Aṡian Spreag | | helsy f | Reference grammar , Vocabulary , | 2017 | Speech and writing | Arlandian, Latin | Germanic
and Arlandian | Story-based, Conworld, Geofictional, and Alternate History | A posteriori | Considerable Development | |
| View | Northern Arlandian | Nordij
and Sajrij Aspreag | | helsy f | Reference grammar and Vocabulary | 2017 | Speech and writing | Arlandian, Latin | Germanic
and Arlandian | Story-based, Conworld, Geofictional, and Alternate History | A posteriori | Some Development | # Reviewer's note: the Reference Grammar link is the same as the Vocabulary link, this should be fixed asap. # |
| View | Adorian | Adoriāo | ad | Lucas Souza | | 2018 | Speech and writing | | Proto-Adorian (isolate) | Personal, Story-based, Conworld, and Alternate History | A priori | Considerable Development | The reference documents are wip. |
| View | Aingeljã | Aingeljã | | Ángel Serrano Sánchez de León | http://www.aingelja.es | 1992 | Speech and writing | Latin with accents | Language Creation Society | Personal | A posteriori | Considerable Development | A Romance-based conlang between Spanish and Catalan |
| View | sjñwha | sjñwha | | aids mcbaids | https://docs.google.com/document/d/1_V8HPyAJeafx8JUXCp6mpWP5aT5tCb1YGGkRnkF3XXY/edit?usp=sharing | 2021 | Speech and writing | | | Jokelang | Mixture | Sketch/Minimal | The reference document is missing vocabulary. |
| View | Pmitxki | Pmitxki | | Pmitxki | https://www.youtube.com/watch?v=In_U5FED4Wg | | Speech and writing | Pmitxki alphabet | | | Value Unknown | Value Unknown | I can't find very much information about this conlang. |
| View | Kallia | | | Saeryen Kalador | Main Page | | Speech and writing | Kallia Alphabet | | Other | Value Unknown | Some Development | Invented for use in songs. |
| View | Tuakoyan | 人吖语
and Tuayata | TUAK | dedu | Main document | 2019 | Speech and writing | Hanzi, Latin | Tuakoyan
, Continental
, and Modern Tuakoyan | Personal and Alternate History | Mixture | Some Development | Moods are Indicative, Subjunctive, Potential, Imperative, Conditional, and Interrogative. Three genders: masculine, feminine & neuter, which take the suffixes [+tone], -∅, and -k respectively (e.g., tuá tua tuak). |
| View | Diddlydonk
and Donklish language | diddendokke | | THEDONKLER/ Daryl Anonymous | Work In Progress | 2019 | Speech and writing | 'variantized' alphasyllabary | | Conworld | A priori | Some Development | |
| View | Aedian | Aedibas | | Carl Avlund | | 2020 | Speech only | | Kotekko-Pakan | Conworld | A priori | Considerable Development | |
| View | Velvetín | Velvetín | | Velvet (Laliloli_22#2878) | Server (warning: Spanish/Velvetín server) | 2020 | Speech and writing | Latin with accents | | Jokelang, Lostlang, Secret, and Other | A posteriori | Some Development | Jokelang created and spoken in the El Reto Imposible Discord server (Spanish server). The vocabulary is made up of Spanish words for desserts. Work In Progress. |
| View | Cat language | Mêw wu | | AnanasHuman | | 2021 | Speech and writing | | | Jokelang | A priori | Value Unknown | No reference document available. |
| View | gan Minhó
, Minhó
, and lang15 | gan Minhó | mnh | Mareck | | 2019 | Speech and writing | sa Mnnga gan Minhó | | Conworld | A priori | Well-developed | Documentation is work in progress. |
| View | Ijal | | | Caleb | | 2021 | Speech and writing | | | Personal, Conworld, Secret, and Other | A priori | Sketch/Minimal | |
| View | Naesan Creole | Inglis xis ykriol | IXY | NosseSosse | | 2021 | Speech and writing | Latin | Germanic Creole | Personal, Geofictional, and Conpidgin | A priori | Well-developed | It is an english based Creole that forfeits naturalism in order to be easily translatable from english with only about a page or two worth of information read. |
| View | Jasyk | Jasyk | | Vojta L. | Main Document | 2014 | Speech and writing | Latin, Cyrillic | | Personal | A priori | Well-developed | The reference document is in Czech and English. |
| View | Majaz
and Western and Southern Asia Auxillary Language | Majaz
and Maghrebi or Junoobi Ashya Aksillari Zabaan | | Ali Effendi al-Khataei (Discord ID: al-khataei#0660) | Main Page | 2021 | Speech and writing | Latin, Perso-Arabic, Devanagari, Cyrillic | | Zonal Auxiliary | A posteriori | Considerable Development | The languages it is influenced from are Arabic, Azeri, Bengali, Croatian, Georgian, Greek, Hindi, Marathi, Persian, Serbian, Turkish and Urdu. Contact me on Discord if you want to contribute. |
| View | Kumyuk | Kçyümyük | kcy | Audun Meyer | | 2020 | Speech and writing | Kçyümyükdym Kelsziveg | Küshöm | Conworld | A priori | Considerable Development | Well-developed proto-language to be developed into multiple daughter languages. |
| View | Proto Ffiliki | Nominococi Ffiliki | PFF | N3ðer | https://conworkshop.com/view_language.php?l=PFF | 2019 | Speech and writing | | | Story-based and Conworld | A priori | Some Development | |
| View | Tenok | 帝荷言 | TBK | Leonardo Sillim | https://conworkshop.com/view_language.php?l=TBK
and https://tenok.fandom.com/wiki/Tenok_Wiki | 2019 | Speech and writing | Hanabi (Hanzi), Manabi (Hangeul) | Usomantic
and proto-Tenok | Global Auxiliary | A priori | Some Development | |
| View | ɛpmqp'monp'z | ɛpmqp'monp'z | | the weird kid | | 2020 | Speech and writing | non yet | yukýuñükýüwonäpüz family | Conworld | A priori | Some Development | |
| View | Chowolian | Thowotileman | | Unknown | https://chowolian.onuniverse.com | 2020 | Speech and writing | Latin script + Some greek letters | Gaelic + Germanic + European | Personal, Experimental, and Other | Mixture | Value Unknown | Conlang made by micro-nation "chowolia" so people could communicate. Chowolia closed in June 2021 but the language file got saved. You can view the Chowolian Government website at: Chowolia.com |
| View | Golturke | insänüdil | | Vordaki | https://docs.google.com/spreadsheets/d/1A2Keh2bXHHaX8pcgcGJxCTT14co678hjJocE7kEwMXU/edit?usp=sharing | 2020 | Speech and writing | Latin, Cyrillic | | Personal, Conworld, and Alternate History | Mixture | Some Development | Small vocab but im still expanding |
| View | Baozen | Bagačo | | Twiznii | | 2021 | Speech and writing | Baozen Script | Čeaganic | Personal, Story-based, Geofictional, and Alternate History | Mixture | Some Development | |
| View | Thachu
and Hachu | þaču
and hachu | | TapCat | https://docs.google.com/document/d/1oKgB4Y54sYc62dgQOYOw4WMSIraG-bJ3roQi79fN_Tg/edit?usp=sharing | 2021 | Speech and writing | Latin | | Personal | A priori | Some Development | anything else |
| View | Letanis | letanis | | Thomas Heller | https://tmh.conlangs.de/letanis/ | 2020 | Speech and writing | Latin | | Philosophical, Logical, and Experimental | A priori | Some Development | If you have any questions about the submission/language, you can contact me at: thomas.m.heller@gmail.com 🙂 |
| View | Moorinian | T'udarijs | | Myself, u/Blackbird_Sasha | | 2021 | Speech and writing | | Pradothian nativa languages, Group A ( Moorinian, to a certain degree Moorinic, Lopol) | Conworld | A priori | Some Development | |
| View | Tsi'yn | Tsi'yn | TSY | Alessandro Z. | | 2021 | Speech and writing | | Sjutink | Personal and Conworld | A priori | Considerable Development | The conworld it is in is currently in the sketch/minimal phase. |
| View | Proto-Areno-Ghuissitic | | PAG | Jyappeul | | | Speech and writing | Proto-Areno-Ghuissitic | Areno-Ghuissitic | Conworld | A priori | Value Unknown | |
| View | Sanavran | Sanavran | | Megan Watson | | 2009 | Speech and writing | Nuval | | Personal and Conworld | A priori | Considerable Development | Personal/artlang also being being used in an audioplay. |
| View | Sekanese | Tsekanaz'
and Tsekanazǝ | TK | | | 2019 | Speech and writing | Pfatthetsyu | Giworlic
and Sekanic | Conworld | A priori | Well-developed | |
| View | Norian | Noriano | NOR | J.P. Iglesias | | 2020 | Speech and writing | | Igean Languages | Story-based and Conworld | A priori | Considerable Development | |
| View | ȷen̂ʊlyɣȷuʊpyʊllaa-oa
and ȷen̂ʊlyɣȷuʊpyʊllın | J̇eɹŋl̇ɣ̇yẇpɣłłáɐ̂ɑ̀ | Jje | XVYQ | | 5521 | Speech only | | | Personal, Jokelang, Conworld, Xenolang/Alien, Global Auxiliary, and Other | Other | Sketch/Minimal | My first jokelang. In-universe it was jokelang until it ended the IAL war on its planet and becaming IAL by itself. |
| View | Emperatorın | emperatorın | Emp | XVYQ | Dictionary (in Polish) | 5512 | Speech and writing | | | | A priori | Value Unknown | |
| View | Aczu Śavnecze
and Aśan | Aczu Śavnecze | | Zeidra Senester | http://senesterium.conlang.org/index.php/en/asb/7-asb-en
and https://www.youtube.com/watch?v=MQqY8X-kbqA | 2018 | Speech and writing | Aśan Futharkıs (alphabet) | | Story-based, Geofictional, and Spiritual/Mystical/Ritual | A priori | Value Unknown | |
| View | Epigean
and (Dryadic) | Khalradre y Nepiťİ | | Zeidra Senester | http://senesterium.conlang.org/index.php/en/epg/9-epg-en | 2019 | Speech and writing | HyťArki y Nepiťİ-li (alphabet) | | Story-based, Geofictional, Spiritual/Mystical/Ritual, and Secret | A priori | Considerable Development | |
| View | Nomuli | Nomuli | | Mustafa Kaptan | https://nomuli.com | 2002 | Speech and writing | Latin and Nomuli alphabets | | Other Auxiliary, Philosophical, and Other | Mixture | Considerable Development | |
| View | A universal Language | A universal Language | | J. Ruggles | | 1829 | Value Unknown | | | Global Auxiliary | Mixture | Value Unknown | A universal Language,A universal Language,J. Ruggles,Web Source,1829,x,x,International,Mix,Starter |
| View | Adelfeal Lingw | | | A. Kovalyev | | 1912 | Value Unknown | | | | Value Unknown | Value Unknown | Adelfeal Lingw,,A. Kovalyev,,1912,,,,, |
| View | Adjuvanto | | | Louis de Beaufront | | 1896 | Value Unknown | | | | A posteriori | Value Unknown | Adjuvanto,,Louis de Beaufront,Web Source,1896,x,x,x,A Posteriori,Value Unknown |
| View | Aeo | | | J. Tegire | | 2003 | Value Unknown | | | | Value Unknown | Value Unknown | Aeo,,J. Tegire,,2003,,,,, |
| View | Afata Dili | | | David J. Peterson | | 2017 | Value Unknown | | | | A priori | Value Unknown | Afata Dili,x,David J. Peterson,Web Source,2017,x,x,x,A Priori,Value Unknown |
| View | Agronova | Agronova | | Ali Burkay Küçükakça | | 2015 | Value Unknown | | | | A priori | Value Unknown | Agronova,Agronova,Ali Burkay Küçükakça,Web Source,2015,x,x,Art,A Priori,Starter |
| View | alevato | alevato | | S. P. Andrews | | 1862 | Value Unknown | | | | Value Unknown | Value Unknown | alevato,alevato,S. P. Andrews,Web Source,1862,x,x,x,Value Unknown,Value Unknown |
| View | Aliq | | | R. P. G. Vallaeys | | 1930 | Value Unknown | | | | Value Unknown | Value Unknown | Aliq,,R. P. G. Vallaeys,,1930,,,,, |
| View | AllNoun | | | T. Breton | | 1990 | Value Unknown | | | | Value Unknown | Value Unknown | AllNoun,,T. Breton,,1990,,,,, |
| View | Altayko (Esk) | | | M. Sondahl | | 1913 | Value Unknown | | | | Value Unknown | Value Unknown | Altayko (Esk),,M. Sondahl,,1913,,,,, |
| View | Alteutonik/Altutonish | Altötonisch | | E. Molee | | 1915 | Value Unknown | | Cermen | | Value Unknown | Value Unknown | Alteutonik/Altutonish,Altötonisch,E. Molee,,1915,,Cermen,,, |
| View | Altuta | | | C. Ternest | | 1951 | Value Unknown | | | | Value Unknown | Value Unknown | Altuta,,C. Ternest,,1951,,,,, |
| View | Altutonish | | | E. Molee | | 1911 | Value Unknown | | | | Value Unknown | Value Unknown | Altutonish,,E. Molee,,1911,,,,, |
| View | American Language | American Language | | E. Molee | | 1888 | Value Unknown | | | | A posteriori | Value Unknown | American Language,American Language,E. Molee,Web Source,1888,x,x,x,A Posteriori,Value Unknown |
| View | Amiana | | | P. Stojan | | 1922 | Value Unknown | | | | Value Unknown | Value Unknown | Amiana,,P. Stojan,,1922,,,,, |
| View | Amxrikai Spek | | | R. O. Foulk | | 1937 | Value Unknown | | | | Value Unknown | Value Unknown | Amxrikai Spek,,R. O. Foulk,,1937,,,,, |
| View | Ande | | | A. W. Anderson | | 1960 | Value Unknown | | | | Value Unknown | Value Unknown | Ande,,A. W. Anderson,,1960,,,,, |
| View | Anglic | | | R. E. Zachrisson | | 1930 | Value Unknown | | | | Value Unknown | Value Unknown | Anglic,,R. E. Zachrisson,,1930,,,,, |
| View | Anglido | | | H. E. Raymond | | 1927 | Value Unknown | | | | Value Unknown | Value Unknown | Anglido,,H. E. Raymond,,1927,,,,, |
| View | Anglo-Franca | Anglo-Franca | | G. J. Henderson | | 1889 | Value Unknown | | | | A posteriori | Value Unknown | Anglo-Franca,Anglo-Franca,G. J. Henderson,Web Source,1889,x,x,x,A Posteriori,Value Unknown |
| View | Anglo-Lat | | | R. Montero | | 1966 | Value Unknown | | | | Value Unknown | Value Unknown | Anglo-Lat,,R. Montero,,1966,,,,, |
| View | Ansteo | Ansteo | | Tugay Akkoyun | | 2021 | Value Unknown | | | Personal | Value Unknown | Value Unknown | Ansteo,Ansteo,Tugay Akkoyun,,2021,,,Personal - Other,,Starter |
| View | Antibabele | | | G. Magli | | 1950 | Value Unknown | | | | Value Unknown | Value Unknown | Antibabele,,G. Magli,,1950,,,,, |
| View | Antido II | | | R. de Saussure | | 1910 | Value Unknown | | Latin - Europa | | A posteriori | Value Unknown | Antido II,,R. de Saussure,,1910,,Latin - Europa,,A Posteriori, |
| View | antido i | | | r. De saussure | | 1907 | Value Unknown | | | | A posteriori | Value Unknown | antido i,,r. De saussure,Web Source,1907,x,x,x,A Posteriori, |
| View | Anti-Volapük | Anti-volapük | | F. Mill | | 1893 | Value Unknown | | | | A posteriori | Value Unknown | Anti-Volapük,Anti-volapük,F. Mill,Web Source,1893,x,x,x,A Posteriori,Value Unknown |
| View | Antro | | | N. Andreev | | 1950 | Value Unknown | | | | Value Unknown | Value Unknown | Antro,,N. Andreev,,1950,,,,, |
| View | Ao | | | V. Gordin | | 1920 | Value Unknown | | | | Value Unknown | Value Unknown | Ao,,V. Gordin,,1920,,,,, |
| View | apolema | | | R. de la Grasserie | | 1907 | Value Unknown | | | | A posteriori | Value Unknown | apolema,,R. de la Grasserie,Web Source,1907,x,x,x,A Posteriori, |
| View | Aralaş Türk Tili | Aralaş | | Pidgin | | 2011 | Value Unknown | | | | A posteriori | Value Unknown | Aralaş Türk Tili,Aralaş,Pidgin,Web Source,2011,x,x,Unified Turkish Language project,A Posteriori,Slightly Advanced |
| View | Ariadna Lingvo | | | V. Shmurlo (pseud. Vlasha) | | 1920 | Value Unknown | | | | Value Unknown | Value Unknown | Ariadna Lingvo,,V. Shmurlo (pseud. Vlasha),,1920,,,,, |
| View | Ariana | | | P. Stojan | | 1914 | Value Unknown | | | | Value Unknown | Value Unknown | Ariana,,P. Stojan,,1914,,,,, |
| View | Ars Signorum | Ars signorum | | G. Dalgarno | | 1661 | Value Unknown | | | | A priori | Value Unknown | Ars Signorum,Ars signorum,G. Dalgarno,Web Source,1661,x,x,x,A Priori,Value Unknown |
| View | Arulo (Gloro) | | | M. Talmey | | 1925 | Value Unknown | | | | Value Unknown | Value Unknown | Arulo (Gloro),,M. Talmey,,1925,,,,, |
| View | Aryana | | | P. Stojan | | 1912 | Value Unknown | | | | Value Unknown | Value Unknown | Aryana,,P. Stojan,,1912,,,,, |
| View | Asha\'ille | | | Arthaey Angosii | | 0 | Value Unknown | | | | A priori | Value Unknown | Asha\'ille,x,Arthaey Angosii,Web Source,0,x,x,x,A Priori,Value Unknown |
| View | \"Atili | Classical\" | | Atili | | 0 | Value Unknown | 2017 | | | Value Unknown | Well-developed | \"Atili, Classical\",Atili,verew Ray,Web Source,2017,x,x,x,A Priori,Perfect Developed |
| View | \"Atili | Ecclesiastical\" | | Atili / Atui | | 0 | Value Unknown | 2017 | | | Value Unknown | Well-developed | \"Atili, Ecclesiastical\",Atili / Atui,verew Ray,Web Source,2017,x,x,x,A Priori,Perfect Developed |
| View | Auli | | | E. von de Wahl | | 1909 | Value Unknown | | | | A posteriori | Value Unknown | Auli,,E. von de Wahl,Web Source,1909,x,x,x,A Posteriori,early version of the occidental project |
| View | Auxil | | | A. Belie | | 1948 | Value Unknown | | | | Value Unknown | Value Unknown | Auxil,,A. Belie,,1948,,,,, |
| View | Auxilia | | | G. Morin | | 1947 | Value Unknown | | | | Value Unknown | Value Unknown | Auxilia,,G. Morin,,1947,,,,, |
| View | Azak | | | C. Grandsire | | 1992 | Value Unknown | | | | Value Unknown | Value Unknown | Azak,,C. Grandsire,,1992,,,,, |
| View | Azfargüca | Azfargüca | | Sabuhi Mursalli | | 2014 | Value Unknown | Azfargüca Alfabesi | | | A posteriori | Value Unknown | Azfargüca,Azfargüca,Sabuhi Mursalli,Web Source,2014,Azfargüca Alfabesi,x,Art,A Posteriori,Underdeveloped |
| View | Babilonska Uganka | | | A. Ertl | | 1923 | Value Unknown | | | | Value Unknown | Value Unknown | Babilonska Uganka,,A. Ertl,,1923,,,,, |
| View | Balta | Balta | | E. Dormoy | | 1887 | Value Unknown | | | Global Auxiliary | Mixture | Value Unknown | Balta,Balta,E. Dormoy,Web Source,1887,x,x,International,Mix,Value Unknown |
| View | Bearlveic | | | Dē Graut Bʉr | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Bearlveic,x,Dē Graut Bʉr,Web Source,0,x,x,x,Value Unknown,Value Unknown |
| View | Blaia zimondal | Blaia zimondal | | C. Meriggi | | 1884 | Value Unknown | | | | A priori | Value Unknown | Blaia zimondal,Blaia zimondal,C. Meriggi,Web Source,1884,x,x,x,A Priori,Value Unknown |
| View | Bonum | Bonum dili | | Serçe dili | | 2014 | Value Unknown | | | | A priori | Value Unknown | Bonum,Bonum dili,Serçe dili,Web Source,2014,x,x,Art,A Priori,Kroki / Minimal |
| View | Bopal | Bopal | | M. Streiff | | 1887 | Value Unknown | | | Global Auxiliary | Mixture | Value Unknown | Bopal,Bopal,M. Streiff,Web Source,1887,x,x,International,Mix,Value Unknown |
| View | Buenaliza | Buenaliza | | Eren52 | | 2017 | Value Unknown | | | Global Auxiliary | A posteriori | Value Unknown | Buenaliza,Buenaliza,Eren52,Web Source,2017,x,x,International language of communication,A Posteriori,Starter |
| View | Cacone | | | D. Sacks | | 1960 | Value Unknown | | | | Value Unknown | Value Unknown | Cacone,,D. Sacks,,1960,,,,, |
| View | Casuela | | | S. Voirol | | 1894 | Value Unknown | | | | A posteriori | Value Unknown | Casuela,,S. Voirol,Web Source,1894,x,x,x,A Posteriori,Value Unknown |
| View | Chabé-Aban | Chabé-Aban | | E. Maldant | | 1886 | Value Unknown | | | | A priori | Value Unknown | Chabé-Aban,Chabé-Aban,E. Maldant,Web Source,1886,x,x,x,A Priori,Value Unknown |
| View | City-Language | | | H. Emami | | 1959 | Value Unknown | | | | Value Unknown | Value Unknown | City-Language,,H. Emami,,1959,,,,, |
| View | Clavis Conveniente Linguarum | Clavis Conveniente Linguarum | | j.becher | | 1661 | Value Unknown | | | | A priori | Value Unknown | Clavis Conveniente Linguarum,Clavis Conveniente Linguarum,j.becher,Web Source,1661,x,x,x,A Priori,Value Unknown |
| View | Code Ari | | | F. Kovarik | | 1946 | Value Unknown | | | | Value Unknown | Value Unknown | Code Ari,,F. Kovarik,,1946,,,,, |
| View | Cola | | | Mike Armbrust | | 2005 | Value Unknown | | | Personal | A priori | Value Unknown | Cola,x,Mike Armbrust,Web Source,2005,x,x,Personal,A Priori,Kroki / Minimal |
| View | Communia | | | J. Stempfl | | 1894 | Value Unknown | | | | Mixture | Value Unknown | Communia,,J. Stempfl,Web Source,1894,x,x,x,Mix,Value Unknown |
| View | Compromiss-Sprache | Compromiss-Sprache | | J. Lott | | 1889 | Value Unknown | | | | Value Unknown | Value Unknown | Compromiss-Sprache,Compromiss-Sprache,J. Lott,Web Source,1889,x,x,x,Value Unknown,Value Unknown |
| View | Concorde | | | S. F. Hall | | 1952 | Value Unknown | | | | Value Unknown | Value Unknown | Concorde,,S. F. Hall,,1952,,,,, |
| View | Corintic | | | A. Miller | | 1908 | Value Unknown | | | | Value Unknown | Value Unknown | Corintic,,A. Miller,Web Source,1908,x,x,x,x, |
| View | Cosman | | | H. Milner | | 1927 | Value Unknown | | | | Value Unknown | Value Unknown | Cosman,,H. Milner,,1927,,,,, |
| View | Cosmolingvia | | | S. Horowitz | | 1927 | Value Unknown | | | | Value Unknown | Value Unknown | Cosmolingvia,,S. Horowitz,,1927,,,,, |
| View | \"Coutani | Sietelask | | Sirav\" | | 0 | Value Unknown | Ferno Dude | Web Source | | Value Unknown | Value Unknown | \"Coutani, Sietelask, Sirav\",\"Còutan, *Others unknown*\",Ferno Dude,Web Source,2020,x,x,x,A Priori,Slightly Advanced |
| View | Day daynd | | | A. J. Guerero | | 1898 | Value Unknown | | | | A priori | Value Unknown | Day daynd,,A. J. Guerero,Web Source,1898,x,x,x,A Priori,Value Unknown |
| View | Delmondo | | | J. L. Mainprice (pseud. E. J. Lipman) | | 1960 | Value Unknown | | | | Value Unknown | Value Unknown | Delmondo,,J. L. Mainprice (pseud. E. J. Lipman),,1960,,,,, |
| View | Derbari | Derbari | | Ersen Yeşer | | 2014 | Value Unknown | | | | A posteriori | Value Unknown | Derbari,Derbari,Ersen Yeşer,Web Source,2014,x,x,Art,A Posteriori,Perfect Developed |
| View | Dialect centralia | | | A. Nilson | | 1899 | Value Unknown | | | | A posteriori | Value Unknown | Dialect centralia,,A. Nilson,Web Source,1899,x,x,x,A Posteriori,Value Unknown |
| View | Dil | Dil | | Fieweger | | 1893 | Value Unknown | | | | Mixture | Value Unknown | Dil,Dil,Fieweger,Web Source,1893,x,x,x,Mix,Value Unknown |
| View | Dilpok | | | A. Marchand | | 1898 | Value Unknown | | | | Mixture | Value Unknown | Dilpok,,A. Marchand,Web Source,1898,x,x,x,Mix,Value Unknown |
| View | D\'ni | D\'ni | | Richard A Watson | | 0 | Value Unknown | | | | A priori | Value Unknown | D\'ni,D\'ni,Richard A Watson,Web Source,0,x,x,x,A Priori,Value Unknown |
| View | Dolphin Islveic | Uaçim Yvudēh | | u/SynthFan | | 2007 | Value Unknown | | | | Mixture | Value Unknown | Dolphin Islveic,Uaçim Yvudēh,u/SynthFan,Web Source,2007,x,x,x,Mix,Value Unknown |
| View | Dot Islve Creole | Kréjól | | u/SynthFan | | 2009 | Value Unknown | | | | Mixture | Value Unknown | Dot Islve Creole,Kréjól,u/SynthFan,Web Source,2009,x,x,x,Mix,Value Unknown |
| View | Dot Islveic | Ussu Arenwaq | | u/SynthFan | | 2003 | Value Unknown | | | | A priori | Value Unknown | Dot Islveic,Ussu Arenwaq,u/SynthFan,Web Source,2003,x,x,x,A Priori,Value Unknown |
| View | Draseléq Draseleq | | | P. Flores | | 1998 | Value Unknown | | | | Value Unknown | Value Unknown | Draseléq Draseleq,,P. Flores,,1998,,,,, |
| View | Dseipre | Dseipre | | Omug97omug | | 2010 | Value Unknown | | | | A priori | Value Unknown | Dseipre,Dseipre,Omug97omug,Web Source,2010,x,x,Art,A Priori,Starter |
| View | Dutalingue | | | A. Duthil | | 1909 | Value Unknown | | | | A posteriori | Value Unknown | Dutalingue,,A. Duthil,Web Source,1909,x,x,x,A Posteriori, |
| View | Dynamic Language | | | E. Molee | | 1921 | Value Unknown | | | | Value Unknown | Value Unknown | Dynamic Language,,E. Molee,,1921,,,,, |
| View | \"Edun | Classical\" | | Edun | | 0 | Value Unknown | 2016 | | | Value Unknown | Value Unknown | \"Edun, Classical\",Edun,Biblaridion,Web Source,2016,x,x,x,A Priori,Value Unknown |
| View | \"Edun | Modern\" | | Edų | | 0 | Value Unknown | 2016 | | | Value Unknown | Well-developed | \"Edun, Modern\",Edų,Biblaridion,Web Source,2016,x,x,x,A Priori,Perfect Developed |
| View | Ehmay Ghee Chah | | | E. Hankes | | 1992 | Value Unknown | | | | Value Unknown | Value Unknown | Ehmay Ghee Chah,,E. Hankes,,1992,,,,, |
| View | Eksterlingui | | | J. K. D\'Elcorecopo | | 1964 | Value Unknown | | | | Value Unknown | Value Unknown | Eksterlingui,,J. K. D\'Elcorecopo,,1964,,,,, |
| View | El-Afrihili | | | K. Kumi Attobrah | | 1970 | Value Unknown | | | | Value Unknown | Value Unknown | El-Afrihili,,K. Kumi Attobrah,,1970,,,,, |
| View | \"Elefen (Lingua Franca Nova | LFN)\" | | \"elefen (lingua franca nova | | 0 | Value Unknown | Web Source | 1998 | | Value Unknown | Value Unknown | \"Elefen (Lingua Franca Nova, LFN)\",\"elefen (lingua franca nova, lfn)\",C. George Boeree,Web Source,1998,Latin,x,Global Auxiliary Language,A Posteriori,Active Community |
| View | Elekrith-Baalig ve EB | Elekrith ve Baalig | | M. de Barún | | 2019 | Value Unknown | 1 | Palician | Personal | Value Unknown | Value Unknown | Elekrith-Baalig ve EB,Elekrith ve Baalig,M. de Barún,Web Source,2019,1,Palician,\"Personal, Story-based, Conworld, ve Geofictional\",A Priori,Slightly Advanced |
| View | \"Elveian | Elonds | | Эландский | | 0 | Value Unknown | Santolege (Alshevsky Alexveer) | Web Source | | Value Unknown | Value Unknown | \"Elveian , Elonds , Эландский , ve Еландська\",Ёlonds ve Ёlondsä,Santolege (Alshevsky Alexveer),Web Source,1998,Latin,Germanic,\"Personal, Story-based, Conworld, Geofictional, Alternative History, ve Secret\",Mix,Perfect Developed |
| View | Elveish | Ёlonds lingue | | Santolege (Сантол) | | 1998 | Value Unknown | | | Alternate History | Mixture | Value Unknown | Elveish,Ёlonds lingue,Santolege (Сантол),Web Source,1998,x,x,Alternative History,Mix,Perfect Developed |
| View | \"English: Harining | Spanish: Harinino | | Russian: Ари́ни | | 0 | Value Unknown | ve Latine: Arini\" | Haríni | | Value Unknown | Value Unknown | \"English: Harining , Spanish: Harinino , Russian: Ари́ни , France: Harine , Greek: Αρινι , ve Latine: Arini\",Haríni,\"Adonái \"\"Mao\"\" Castro.\",Web Source,2019,x,x,Global Auxiliary Language,A Posteriori,Perfect Developed |
| View | ENI | | | M. Monnerot-Dumaine | | 1963 | Value Unknown | | | | Value Unknown | Value Unknown | ENI,,M. Monnerot-Dumaine,,1963,,,,, |
| View | Eo | | | P. Stojan (pseud. Ribaulb) | | 1926 | Value Unknown | | | | Value Unknown | Value Unknown | Eo,,P. Stojan (pseud. Ribaulb),,1926,,,,, |
| View | Esperanta | | | J. Železný J. Zelezny | | 1924 | Value Unknown | | | | Value Unknown | Value Unknown | Esperanta,,J. Železný J. Zelezny,,1924,,,,, |
| View | Esperantida | | | R. de Saussure | | 1919 | Value Unknown | | | | Value Unknown | Value Unknown | Esperantida,,R. de Saussure,,1919,,,,, |
| View | Esperanto II | | | R. de Saussure | | 1937 | Value Unknown | | | | Value Unknown | Value Unknown | Esperanto II,,R. de Saussure,,1937,,,,, |
| View | Esperanto Reformita | | | R. Brandt | | 1909 | Value Unknown | | | | A posteriori | Value Unknown | Esperanto Reformita,,R. Brandt,Web Source,1909,x,x,x,A Posteriori, |
| View | Esperantuisho | | | J. Železný J. Zelezny | | 1951 | Value Unknown | | | | Value Unknown | Value Unknown | Esperantuisho,,J. Železný J. Zelezny,,1951,,,,, |
| View | Esperido | | | H. E. Raymond | | 1925 | Value Unknown | | | | Value Unknown | Value Unknown | Esperido,,H. E. Raymond,,1925,,,,, |
| View | Esperilo | | | H. E. Raymond | | 1930 | Value Unknown | | | | Value Unknown | Value Unknown | Esperilo,,H. E. Raymond,,1930,,,,, |
| View | Espido | | | M. Pesch | | 1923 | Value Unknown | | | | Value Unknown | Value Unknown | Espido,,M. Pesch,,1923,,,,, |
| View | Espo | | | P. Stojan (pseud. Ribaulb) | | 1926 | Value Unknown | | | | Value Unknown | Value Unknown | Espo,,P. Stojan (pseud. Ribaulb),,1926,,,,, |
| View | Espro | | | D. G. Rose | | 1963 | Value Unknown | | | | Value Unknown | Value Unknown | Espro,,D. G. Rose,,1963,,,,, |
| View | Etem | | | N. Yushmanov | | 1917 | Value Unknown | | | | Value Unknown | Value Unknown | Etem,,N. Yushmanov,,1917,,,,, |
| View | Eulalia | | | S. Škrabec S. Skrabec | | 1910 | Value Unknown | | Latin - Europa | | A priori | Value Unknown | Eulalia,,S. Škrabec S. Skrabec,,1910,,Latin - Europa,,A Priori, |
| View | Eur(op)ean | | | R. Jego | | 1955 | Value Unknown | | | | Value Unknown | Value Unknown | Eur(op)ean,,R. Jego,,1955,,,,, |
| View | Euroglot | | | E. Ahlström E. Ahlstrom | | 1957 | Value Unknown | | | | Value Unknown | Value Unknown | Euroglot,,E. Ahlström E. Ahlstrom,,1957,,,,, |
| View | Eurolatin(e) | | | W. J. Visser | | 1964 | Value Unknown | | | | Value Unknown | Value Unknown | Eurolatin(e),,W. J. Visser,,1964,,,,, |
| View | Eurolengo | | | L. Jones | | 1972 | Value Unknown | | | | Value Unknown | Value Unknown | Eurolengo,,L. Jones,,1972,,,,, |
| View | Eurolingva | | | H. K. J. Cowan | | 1962 | Value Unknown | | | | Value Unknown | Value Unknown | Eurolingva,,H. K. J. Cowan,,1962,,,,, |
| View | Euronord | | | A. J. Pilgrim | | 1965 | Value Unknown | | | | Value Unknown | Value Unknown | Euronord,,A. J. Pilgrim,,1965,,,,, |
| View | Europal | | | J. Weisbart | | 1912 | Value Unknown | | | | Value Unknown | Value Unknown | Europal,,J. Weisbart,,1912,,,,, |
| View | Europan | | | J. Weisbart | | 1925 | Value Unknown | | | | Value Unknown | Value Unknown | Europan,,J. Weisbart,,1925,,,,, |
| View | Europeo | | | C. A. Bravo del Barrio | | 1914 | Value Unknown | | | | Value Unknown | Value Unknown | Europeo,,C. A. Bravo del Barrio,,1914,,,,, |
| View | Evoluto | | | S. E. Bond | | 1930 | Value Unknown | | | | Value Unknown | Value Unknown | Evoluto,,S. E. Bond,,1930,,,,, |
| View | Fasilfon | | | D. Carion | | 1972 | Value Unknown | | | | Value Unknown | Value Unknown | Fasilfon,,D. Carion,,1972,,,,, |
| View | Federal | | | J. Barral | | 1923 | Value Unknown | | | | Value Unknown | Value Unknown | Federal,,J. Barral,,1923,,,,, |
| View | Filosofskiy Jezik | | | J. Linzbach | | 1916 | Value Unknown | | | | Value Unknown | Value Unknown | Filosofskiy Jezik,,J. Linzbach,,1916,,,,, |
| View | Fitusa | | | B. Rosenblum | | 1935 | Value Unknown | | | | Value Unknown | Value Unknown | Fitusa,,B. Rosenblum,,1935,,,,, |
| View | Francezin | Francezin | | A. Lyadike | | 1893 | Value Unknown | | | | A posteriori | Value Unknown | Francezin,Francezin,A. Lyadike,Web Source,1893,x,x,x,A Posteriori,Value Unknown |
| View | Frater | | | Pham Xuan-Thai | | 1957 | Value Unknown | | | | Value Unknown | Value Unknown | Frater,,Pham Xuan-Thai,,1957,,,,, |
| View | Frendo | | | A. Churruca | | 1965 | Value Unknown | | | | Value Unknown | Value Unknown | Frendo,,A. Churruca,,1965,,,,, |
| View | Geileg ve Gailic | \"Geddleg | | Geddleck | | 0 | Value Unknown | M. de Barún | Web Source | | Value Unknown | Value Unknown | Geileg ve Gailic,\"Geddleg , Geddleck , Geileg , ve Guyleg\",M. de Barún,Web Source,2020,1,\"Gaelic , Celtic , ve Indo-European\",\"Personal, Geofictional, ve Alternative History\",A Posteriori,Slightly Advanced |
| View | Genigrafia Italiana | Genigrafia Italiana | | G. Matraya | | 1831 | Value Unknown | | | | A priori | Value Unknown | Genigrafia Italiana,Genigrafia Italiana,G. Matraya,Web Source,1831,x,x,Value Unknown,A Priori,Value Unknown |
| View | Geo | | | H. E. Salzer | | 1958 | Value Unknown | | | | Value Unknown | Value Unknown | Geo,,H. E. Salzer,,1958,,,,, |
| View | Geoglot | | | T. J. Donoghue | | 1916 | Value Unknown | | | | Value Unknown | Value Unknown | Geoglot,,T. J. Donoghue,,1916,,,,, |
| View | Geo-jezik | | | G. Zagoryel’sky G. Zagoryel?sky | | 1970 | Value Unknown | | | | Value Unknown | Value Unknown | Geo-jezik,,G. Zagoryel’sky G. Zagoryel?sky,,1970,,,,, |
| View | Gestuno | | | World Federation of the Deaf | | 1975 | Value Unknown | | | | Value Unknown | Value Unknown | Gestuno,,World Federation of the Deaf,,1975,,,,, |
| View | gjâ-zym-byn (gzb) gja-zym-byn (gzb) | | | J. Henry | | 1999 | Value Unknown | | | | Value Unknown | Value Unknown | gjâ-zym-byn (gzb) gja-zym-byn (gzb),,J. Henry,,1999,,,,, |
| View | glanik | | | E. Ware | | 1906 | Value Unknown | | | | Value Unknown | Value Unknown | glanik,,E. Ware,Web Source,1906,x,x,x,x, |
| View | Globaqo | | | R. S. Jaque and G. A. Jones | | 1958 | Value Unknown | | | | Value Unknown | Value Unknown | Globaqo,,R. S. Jaque and G. A. Jones,,1958,,,,, |
| View | Gloneo | | | R. S. Jaque | | 1968 | Value Unknown | | | | Value Unknown | Value Unknown | Gloneo,,R. S. Jaque,,1968,,,,, |
| View | Glot | | | V. Petracevitch (pseud. V. Pevich) | | 1917 | Value Unknown | | | | Value Unknown | Value Unknown | Glot,,V. Petracevitch (pseud. V. Pevich),,1917,,,,, |
| View | Gveal Language | | | David J. Peterson | | 2017 | Value Unknown | | | | A priori | Value Unknown | Gveal Language,x,David J. Peterson,Web Source,2017,x,x,x,A Priori,Value Unknown |
| View | Hesperyo | | | A. Lara | | 1958 | Value Unknown | | | | Value Unknown | Value Unknown | Hesperyo,,A. Lara,,1958,,,,, |
| View | Hom-Idyomo | | | C. Cárdenas C. Cardenas | | 1921 | Value Unknown | | | | Value Unknown | Value Unknown | Hom-Idyomo,,C. Cárdenas C. Cardenas,,1921,,,,, |
| View | Hoykoy | | | G. Ottander | | 1947 | Value Unknown | | | | Value Unknown | Value Unknown | Hoykoy,,G. Ottander,,1947,,,,, |
| View | I D O (Idiom di Omni) | | | G. Meazzini | | 1928 | Value Unknown | | | | Value Unknown | Value Unknown | I D O (Idiom di Omni),,G. Meazzini,,1928,,,,, |
| View | Ideala Lingvo | | | T. Jung | | 1927 | Value Unknown | | | | Value Unknown | Value Unknown | Ideala Lingvo,,T. Jung,,1927,,,,, |
| View | Idirl | | | J. Yench | | 2003 | Value Unknown | | | | Value Unknown | Value Unknown | Idirl,,J. Yench,,2003,,,,, |
| View | Ido Avancit | | | R. Harding | | 1925 | Value Unknown | | | | Value Unknown | Value Unknown | Ido Avancit,,R. Harding,,1925,,,,, |
| View | Ido Reformate | | | H. Pellgrini | | 1966 | Value Unknown | | | | Value Unknown | Value Unknown | Ido Reformate,,H. Pellgrini,,1966,,,,, |
| View | Ilion | | | H. Milner | | 1967 | Value Unknown | | | | Value Unknown | Value Unknown | Ilion,,H. Milner,,1967,,,,, |
| View | Ilish | | | J. Henning | | 1996 | Value Unknown | | | | Value Unknown | Value Unknown | Ilish,,J. Henning,,1996,,,,, |
| View | Inga | | | B. Russell | | 1964 | Value Unknown | | | | Value Unknown | Value Unknown | Inga,,B. Russell,,1964,,,,, |
| View | Inglish (Basic English Improved) | | | L. Y. Le Bretton | | 1972 | Value Unknown | | | | Value Unknown | Value Unknown | Inglish (Basic English Improved),,L. Y. Le Bretton,,1972,,,,, |
| View | Instant World Language | | | A. Berendt | | 1977 | Value Unknown | | | | Value Unknown | Value Unknown | Instant World Language,,A. Berendt,,1977,,,,, |
| View | Intal | | | E. Weferling | | 1956 | Value Unknown | | | | Value Unknown | Value Unknown | Intal,,E. Weferling,,1956,,,,, |
| View | \"Interkosmo | Galakto | | ve Intergalakto\" | | 0 | Value Unknown | Web Source | | | Value Unknown | Value Unknown | \"Interkosmo , Galakto , ve Intergalakto\",x,K. H. Scheer ve Walter Ernsting,Web Source,x,x,x,Story-based,Value Unknown,Value Unknown |
| View | Interling | | | T. Wood | | 1958 | Value Unknown | | | | Value Unknown | Value Unknown | Interling,,T. Wood,,1958,,,,, |
| View | Interlingua Systematic | | | J. Rossello-Ordines | | 1922 | Value Unknown | | | | Value Unknown | Value Unknown | Interlingua Systematic,,J. Rossello-Ordines,,1922,,,,, |
| View | Internacionu Sientu Lingua | | | A. Kovalyev | | 1911 | Value Unknown | | | | Value Unknown | Value Unknown | Internacionu Sientu Lingua,,A. Kovalyev,,1911,,,,, |
| View | Internasional | | | P. Mitrović P. Mitrovic | | 1935 | Value Unknown | | | | Value Unknown | Value Unknown | Internasional,,P. Mitrović P. Mitrovic,,1935,,,,, |
| View | Interprète international | | | V. Hély | | 1908 | Value Unknown | | | | A posteriori | Value Unknown | Interprète international,,V. Hély,Web Source,1908,x,x,x,A Posteriori, |
| View | Inter-sistemal | | | P. Mitrović P. Mitrovic | | 1947 | Value Unknown | | | | Value Unknown | Value Unknown | Inter-sistemal,,P. Mitrović P. Mitrovic,,1947,,,,, |
| View | Ish ve | ix ve ix-taka | | Stefan Storm | | 2020 | Value Unknown | romance | English creole | | A posteriori | Value Unknown | Ish ve,ix ve ix-taka,Stefan Storm,Web Source,2020,romance,English creole,Pseudo-Auxlang ve Conpidgin,A Posteriori,Slightly Advanced |
| View | Italiane Semplificate | | | H. Pelligrini | | 1971 | Value Unknown | | | | Value Unknown | Value Unknown | Italiane Semplificate,,H. Pelligrini,,1971,,,,, |
| View | idiome universel | idiome universel | | H. Marini | | 1891 | Value Unknown | | | | Value Unknown | Value Unknown | idiome universel,idiome universel,H. Marini,Web Source,1891,x,x,x,Value Unknown,Value Unknown |
| View | ile | | | a. Seidel | | 1909 | Value Unknown | | | | A posteriori | Value Unknown | ile,,a. Seidel,Web Source,1909,x,x,x,A Posteriori, |
| View | ilo | | | C. Lemaire | | 1908 | Value Unknown | | | | Value Unknown | Value Unknown | ilo,,C. Lemaire,Web Source,1908,x,x,x,x, |
| View | italico | | | R. Triola | | 1909 | Value Unknown | | | | A posteriori | Value Unknown | italico,,R. Triola,Web Source,1909,x,x,x,A Posteriori,bir ido reformu |
| View | ixessoire | ixessoire | | R. and L. Poincaré | | 1879 | Value Unknown | | | | A posteriori | Value Unknown | ixessoire,ixessoire,R. and L. Poincaré,Web Source,1879,x,x,Greek based,A Posteriori,Value Unknown |
| View | Ka\'k\'īsī | Ka-kʼīsī | | Edward Galaway | | 2019 | Value Unknown | | | | A posteriori | Value Unknown | Ka\'k\'īsī,Ka-kʼīsī,Edward Galaway,Web Source,2019,x,x,x,A Posteriori,Perfect Developed |
| View | Katya\'u | Pakaghi | | Budkalon | | 2019 | Value Unknown | | | | Mixture | Value Unknown | Katya\'u,Pakaghi,Budkalon,Web Source,2019,x,x,x,Mix,Perfect Developed |
| View | Kēlen Kelen | | | S. Sotomayor | | 1998 | Value Unknown | | | | Value Unknown | Value Unknown | Kēlen Kelen,,S. Sotomayor,,1998,,,,, |
| View | Koine Romani | | | V. de Gila | | 1973 | Value Unknown | | | | Value Unknown | Value Unknown | Koine Romani,,V. de Gila,,1973,,,,, |
| View | Kokographie | Kokographie | | F. Friedrich | | 1887 | Value Unknown | | | | A priori | Value Unknown | Kokographie,Kokographie,F. Friedrich,Web Source,1887,x,x,x,A Priori,Value Unknown |
| View | Komun | | | F. Musil | | 1946 | Value Unknown | | | | Value Unknown | Value Unknown | Komun,,F. Musil,,1946,,,,, |
| View | Korsek ve Korsectan | Korsek | | Ethan Wright | | 2020 | Value Unknown | \"Latin | Korsek\" | | Value Unknown | Well-developed | Korsek ve Korsectan,Korsek,Ethan Wright,Web Source,2020,\"Latin, Korsek\",x,Conworld,Mix,Perfect Developed |
| View | Kosmo | | | G. Schröder G. Schroder | | 1949 | Value Unknown | | | | Value Unknown | Value Unknown | Kosmo,,G. Schröder G. Schroder,,1949,,,,, |
| View | Kosmos | Kosmos | | E. A. Lauda | | 1888 | Value Unknown | | | | A posteriori | Value Unknown | Kosmos,Kosmos,E. A. Lauda,Web Source,1888,x,x,x,A Posteriori,Value Unknown |
| View | Kveriian | Akvetha | | Hope C. Dixon | | 2020 | Value Unknown | | | | A priori | Value Unknown | Kveriian,Akvetha,Hope C. Dixon,Web Source,2020,x,x,x,A Priori,Perfect Developed |
| View | Láadan Laadan | | | S. H. Elgin | | 1984 | Value Unknown | | | | Value Unknown | Value Unknown | Láadan Laadan,,S. H. Elgin,,1984,,,,, |
| View | Ladef | | | M. H. Michaylob | | 1963 | Value Unknown | | | | Value Unknown | Value Unknown | Ladef,,M. H. Michaylob,,1963,,,,, |
| View | Lakkathan | Lak’ata menæ | | Qash/Qazh/Qazhshava | | 2020 | Value Unknown | | | | Value Unknown | Considerable Development | |
| View | Lalineo | Lalineo | | Bilgihan Kaplan | | 2021 | Value Unknown | | | Personal | Value Unknown | Value Unknown | Lalineo,Lalineo,Bilgihan Kaplan,,2021,,,Personal - Other,,Starter |
| View | Lalortel | | | R. N. Yetter | | 1959 | Value Unknown | | | | Value Unknown | Value Unknown | Lalortel,,R. N. Yetter,,1959,,,,, |
| View | Langage Humain | | | Umano | | 1900 | Value Unknown | | | | Value Unknown | Value Unknown | Langage Humain,,Umano,Web Source,1900,x,x,x,x,Value Unknown |
| View | Langue internationale étymologique | Langue internationale étymologique | | F. Reimann | | 1877 | Value Unknown | | | | A priori | Value Unknown | Langue internationale étymologique,Langue internationale étymologique,F. Reimann,Web Source,1877,x,x,x,A Priori,Value Unknown |
| View | Langue Universelle | Langue Universelle | | C. Delormel | | 1795 | Value Unknown | | | Global Auxiliary | A priori | Value Unknown | Langue Universelle,Langue Universelle,C. Delormel,Web Source,1795,x,x,International,A Priori,Value Unknown |
| View | Langue Universelle et Analytique | Langue Universelle et Analytique | | E. T. Vidal | | 1844 | Value Unknown | | | | A priori | Value Unknown | Langue Universelle et Analytique,Langue Universelle et Analytique,E. T. Vidal,Web Source,1844,x,x,x,A Priori,Value Unknown |
| View | Langue Universelle Sémantique Langue Universelle Semantique | | | J. E. Croegaert | | 1910 | Value Unknown | | Latin - Europa | | A posteriori | Value Unknown | Langue Universelle Sémantique Langue Universelle Semantique,,J. E. Croegaert,,1910,,Latin - Europa,,A Posteriori, |
| View | Langvaje ve Lingwajo | Langvaje ve Lingwajo | | Matthew McVeagh | | 1983 | Value Unknown | Latin | Esperantidos | Global Auxiliary | A posteriori | Value Unknown | Langvaje ve Lingwajo,Langvaje ve Lingwajo,Matthew McVeagh,Web Source,1983,Latin,Esperantidos,Personal ve Global Auxiliary Language,A Posteriori,Slightly Advanced |
| View | Lasonebr | | | A. Nilson | | 1897 | Value Unknown | | | | Mixture | Value Unknown | Lasonebr,,A. Nilson,Web Source,1897,x,x,x,Mix,Value Unknown |
| View | Latinesco | | | H. J. Macmillan | | 1925 | Value Unknown | | | | Value Unknown | Value Unknown | Latinesco,,H. J. Macmillan,,1925,,,,, |
| View | Latini | | | C. G. Cline | | 1941 | Value Unknown | | | | Value Unknown | Value Unknown | Latini,,C. G. Cline,,1941,,,,, |
| View | Latino Hodierno | | | W. Doran | | 1940 | Value Unknown | | | | Value Unknown | Value Unknown | Latino Hodierno,,W. Doran,,1940,,,,, |
| View | Latino Internationale | | | U. Basso | | 1910 | Value Unknown | | Latin - Europa | | A posteriori | Value Unknown | Latino Internationale,,U. Basso,,1910,,Latin - Europa,,A Posteriori, |
| View | Latinulus | | | V. Martellotta | | 1919 | Value Unknown | | | | Value Unknown | Value Unknown | Latinulus,,V. Martellotta,,1919,,,,, |
| View | Latuna | | | G. du Bois | | 1924 | Value Unknown | | | | Value Unknown | Value Unknown | Latuna,,G. du Bois,,1924,,,,, |
| View | Lengua Catolica | Lengua Catolica | | A. Liptay | | 1889 | Value Unknown | | | | Value Unknown | Value Unknown | Lengua Catolica,Lengua Catolica,A. Liptay,Web Source,1889,x,x,x,Value Unknown,Value Unknown |
| View | Lengua Universal | Lengua Universal | | P. L. Martinez | | 1852 | Value Unknown | | | | A posteriori | Value Unknown | Lengua Universal,Lengua Universal,P. L. Martinez,Web Source,1852,x,x,x,A Posteriori,Value Unknown |
| View | Lengua universal y filosofica | Lengua Universal y filosofica | | B. Sotos Ochando | | 1852 | Value Unknown | | | | A priori | Value Unknown | Lengua universal y filosofica,Lengua Universal y filosofica,B. Sotos Ochando,Web Source,1852,x,x,x,A Priori,Value Unknown |
| View | Leno Gi-Nasu | | | M. A. de la Cruz | | 1945 | Value Unknown | | | | Value Unknown | Value Unknown | Leno Gi-Nasu,,M. A. de la Cruz,,1945,,,,, |
| View | Liana | | | P. Stojan (pseud. P. Radovich) | | 1923 | Value Unknown | | | | Value Unknown | Value Unknown | Liana,,P. Stojan (pseud. P. Radovich),,1923,,,,, |
| View | Liberanto | | | E. Kotar | | 1965 | Value Unknown | | | | Value Unknown | Value Unknown | Liberanto,,E. Kotar,,1965,,,,, |
| View | Libremce | Libremce | | Egecam12 | | 2017 | Value Unknown | | | | Mixture | Value Unknown | Libremce,Libremce,Egecam12,Web Source,2017,x,x,x,Mix,Starter |
| View | Lilith\'s Conlang | | | J.R. Salamanca | | 1961 | Value Unknown | | | | A priori | Value Unknown | Lilith\'s Conlang,x,J.R. Salamanca,Web Source,1961,x,x,x,A Priori,Value Unknown |
| View | Ling | | | A. Olson | | 1947 | Value Unknown | | | | Value Unknown | Value Unknown | Ling,,A. Olson,,1947,,,,, |
| View | Lingua European | | | B. Bijlevelt | | 1907 | Value Unknown | | | | Value Unknown | Value Unknown | Lingua European,,B. Bijlevelt,Web Source,1907,x,x,x,x, |
| View | Lingua Filosofica Universale | Lingua Filosofica Universale | | M. Gigli | | 1818 | Value Unknown | | | Philosophical | A priori | Value Unknown | Lingua Filosofica Universale,Lingua Filosofica Universale,M. Gigli,Web Source,1818,x,x,Philosophical,A Priori,Value Unknown |
| View | Lingua internacional | | | A. Zakrzewski | | 1905 | Value Unknown | | | | Value Unknown | Value Unknown | Lingua internacional,,A. Zakrzewski,Web Source,1905,x,x,x,x, |
| View | Lingua internazional | Lingua internazional | | J. Lott | | 1890 | Value Unknown | | | | Value Unknown | Value Unknown | Lingua internazional,Lingua internazional,J. Lott,Web Source,1890,x,x,x,Value Unknown,Value Unknown |
| View | Lingua Komun | | | F. Kürschner | | 1900 | Value Unknown | | | | A posteriori | Value Unknown | Lingua Komun,,F. Kürschner,Web Source,1900,x,x,x,A Posteriori,Value Unknown |
| View | Lingua Lumina | Lingua Lumina | | J. W. Dyer | | 1875 | Value Unknown | | | | A priori | Value Unknown | Lingua Lumina,Lingua Lumina,J. W. Dyer,Web Source,1875,x,x,x,A Priori,Value Unknown |
| View | Lingua Philosophica | Lingua Philosophica | | G. Kalmar | | 1772 | Value Unknown | | | Philosophical | A priori | Value Unknown | Lingua Philosophica,Lingua Philosophica,G. Kalmar,Web Source,1772,x,x,Philosophical,A Priori,Value Unknown |
| View | Lingua Slavica Universalis | Lingua Slavica Universalis | | J. Herkel | | 1826 | Value Unknown | | | | A posteriori | Value Unknown | Lingua Slavica Universalis,Lingua Slavica Universalis,J. Herkel,Web Source,1826,x,x,Slav dili,A Posteriori,Value Unknown |
| View | Lingua Universale | Lingua Universale | | F. Soave | | 1772 | Value Unknown | | | | A priori | Value Unknown | Lingua Universale,Lingua Universale,F. Soave,Web Source,1772,x,x,x,A Priori,Value Unknown |
| View | Lingua Universalis | Lingua universalis | | P. Labbe | | 1650 | Value Unknown | | | | A posteriori | Value Unknown | Lingua Universalis,Lingua universalis,P. Labbe,Web Source,1650,x,x,x,A Posteriori,Value Unknown |
| View | Lingue international | | | J. Lott | | 1899 | Value Unknown | | | | Value Unknown | Value Unknown | Lingue international,,J. Lott,Web Source,1899,x,x,x,x,Value Unknown |
| View | Linguo Moderna | | | A. Grabowski | | 1896 | Value Unknown | | | | A posteriori | Value Unknown | Linguo Moderna,,A. Grabowski,Web Source,1896,x,x,x,A Posteriori,Value Unknown |
| View | Linguo Romane Universale | | | J. Słonimski J. Slonimski | | 1910 | Value Unknown | | | | Value Unknown | Value Unknown | Linguo Romane Universale,,J. Słonimski J. Slonimski,,1910,,,,, |
| View | Linguum islianum | | | F. İsly | | 1901 | Value Unknown | | | | A posteriori | Value Unknown | Linguum islianum,,F. İsly,Web Source,1901,x,x,x,A Posteriori,Value Unknown |
| View | Lingvo Kommona | | | K J L | | 1923 | Value Unknown | | | | Value Unknown | Value Unknown | Lingvo Kommona,,K J L,,1923,,,,, |
| View | Lingvo Kosmopolita | | | R. de Saussure | | 1912 | Value Unknown | | | | Value Unknown | Value Unknown | Lingvo Kosmopolita,,R. de Saussure,,1912,,,,, |
| View | Lingvologia Lingvo | | | E. Hanhiniemi | | 1966 | Value Unknown | | | | Value Unknown | Value Unknown | Lingvologia Lingvo,,E. Hanhiniemi,,1966,,,,, |
| View | Lingwa Scjena | Lingwa Scjena | | E vla | | 2010 | Value Unknown | | | Global Auxiliary | Mixture | Value Unknown | Lingwa Scjena,Lingwa Scjena,E vla,Web Source,2010,x,x,Global Auxiliary Language,Mix,Slightly Advanced |
| View | Li̬o̬a \'e Gweû | | | Chridd | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Li̬o̬a \'e Gweû,x,Chridd,Web Source,0,x,x,x,Value Unknown,Value Unknown |
| View | Lips-Kith | | | J. Scarisbrick | | 1919 | Value Unknown | | | | Value Unknown | Value Unknown | Lips-Kith,,J. Scarisbrick,,1919,,,,, |
| View | LoCoS | | | Y. Ota | | 1964 | Value Unknown | | | | Value Unknown | Value Unknown | LoCoS,,Y. Ota,,1964,,,,, |
| View | Logography | | | B. Lipschitz | | 1960 | Value Unknown | | | | Value Unknown | Value Unknown | Logography,,B. Lipschitz,,1960,,,,, |
| View | Logopandecteision | Logopandecteision | | T.Urquhart | | 1653 | Value Unknown | | | | A posteriori | Value Unknown | Logopandecteision,Logopandecteision,T.Urquhart,Web Source,1653,x,x,x,A Posteriori,Value Unknown |
| View | Loqa | | | G. Nield | | 1927 | Value Unknown | | | | Value Unknown | Value Unknown | Loqa,,G. Nield,,1927,,,,, |
| View | Luftlandana | Luftlandana | | G. A. Larsson | | 1893 | Value Unknown | | | | A priori | Value Unknown | Luftlandana,Luftlandana,G. A. Larsson,Web Source,1893,x,x,x,A Priori,Value Unknown |
| View | Lugar | Lugar | | S. Herpain | | 1843 | Value Unknown | | | | A priori | Value Unknown | Lugar,Lugar,S. Herpain,Web Source,1843,x,x,natural language imitation,A Priori,Value Unknown |
| View | Luni | | | L. Znicz-Sawicki | | 1957 | Value Unknown | | | | Value Unknown | Value Unknown | Luni,,L. Znicz-Sawicki,,1957,,,,, |
| View | Lusane | | | L. S. Lopez-Negrete | | 1988 | Value Unknown | | | | Value Unknown | Value Unknown | Lusane,,L. S. Lopez-Negrete,,1988,,,,, |
| View | Lüziv ve Léwzeyē | \"Léwzeyē | | Léwzeyē | | 0 | Value Unknown | Lüzíomō | Lüzíomō | | Value Unknown | Value Unknown | Lüziv ve Léwzeyē,\"Léwzeyē , Léwzeyē , Léwzim , Lųzęyǫ\' , Lüzíomō , Lüzíomō , Luzüs , Lüzív , Lówzeyē , Lówzeyē , ve Lǿwzim\",Tom Patterson,Web Source,x,x,Indo-European ve,x,A Posteriori,Slightly Advanced |
| View | Manbab | | | A. Beuthner | | 1912 | Value Unknown | | | | Value Unknown | Value Unknown | Manbab,,A. Beuthner,,1912,,,,, |
| View | Maryala | | | B. Máriás B. Marias | | 1946 | Value Unknown | | | | Value Unknown | Value Unknown | Maryala,,B. Máriás B. Marias,,1946,,,,, |
| View | master language | | | S. C. Houghton | | 1907 | Value Unknown | | | | Value Unknown | Value Unknown | master language,,S. C. Houghton,Web Source,1907,x,x,x,x, |
| View | Medial | | | J. Weisbart | | 1922 | Value Unknown | | | | Value Unknown | Value Unknown | Medial,,J. Weisbart,,1922,,,,, |
| View | Medio | | | O. Nachtigall | | 1911 | Value Unknown | | | | Value Unknown | Value Unknown | Medio,,O. Nachtigall,,1911,,,,, |
| View | Megdevi | | | D. Peterson | | 2001 | Value Unknown | | | | Value Unknown | Value Unknown | Megdevi,,D. Peterson,,2001,,,,, |
| View | Merican | | | R. O. Rouek | | 1948 | Value Unknown | | | | Value Unknown | Value Unknown | Merican,,R. O. Rouek,,1948,,,,, |
| View | Meso | | | S. E. Bond | | 1926 | Value Unknown | | | | Value Unknown | Value Unknown | Meso,,S. E. Bond,,1926,,,,, |
| View | Mezdislav | | | B. Fahlke | | 1972 | Value Unknown | | | | Value Unknown | Value Unknown | Mezdislav,,B. Fahlke,,1972,,,,, |
| View | Mezhduslavjanski Jezik | | | L. Podmele | | 1958 | Value Unknown | | | | Value Unknown | Value Unknown | Mezhduslavjanski Jezik,,L. Podmele,,1958,,,,, |
| View | mez-voio | | | J. Jamin | | 1908 | Value Unknown | | | | Value Unknown | Value Unknown | mez-voio,,J. Jamin,Web Source,1908,x,x,x,x, |
| View | Mino\'a | | | Guillaume Boucher | | 2020 | Value Unknown | | | Alternate History | Mixture | Value Unknown | Mino\'a,x,Guillaume Boucher,Web Source,2020,x,x,Alternative History,Mix,Perfect Developed |
| View | Molog | | | H. de Sarranton | | 1911 | Value Unknown | | | | Value Unknown | Value Unknown | Molog,,H. de Sarranton,,1911,,,,, |
| View | Monario I | | | A. Lavagnini | | 1925 | Value Unknown | | | | Value Unknown | Value Unknown | Monario I,,A. Lavagnini,,1925,,,,, |
| View | Monario II | | | A. Lavagnini | | 1929 | Value Unknown | | | | Value Unknown | Value Unknown | Monario II,,A. Lavagnini,,1929,,,,, |
| View | Mondea | | | J. Scheefer | | 1910 | Value Unknown | | | | Value Unknown | Value Unknown | Mondea,,J. Scheefer,,1910,,,,, |
| View | Mondi Lingua | | | A. Lavagnini | | 1955 | Value Unknown | | | | Value Unknown | Value Unknown | Mondi Lingua,,A. Lavagnini,,1955,,,,, |
| View | Mondialo | | | R. de Saussure | | 1929 | Value Unknown | | | | Value Unknown | Value Unknown | Mondialo,,R. de Saussure,,1929,,,,, |
| View | Mondik | | | J. Jousten | | 1929 | Value Unknown | | | | Value Unknown | Value Unknown | Mondik,,J. Jousten,,1929,,,,, |
| View | Mondi-Lingue | | | T. Martineau | | 1931 | Value Unknown | | | | Value Unknown | Value Unknown | Mondi-Lingue,,T. Martineau,,1931,,,,, |
| View | Mondilinguo | | | A. Lavagnini | | 1939 | Value Unknown | | | | Value Unknown | Value Unknown | Mondilinguo,,A. Lavagnini,,1939,,,,, |
| View | Mondilingwo I | | | A. Lavagnini | | 1937 | Value Unknown | | | | Value Unknown | Value Unknown | Mondilingwo I,,A. Lavagnini,,1937,,,,, |
| View | Mondilingwo II | | | A. Lavagnini | | 1938 | Value Unknown | | | | Value Unknown | Value Unknown | Mondilingwo II,,A. Lavagnini,,1938,,,,, |
| View | Mondlingu | | | S. E. Bond | | 1910 | Value Unknown | | | | Value Unknown | Value Unknown | Mondlingu,,S. E. Bond,,1910,,,,, |
| View | Mondlingvo | | | H. Trischen | | 1906 | Value Unknown | | | | Value Unknown | Value Unknown | Mondlingvo,,H. Trischen,Web Source,1906,x,x,x,x, |
| View | Mond-Lingvo | | | J. Weisbart | | 1927 | Value Unknown | | | | Value Unknown | Value Unknown | Mond-Lingvo,,J. Weisbart,,1927,,,,, |
| View | Mondyal | | | G. Durant | | 1932 | Value Unknown | | | | Value Unknown | Value Unknown | Mondyal,,G. Durant,,1932,,,,, |
| View | Monling | | | K. Littlewood | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Monling,,K. Littlewood,,c.1942,,,,, |
| View | Mu-Nba-B | | | A. Beuthner | | 1931 | Value Unknown | | | | Value Unknown | Value Unknown | Mu-Nba-B,,A. Beuthner,,1931,,,,, |
| View | Munda Linguo | | | F. Weber | | 1948 | Value Unknown | | | | Value Unknown | Value Unknown | Munda Linguo,,F. Weber,,1948,,,,, |
| View | Mundal | | | J. Eylenbosch | | 1935 | Value Unknown | | | | Value Unknown | Value Unknown | Mundal,,J. Eylenbosch,,1935,,,,, |
| View | Mundelingva | | | J. Von hummler | | 1904 | Value Unknown | | | | A posteriori | Value Unknown | Mundelingva,,J. Von hummler,Web Source,1904,x,x,x,A Posteriori, |
| View | Mundi Latin | | | J. Weisbart | | 1930 | Value Unknown | | | | Value Unknown | Value Unknown | Mundi Latin,,J. Weisbart,,1930,,,,, |
| View | Mundial | | | F. V. Lorenz | | 1930 | Value Unknown | | | | Value Unknown | Value Unknown | Mundial,,F. V. Lorenz,,1930,,,,, |
| View | Mundion | | | H. Weinrich | | 1951 | Value Unknown | | | | Value Unknown | Value Unknown | Mundion,,H. Weinrich,,1951,,,,, |
| View | Mundographie | Mundographie | | M. H. Von gablenz | | 1964 | Value Unknown | | | | Value Unknown | Value Unknown | Mundographie,Mundographie,M. H. Von gablenz,Web Source,1964,x,x,x,Value Unknown,Value Unknown |
| View | Mundolingua (Menimo) | | | D. Starrenburg | | 1922 | Value Unknown | | | | Value Unknown | Value Unknown | Mundolingua (Menimo),,D. Starrenburg,,1922,,,,, |
| View | Mundolingue | Mundolingue | | J.Lott | | 1890 | Value Unknown | | | | A posteriori | Value Unknown | Mundolingue,Mundolingue,J.Lott,Web Source,1890,x,x,x,A Posteriori,Value Unknown |
| View | Myrana | Myrana | | J. Stempfl | | 1889 | Value Unknown | | | | Value Unknown | Value Unknown | Myrana,Myrana,J. Stempfl,Web Source,1889,x,x,x,Value Unknown,Value Unknown |
| View | Nature\'s Mother Tongue | | | B. E. Lyster | | 1939 | Value Unknown | | | | Value Unknown | Value Unknown | Nature\'s Mother Tongue,,B. E. Lyster,,1939,,,,, |
| View | Na\'vi | Lìʼfya leNaʼvi | | Paul Frommer | | 2005 | Value Unknown | | | Xenolang/Alien | A priori | Value Unknown | Na\'vi,Lìʼfya leNaʼvi,Paul Frommer,Web Source,2005,x,x,Conworld and Xenolang/Alien,A Priori,Student |
| View | Neo Latine | Neo Latine | | E. Courtonne | | 1884 | Value Unknown | | | | A posteriori | Value Unknown | Neo Latine,Neo Latine,E. Courtonne,Web Source,1884,x,x,x,A Posteriori,Value Unknown |
| View | Neo-Esperanto | | | A. Lallemand (pseud. A. du Lothier) | | 1964 | Value Unknown | | | | Value Unknown | Value Unknown | Neo-Esperanto,,A. Lallemand (pseud. A. du Lothier),,1964,,,,, |
| View | Neoglyfy | | | A. S. Batěk A. S. Batek | | 1930 | Value Unknown | | | | Value Unknown | Value Unknown | Neoglyfy,,A. S. Batěk A. S. Batek,,1930,,,,, |
| View | Neolatine | | | G. Semprini | | 1923 | Value Unknown | | | | Value Unknown | Value Unknown | Neolatine,,G. Semprini,,1923,,,,, |
| View | Neolatino | | | P. Lundström P. Lundstrom | | 1928 | Value Unknown | | | | Value Unknown | Value Unknown | Neolatino,,P. Lundström P. Lundstrom,,1928,,,,, |
| View | Neolatino | | | A. Schild | | 1947 | Value Unknown | | | | Value Unknown | Value Unknown | Neolatino,,A. Schild,,1947,,,,, |
| View | Neolatinus | | | A. da Monte Rosso | | 1939 | Value Unknown | | | | Value Unknown | Value Unknown | Neolatinus,,A. da Monte Rosso,,1939,,,,, |
| View | Neoromani (Neoromano) | | | J. Słonimski J. Slonimski | | 1926 | Value Unknown | | | | Value Unknown | Value Unknown | Neoromani (Neoromano),,J. Słonimski J. Slonimski,,1926,,,,, |
| View | Nepo | | | V. Tscheschichin | | 1913 | Value Unknown | | | | Value Unknown | Value Unknown | Nepo,,V. Tscheschichin,,1913,,,,, |
| View | Neulatein | Neulatein | | A. Sturmhöfel | | 1884 | Value Unknown | | | | A posteriori | Value Unknown | Neulatein,Neulatein,A. Sturmhöfel,Web Source,1884,x,x,x,A Posteriori,Value Unknown |
| View | Neu-Latein | | | E. Frandsen | | 1902 | Value Unknown | | | | Value Unknown | Value Unknown | Neu-Latein,,E. Frandsen,Web Source,1902,x,x,x,x,Value Unknown |
| View | Neulateinische Sprache | | | K. Pompiati | | 1956 | Value Unknown | | | | Value Unknown | Value Unknown | Neulateinische Sprache,,K. Pompiati,,1956,,,,, |
| View | Neuslawisch | | | I. Hošek | | 1907 | Value Unknown | | | | A posteriori | Value Unknown | Neuslawisch,,I. Hošek,Web Source,1907,x,x,x,A Posteriori, |
| View | Niu Teutonish | | | E. Molee | | 1906 | Value Unknown | | | | A posteriori | Value Unknown | Niu Teutonish,,E. Molee,Web Source,1906,x,x,x,A Posteriori, |
| View | Niuspik | | | J. Herpitt | | 1956 | Value Unknown | | | | Value Unknown | Value Unknown | Niuspik,,J. Herpitt,,1956,,,,, |
| View | N\'leiina | N\'leiina | | Edward Galaway | | 2019 | Value Unknown | | | | A priori | Value Unknown | N\'leiina,N\'leiina,Edward Galaway,Web Source,2019,x,x,x,A Priori,Perfect Developed |
| View | Nmtish | | | H. Irshad | | 1965 | Value Unknown | | | | Value Unknown | Value Unknown | Nmtish,,H. Irshad,,1965,,,,, |
| View | Noématopasigraphilalie | Noématopasigraphilalie | | F. Dumont de Bonneville | | 1799 | Value Unknown | | | | A priori | Value Unknown | Noématopasigraphilalie,Noématopasigraphilalie,F. Dumont de Bonneville,Web Source,1799,x,x,x,A Priori,Value Unknown |
| View | Nouvelle Numératon Parlée | Nouvelle Numératon Parlée | | Dr. Verdu | | 1859 | Value Unknown | | | | A priori | Value Unknown | Nouvelle Numératon Parlée,Nouvelle Numératon Parlée,Dr. Verdu,Web Source,1859,x,x,x,A Priori,Value Unknown |
| View | Nov Latin | Nov Latin | | D. Rosa | | 1890 | Value Unknown | | | | A posteriori | Value Unknown | Nov Latin,Nov Latin,D. Rosa,Web Source,1890,x,x,x,A Posteriori,Value Unknown |
| View | Nov Latin Logui | | | K. Pompiati | | 1918 | Value Unknown | | | | Value Unknown | Value Unknown | Nov Latin Logui,,K. Pompiati,,1918,,,,, |
| View | Novam | | | G. Touflet | | 1928 | Value Unknown | | | | Value Unknown | Value Unknown | Novam,,G. Touflet,,1928,,,,, |
| View | Nove-Latina | | | J. van Diemen | | 1921 | Value Unknown | | | | Value Unknown | Value Unknown | Nove-Latina,,J. van Diemen,,1921,,,,, |
| View | Nov-Esperanto | | | R. de Saussure | | 1925 | Value Unknown | | | | Value Unknown | Value Unknown | Nov-Esperanto,,R. de Saussure,,1925,,,,, |
| View | Novilatiin | | | E. Beermann | | 1894 | Value Unknown | | | | A posteriori | Value Unknown | Novilatiin,,E. Beermann,Web Source,1894,x,x,x,A Posteriori,Value Unknown |
| View | novilatin | | | E. Beermann | | 1907 | Value Unknown | | | | A posteriori | Value Unknown | novilatin,,E. Beermann,Web Source,1907,x,x,x,A Posteriori, |
| View | Novisimo | | | F. Sosdy | | 1965 | Value Unknown | | | | Value Unknown | Value Unknown | Novisimo,,F. Sosdy,,1965,,,,, |
| View | nummer | | | N. Jekel | | 1909 | Value Unknown | | | | A priori | Value Unknown | nummer,,N. Jekel,Web Source,1909,x,x,x,A Priori, |
| View | Nunihongo | | | J. Henning | | 2004 | Value Unknown | | | | Value Unknown | Value Unknown | Nunihongo,,J. Henning,,2004,,,Other,, |
| View | Nuove-Roman | | | J. E. Puchner | | 1897 | Value Unknown | | | | A posteriori | Value Unknown | Nuove-Roman,,J. E. Puchner,Web Source,1897,x,x,x,A Posteriori,Value Unknown |
| View | Nuvo Volapük | Nuvo Volapük | | A. Kerchoffs | | 1887 | Value Unknown | | | Global Auxiliary | Mixture | Value Unknown | Nuvo Volapük,Nuvo Volapük,A. Kerchoffs,Web Source,1887,x,x,International,Mix,Value Unknown |
| View | Nûvorka | Nûvorka | | Umut İnanç | | 2012 | Value Unknown | | | Personal | A priori | Value Unknown | Nûvorka,Nûvorka,Umut İnanç,Web Source,2012,x,x,Personal,A Priori,Starter |
| View | Obshchyechyelovyeskiy Jezik | | | K. Tsiolkovskiy | | 1927 | Value Unknown | | | | Value Unknown | Value Unknown | Obshchyechyelovyeskiy Jezik,,K. Tsiolkovskiy,,1927,,,,, |
| View | Occidental (Interlingue) | | | E. von de Wahl | | 1922 | Value Unknown | | | | Value Unknown | Value Unknown | Occidental (Interlingue),,E. von de Wahl,,1922,,,,, |
| View | Oeropi | | | T. Mertens-van Gossum | | 1964 | Value Unknown | | | | Value Unknown | Value Unknown | Oeropi,,T. Mertens-van Gossum,,1964,,,,, |
| View | Ofat | | | O. Farnstad | | 1936 | Value Unknown | | | | Value Unknown | Value Unknown | Ofat,,O. Farnstad,,1936,,,,, |
| View | Oidapa | Oidapa | | Chancerel | | 1889 | Value Unknown | | | | Value Unknown | Value Unknown | Oidapa,Oidapa,Chancerel,Web Source,1889,x,x,x,Value Unknown,Value Unknown |
| View | Oiropa Pitshn | | | A. Baumann | | 1928 | Value Unknown | | | | Value Unknown | Value Unknown | Oiropa Pitshn,,A. Baumann,,1928,,,,, |
| View | Olingo | | | R. S. Jaque | | 1944 | Value Unknown | | | | Value Unknown | Value Unknown | Olingo,,R. S. Jaque,,1944,,,,, |
| View | Om | | | L. Vulda | | 1925 | Value Unknown | | | | Value Unknown | Value Unknown | Om,,L. Vulda,,1925,,,,, |
| View | Omnez | | | S. E. Bond | | 1912 | Value Unknown | | | | Value Unknown | Value Unknown | Omnez,,S. E. Bond,,1912,,,,, |
| View | Omo | | | V. Vyengyerov | | 1926 | Value Unknown | | | | Value Unknown | Value Unknown | Omo,,V. Vyengyerov,,1926,,,,, |
| View | Opšteslovenski Jezik | Opšteslovenski Jezik | | B. Kumerdej | | 1793 | Value Unknown | | | | A posteriori | Value Unknown | Opšteslovenski Jezik,Opšteslovenski Jezik,B. Kumerdej,Web Source,1793,x,x,Slav dili,A Posteriori,Value Unknown |
| View | Optoez | | | S. E. Bond | | 1921 | Value Unknown | | | | Value Unknown | Value Unknown | Optoez,,S. E. Bond,,1921,,,,, |
| View | Orba | | | J. Guardiola | | 1893 | Value Unknown | | | | Mixture | Value Unknown | Orba,,J. Guardiola,Web Source,1893,x,x,x,Mix,Value Unknown |
| View | Orbidáie | Orbidáie | | J. Bazin | | 1844 | Value Unknown | | | | A priori | Value Unknown | Orbidáie,Orbidáie,J. Bazin,Web Source,1844,x,x,x,A Priori,Value Unknown |
| View | Ost | | | A. Ostaszewski | | 1926 | Value Unknown | | | | Value Unknown | Value Unknown | Ost,,A. Ostaszewski,,1926,,,,, |
| View | Othba\'aranese | Othba\'aran | | Tormis Narno | | 2017 | Value Unknown | | | | A priori | Value Unknown | Othba\'aranese,Othba\'aran,Tormis Narno,Web Source,2017,x,x,x,A Priori,Perfect Developed |
| View | Oz | | | C. Elam | | 1932 | Value Unknown | | | | Value Unknown | Value Unknown | Oz,,C. Elam,,1932,,,,, |
| View | P@x\'áãokxáã P@x\'aaokxaa | | | E. Ohlms | | 2004 | Value Unknown | | | | Value Unknown | Value Unknown | P@x\'áãokxáã P@x\'aaokxaa,,E. Ohlms,,2004,,,,, |
| View | Pacez | | | Y. Obana | | 1983 | Value Unknown | | | | Value Unknown | Value Unknown | Pacez,,Y. Obana,,1983,,,,, |
| View | Paleneo | | | L. Charteris | | 1972 | Value Unknown | | | | Value Unknown | Value Unknown | Paleneo,,L. Charteris,,1972,,,,, |
| View | Panamane | | | M. E. Amador | | 1936 | Value Unknown | | | | Value Unknown | Value Unknown | Panamane,,M. E. Amador,,1936,,,,, |
| View | Panedo | | | M. Pisaryenko | | 1927 | Value Unknown | | | | Value Unknown | Value Unknown | Panedo,,M. Pisaryenko,,1927,,,,, |
| View | Panglossie | Panglossie | | Le Dantec | | 1889 | Value Unknown | | | | Value Unknown | Value Unknown | Panglossie,Panglossie,Le Dantec,Web Source,1889,x,x,x,Value Unknown,Value Unknown |
| View | Pangraphie | Pangraphie | | S. İvicevic | | 1848 | Value Unknown | | | | A priori | Value Unknown | Pangraphie,Pangraphie,S. İvicevic,Web Source,1848,x,x,x,A Priori,Value Unknown |
| View | Pan-Kel | | | m. Wald | | 1906 | Value Unknown | | | | Mixture | Value Unknown | Pan-Kel,,m. Wald,Web Source,1906,x,x,x,Mix, |
| View | Panlingua | | | L. Weber | | 1938 | Value Unknown | | | | Value Unknown | Value Unknown | Panlingua,,L. Weber,,1938,,,,, |
| View | Panroman | | | H. Molenaar | | 1903 | Value Unknown | | | | A posteriori | Value Unknown | Panroman,,H. Molenaar,Web Source,1903,x,x,x,A Posteriori, |
| View | parla | | | C. Spitzer | | 1907 | Value Unknown | | | | A posteriori | Value Unknown | parla,,C. Spitzer,Web Source,1907,x,x,x,A Posteriori, |
| View | Parlamento | | | G. Perrier (pseud. G. Ferry) | | 1918 | Value Unknown | | | | Value Unknown | Value Unknown | Parlamento,,G. Perrier (pseud. G. Ferry),,1918,,,,, |
| View | Pasigraphie | Pasigraphie | | Earl Of Worchester | | 1663 | Value Unknown | | | | A priori | Value Unknown | Pasigraphie,Pasigraphie,Earl Of Worchester,Web Source,1663,x,x,x,A Priori,x |
| View | Pasigraphie | | | K. Obermair | | 1956 | Value Unknown | | | | Value Unknown | Value Unknown | Pasigraphie,,K. Obermair,,1956,,,,, |
| View | Pasilalie | Pasilalie | | A. Burja | | 1808 | Value Unknown | | | | A priori | Value Unknown | Pasilalie,Pasilalie,A. Burja,Web Source,1808,x,x,x,A Priori,Value Unknown |
| View | Pasilingua | Pasilingua | | P. Steiner | | 1885 | Value Unknown | | | | A posteriori | Value Unknown | Pasilingua,Pasilingua,P. Steiner,Web Source,1885,x,x,x,A Posteriori,Value Unknown |
| View | Pasilingua Hebraica | Pasilingua Hebraica | | F. Lenz | | 1887 | Value Unknown | | | | A posteriori | Value Unknown | Pasilingua Hebraica,Pasilingua Hebraica,F. Lenz,Web Source,1887,x,x,x,A Posteriori,Value Unknown |
| View | Peace Language | | | F. Sosdy | | 1950 | Value Unknown | | | | Value Unknown | Value Unknown | Peace Language,,F. Sosdy,,1950,,,,, |
| View | Perfektigo de Esperanto | | | Z. Romański Z. Romanski | | 1910 | Value Unknown | | | | Value Unknown | Value Unknown | Perfektigo de Esperanto,,Z. Romański Z. Romanski,,1910,,,,, |
| View | Perfektsprache | | | A. Hartl | | 1909 | Value Unknown | | | | A posteriori | Value Unknown | Perfektsprache,,A. Hartl,Web Source,1909,x,x,x,A Posteriori, |
| View | Perio | | | M. Talundberg | | 1904 | Value Unknown | | | | A posteriori | Value Unknown | Perio,,M. Talundberg,Web Source,1904,x,x,x,A Posteriori, |
| View | Philosophical Language | Philosophical Language | | J. Wilkins | | 1668 | Value Unknown | | | | A priori | Value Unknown | Philosophical Language,Philosophical Language,J. Wilkins,Web Source,1668,x,x,x,A Priori,Value Unknown |
| View | Phonarithmon | Phonarithmon | | W. H. Henslowe | | 1840 | Value Unknown | | | | A priori | Value Unknown | Phonarithmon,Phonarithmon,W. H. Henslowe,Web Source,1840,x,x,x,A Priori,Value Unknown |
| View | Phonetic | | | C. H. Johnson | | 1959 | Value Unknown | | Latin - Europa | | A posteriori | Value Unknown | Phonetic,,C. H. Johnson,,1959,,Latin - Europa,,A Posteriori, |
| View | Picto | | | K. J. S. Janson | | 1957 | Value Unknown | | | | Value Unknown | Value Unknown | Picto,,K. J. S. Janson,,1957,,,,, |
| View | Pikto | | | J. E. Williams | | 1959 | Value Unknown | | | | Value Unknown | Value Unknown | Pikto,,J. E. Williams,,1959,,,,, |
| View | Pocket Pasilex | | | C. Obermair | | 1963 | Value Unknown | | | | Value Unknown | Value Unknown | Pocket Pasilex,,C. Obermair,,1963,,,,, |
| View | Potaiglob | | | P. B. Bohin | | 1898 | Value Unknown | | | | A posteriori | Value Unknown | Potaiglob,,P. B. Bohin,Web Source,1898,x,x,x,A Posteriori,Value Unknown |
| View | Preist\'s Napo | | | Xorol | | 2020 | Value Unknown | | | | A priori | Value Unknown | Preist\'s Napo,x,Xorol,Web Source,2020,x,x,x,A Priori,Value Unknown |
| View | Prometej-Prosvetitelj | | | E. Gurin | | 1898 | Value Unknown | | | | A priori | Value Unknown | Prometej-Prosvetitelj,,E. Gurin,Web Source,1898,x,x,x,A Priori,Value Unknown |
| View | Proto-Central Mountain | | | J. Burke | | 2007 | Value Unknown | | | | Value Unknown | Value Unknown | Proto-Central Mountain,,J. Burke,,2007,,,,, |
| View | Proto-Kúiito / Transportation Kúiito / Islve Kúiito | Sgmbóṙṙ Iṙíiṙ | | N. Harlan Hancock | | 2018 | Value Unknown | | | | A priori | Value Unknown | Proto-Kúiito / Transportation Kúiito / Islve Kúiito,Sgmbóṙṙ Iṙíiṙ,N. Harlan Hancock,Web Source,2018,x,x,x,A Priori,Slightly Advanced |
| View | Proto-Q\'alasust | | | Davi Camargo Azunite#8440 | | 2020 | Value Unknown | | | | A priori | Value Unknown | Proto-Q\'alasust,x,Davi Camargo Azunite#8440,Web Source,2020,x,x,x,A Priori,Value Unknown |
| View | Pure Saxon English | Pure Saxon English | | E. Molee | | 1890 | Value Unknown | | | | A posteriori | Value Unknown | Pure Saxon English,Pure Saxon English,E. Molee,Web Source,1890,x,x,x,A Posteriori,Value Unknown |
| View | Pveunia | pveunia | | Risto Kupsala | | 2010 | Value Unknown | | | Global Auxiliary | A posteriori | Value Unknown | Pveunia,pveunia,Risto Kupsala,Web Source,2010,x,x,Global Auxiliary Language,A Posteriori,Active Community |
| View | QJ | | | S. Kukel-Krajevsky | | 1921 | Value Unknown | | | | Value Unknown | Value Unknown | QJ,,S. Kukel-Krajevsky,,1921,,,,, |
| View | Qôsmianî Qosmiani | | | W. M. L. Beatty | | 1922 | Value Unknown | | | | Value Unknown | Value Unknown | Qôsmianî Qosmiani,,W. M. L. Beatty,,1922,,,,, |
| View | Radioglot | | | J. R. Te Winkel | | 1956 | Value Unknown | | | | Value Unknown | Value Unknown | Radioglot,,J. R. Te Winkel,,1956,,,,, |
| View | Reform Esperanto | | | P. D. Hugon | | 1910 | Value Unknown | | | | Value Unknown | Value Unknown | Reform Esperanto,,P. D. Hugon,,1910,,,,, |
| View | Reform-Esperanto | | | P. Rodet | | 1910 | Value Unknown | | | | Value Unknown | Value Unknown | Reform-Esperanto,,P. Rodet,,1910,,,,, |
| View | Reform-Latein | | | K. Frölich | | 1902 | Value Unknown | | | | Value Unknown | Value Unknown | Reform-Latein,,K. Frölich,Web Source,1902,x,x,x,x, |
| View | Reform-Neutral | | | W. K. Rosenberger | | 1912 | Value Unknown | | | | Value Unknown | Value Unknown | Reform-Neutral,,W. K. Rosenberger,,1912,,,,, |
| View | Relingua | | | J. Tempest | | 1941 | Value Unknown | | | | Value Unknown | Value Unknown | Relingua,,J. Tempest,,1941,,,,, |
| View | ReNeo | | | N. D. Shyevchugov | | 1968 | Value Unknown | | | | Value Unknown | Value Unknown | ReNeo,,N. D. Shyevchugov,,1968,,,,, |
| View | Resdonchia | Resdonchia | | Can yiğit | | 2016 | Value Unknown | | | | Value Unknown | Value Unknown | Resdonchia,Resdonchia,Can yiğit,Web Source,2016,x,x,Art,Value Unknown,Starter |
| View | Riliano | Rilianikainal | | Eufalesio | | 0 | Value Unknown | Web Source | 2017 | | Value Unknown | Value Unknown | Riliano, Rilianikainal, Rilianikainal, Rilianikainal, Eufalesio,Web Source,2017,Qeþekolka script,x,Conworld,A Prior,Perfect Developed |
| View | \"Riverspeak | Proto-\" | | [TBD] | | 0 | Value Unknown | 2019 | | | Value Unknown | Value Unknown | \"Riverspeak, Proto-\",[TBD],Xavier Lau-Cavanaugh,Web Source,2019,x,x,x,A Priori,Value Unknown |
| View | Rokbeigalmki | | | S. Belsky | | 1997 | Value Unknown | | | | Value Unknown | Value Unknown | Rokbeigalmki,,S. Belsky,,1997,,,,, |
| View | Romanés Romanes | | | W. D. Hinde | | 1947 | Value Unknown | | | | Value Unknown | Value Unknown | Romanés Romanes,,W. D. Hinde,,1947,,,,, |
| View | Ruski Jezik | Ruski Jezik | | J. Krizaniç | | 1666 | Value Unknown | | | | A posteriori | Value Unknown | Ruski Jezik,Ruski Jezik,J. Krizaniç,Web Source,1666,x,x,Slav dili,A Posteriori,Value Unknown |
| View | Sabir | | | P. Moralda | | 1932 | Value Unknown | | | | Value Unknown | Value Unknown | Sabir,,P. Moralda,,1932,,,,, |
| View | Safo | | | A. Eckardt | | 1962 | Value Unknown | | | | Value Unknown | Value Unknown | Safo,,A. Eckardt,,1962,,,,, |
| View | Salvador | | | F. Gavidia | | 1909 | Value Unknown | | | | Value Unknown | Value Unknown | Salvador,,F. Gavidia,,1909,,,,, |
| View | Scinterlingua | | | G. Viveros | | 1931 | Value Unknown | | | | Value Unknown | Value Unknown | Scinterlingua,,G. Viveros,,1931,,,,, |
| View | Scriptura Oecumenica | Scriptura Oecumenica | | Carpophorophilus | | 1732 | Value Unknown | | | | A posteriori | Value Unknown | Scriptura Oecumenica,Scriptura Oecumenica,Carpophorophilus,Web Source,1732,x,x,x,A Posteriori,Value Unknown |
| View | Sekaigo | | | World Unification Movement | | 1967 | Value Unknown | | | | Value Unknown | Value Unknown | Sekaigo,,World Unification Movement,,1967,,,,, |
| View | Semantography (Blissymbolics) | | | C. K. Bliss | | 1949 | Value Unknown | | | | Value Unknown | Value Unknown | Semantography (Blissymbolics),,C. K. Bliss,,1949,,,,, |
| View | Semilatin | | | W. Moeser (pseud. Austriacus) | | 1910 | Value Unknown | | | | Value Unknown | Value Unknown | Semilatin,,W. Moeser (pseud. Austriacus),,1910,,,,, |
| View | Sermo | Sermo | | A. Browne | | 1889 | Value Unknown | | | | Value Unknown | Value Unknown | Sermo,Sermo,A. Browne,Web Source,1889,x,x,x,Value Unknown,Value Unknown |
| View | Serve | | | O. T. Kunstovný O. T. Kunstovny | | 1928 | Value Unknown | | | | Value Unknown | Value Unknown | Serve,,O. T. Kunstovný O. T. Kunstovny,,1928,,,,, |
| View | Siaro | Siarca | | Sabuhi Mursalli | | 2013 | Value Unknown | Latin Alfabesi | | | Mixture | Value Unknown | Siaro,Siarca,Sabuhi Mursalli,Web Source,2013,Latin Alfabesi,x,Art,Mix,Perfect Developed |
| View | Simplificat Italian | | | A. Faccioli | | 1931 | Value Unknown | | | | Value Unknown | Value Unknown | Simplificat Italian,,A. Faccioli,,1931,,,,, |
| View | Simplo | | | Ferranti | | 1911 | Value Unknown | | | | Value Unknown | Value Unknown | Simplo,,Ferranti,,1911,,,,, |
| View | Sinnensprache | Sinnensprache | | A. Riem | | 1809 | Value Unknown | | | | A priori | Value Unknown | Sinnensprache,Sinnensprache,A. Riem,Web Source,1809,x,x,x,A Priori,Value Unknown |
| View | Sintesal | | | N. Rubinin | | 1930 | Value Unknown | | | | Value Unknown | Value Unknown | Sintesal,,N. Rubinin,,1930,,,,, |
| View | Slavina | | | J. Konečný J. Konecny | | 1912 | Value Unknown | | | | Value Unknown | Value Unknown | Slavina,,J. Konečný J. Konecny,,1912,,,,, |
| View | Slavski Jezik | | | B. Holý B. Holy | | 1920 | Value Unknown | | | | Value Unknown | Value Unknown | Slavski Jezik,,B. Holý B. Holy,,1920,,,,, |
| View | Slovanština Slovanstina | | | E. Kolkop | | 1913 | Value Unknown | | | | Value Unknown | Value Unknown | Slovanština Slovanstina,,E. Kolkop,,1913,,,,, |
| View | Solinga | | | A. M. Lichtgyeym | | 1967 | Value Unknown | | | | Value Unknown | Value Unknown | Solinga,,A. M. Lichtgyeym,,1967,,,,, |
| View | Sollinga | | | A. M. Lichtgyeym | | 1961 | Value Unknown | | | | Value Unknown | Value Unknown | Sollinga,,A. M. Lichtgyeym,,1961,,,,, |
| View | spelin | spelin | | J. Bauer | | 1888 | Value Unknown | | | Global Auxiliary | Mixture | Value Unknown | spelin,spelin,J. Bauer,Web Source,1888,x,x,International,Mix,Value Unknown |
| View | Spiranta | | | P. Stojan (pseud. P. Radovich) | | 1911 | Value Unknown | | | | Value Unknown | Value Unknown | Spiranta,,P. Stojan (pseud. P. Radovich),,1911,,,,, |
| View | SPL (Simplified Latin) | | | R. Dominicus | | 1982 | Value Unknown | | | | Value Unknown | Value Unknown | SPL (Simplified Latin),,R. Dominicus,,1982,,,,, |
| View | Sprachwissenschaftliche Kombinatorik | Sprachwissenschaftliche Kombinatorik | | J. Bauer | | 1886 | Value Unknown | | | Global Auxiliary | Mixture | Value Unknown | Sprachwissenschaftliche Kombinatorik,Sprachwissenschaftliche Kombinatorik,J. Bauer,Web Source,1886,x,x,International,Mix,Value Unknown |
| View | Sputnik | | | R. K. Verma | | 1964 | Value Unknown | | | | Value Unknown | Value Unknown | Sputnik,,R. K. Verma,,1964,,,,, |
| View | Standard World Language | | | W. J. Cuthbertson | | 1919 | Value Unknown | | | | Value Unknown | Value Unknown | Standard World Language,,W. J. Cuthbertson,,1919,,,,, |
| View | Stipfone | | | A. Lallemand (pseud. A. du Lothier) | | 1960 | Value Unknown | | | | Value Unknown | Value Unknown | Stipfone,,A. Lallemand (pseud. A. du Lothier),,1960,,,,, |
| View | Stveard Retenian | | | Victor Lubiez | | 2018 | Value Unknown | | | | A posteriori | Value Unknown | Stveard Retenian,x,Victor Lubiez,Web Source,2018,x,x,x,A Posteriori,Perfect Developed |
| View | Su Dili | | | Mike Armbrust | | 2006 | Value Unknown | | | Personal | A priori | Value Unknown | Su Dili,x,Mike Armbrust,Web Source,2006,x,x,Personal,A Priori,Kroki / Minimal |
| View | Suma | | | B. Russell | | 1957 | Value Unknown | | | | Value Unknown | Value Unknown | Suma,,B. Russell,,1957,,,,, |
| View | Susal | | | A. Levanzin and L. Maxwell | | 1930 | Value Unknown | | | | Value Unknown | Value Unknown | Susal,,A. Levanzin and L. Maxwell,,1930,,,,, |
| View | Sveic | | | A.C. Simon | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Sveic,x,A.C. Simon,Web Source,0,x,x,x,Value Unknown,Value Unknown |
| View | Sveslav | | | C. Djurdjević C. Djurdjevic | | 1940 | Value Unknown | | | | Value Unknown | Value Unknown | Sveslav,,C. Djurdjević C. Djurdjevic,,1940,,,,, |
| View | Synthetic English | | | A. P. Draper | | 1935 | Value Unknown | | | | Value Unknown | Value Unknown | Synthetic English,,A. P. Draper,,1935,,,,, |
| View | Tá à p\'u | | | Eddy the Great | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Tá à p\'u,x,Eddy the Great,Web Source,0,x,x,x,Value Unknown,Value Unknown |
| View | Ta\'aramudo | Ta\'arámudo | | jan Kan | | 2020 | Value Unknown | | | | A priori | Value Unknown | Ta\'aramudo,Ta\'arámudo,jan Kan,Web Source,2020,x,x,x,A Priori,Perfect Developed |
| View | Tal | | | A. Hoessrich | | 1903 | Value Unknown | | | | Mixture | Value Unknown | Tal,,A. Hoessrich,Web Source,1903,x,x,x,Mix, |
| View | Tal | | | A. H. Talano | | 1941 | Value Unknown | | | | Value Unknown | Value Unknown | Tal,,A. H. Talano,,1941,,,,, |
| View | Tarkcha | Tarkça | | Barkas Hafai (Mustafa Geyik) | | 2021 | Value Unknown | | Altay | Personal | Value Unknown | Value Unknown | Tarkcha,Tarkça,Barkas Hafai (Mustafa Geyik),Web Source,2021,,Altay,Personal - Other,Other Doğal Dil ve Yapay Diller,Starter |
| View | TauDudeBlobber\'s 1 hour challenge conlang | | | TauDudeBlobber | | 2020 | Value Unknown | | | Experimental | A priori | Value Unknown | TauDudeBlobber\'s 1 hour challenge conlang,x,TauDudeBlobber,Web Source,2020,x,x,Experimental,A Priori,Value Unknown |
| View | Telekaba | | | K. Pirquet | | 1913 | Value Unknown | | | | Value Unknown | Value Unknown | Telekaba,,K. Pirquet,,1913,,,,, |
| View | Teonaht | | | S. Higley | | 1998 | Value Unknown | | | | Value Unknown | Value Unknown | Teonaht,,S. Higley,,1998,,,,, |
| View | Tepa | | | D. Elzinga | | 1995 | Value Unknown | | | | Value Unknown | Value Unknown | Tepa,,D. Elzinga,,1995,,,,, |
| View | Tersboca | | | M. Rotter | | 1912 | Value Unknown | | | | Value Unknown | Value Unknown | Tersboca,,M. Rotter,,1912,,,,, |
| View | Terste\'hisdemm | terste\'hisdemm | | erSlippers | | 2020 | Value Unknown | | | Experimental | A priori | Value Unknown | Terste\'hisdemm,terste\'hisdemm,erSlippers,Web Source,2020,x,x,Experimental,A Priori,Value Unknown |
| View | Þrjótrunn Thrjotrunn | | | H. Theiling | | 2006 | Value Unknown | | | | Value Unknown | Value Unknown | Þrjótrunn Thrjotrunn,,H. Theiling,,2006,,,,, |
| View | Thveian | - | | Biblaridion | | 2013 | Value Unknown | | | | A posteriori | Value Unknown | Thveian,-,Biblaridion,Web Source,2013,x,x,x,A Posteriori,Value Unknown |
| View | Thveiespo | | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Thveiespo,x,x,Web Source,0,x,x,x,Value Unknown,Value Unknown |
| View | Timerio | | | Thiemer | | 1921 | Value Unknown | | | | Value Unknown | Value Unknown | Timerio,,Thiemer,,1921,,,,, |
| View | Toito Spike | | | E. Molee | | 1923 | Value Unknown | | | | Value Unknown | Value Unknown | Toito Spike,,E. Molee,,1923,,,,, |
| View | Tokana | | | M. Pearson | | 1996 | Value Unknown | | | | Value Unknown | Value Unknown | Tokana,,M. Pearson,,1996,,,,, |
| View | Tourkisce | Tourkisce | | Omug97omug | | 2010 | Value Unknown | | | | A posteriori | Value Unknown | Tourkisce,Tourkisce,Omug97omug,Web Source,2010,x,x,Uluslar arası yardımcı dil,A Posteriori,Starter |
| View | Transcendent Algebra | | | J. Linzbach | | 1921 | Value Unknown | | | | Value Unknown | Value Unknown | Transcendent Algebra,,J. Linzbach,,1921,,,,, |
| View | Translingua | | | E. Funke | | 1956 | Value Unknown | | | | Value Unknown | Value Unknown | Translingua,,E. Funke,,1956,,,,, |
| View | Ts\'ap\'u-k\'ama | Ts\'ap\'u-k\'ama | | Biblaridion | | 2016 | Value Unknown | | | | A priori | Value Unknown | Ts\'ap\'u-k\'ama,Ts\'ap\'u-k\'ama,Biblaridion,Web Source,2016,x,x,x,A Priori,Value Unknown |
| View | Tungl | | | D. S. Blacklock | | 1964 | Value Unknown | | | | Value Unknown | Value Unknown | Tungl,,D. S. Blacklock,,1964,,,,, |
| View | Tunish | | | D. S. Blacklock | | 1963 | Value Unknown | | | | Value Unknown | Value Unknown | Tunish,,D. S. Blacklock,,1963,,,,, |
| View | Tutonish | | | E. Molee | | 1902 | Value Unknown | | | | A posteriori | Value Unknown | Tutonish,,E. Molee,Web Source,1902,x,x,x,A Posteriori, |
| View | Ujlatin | | | A. Koleszár A. Koleszar | | 1917 | Value Unknown | | Latin - Europa | | A posteriori | Value Unknown | Ujlatin,,A. Koleszár A. Koleszar,,1917,,Latin - Europa,,A Posteriori, |
| View | ulla | | | f. Greenwood | | 1906 | Value Unknown | | | | A posteriori | Value Unknown | ulla,,f. Greenwood,Web Source,1906,x,x,x,A Posteriori, |
| View | Una | | | F. Buckel | | 1926 | Value Unknown | | | | Value Unknown | Value Unknown | Una,,F. Buckel,,1926,,,,, |
| View | Unesal Interlingu | | | E. Weferling | | 1923 | Value Unknown | | | | Value Unknown | Value Unknown | Unesal Interlingu,,E. Weferling,,1923,,,,, |
| View | Unesal | | | E. Weferling | | 1968 | Value Unknown | | | | Value Unknown | Value Unknown | Unesal,,E. Weferling,,1968,,,,, |
| View | Uneso | | | J. Nordin | | 1961 | Value Unknown | | | | Value Unknown | Value Unknown | Uneso,,J. Nordin,,1961,,,,, |
| View | Uni | | | E. Wainscott | | 1974 | Value Unknown | | | | Value Unknown | Value Unknown | Uni,,E. Wainscott,,1974,,,,, |
| View | Unial | | | J. Weisbart | | 1909 | Value Unknown | | | | Value Unknown | Value Unknown | Unial,,J. Weisbart,,1909,,,,, |
| View | Uniala | | | P. J. Troost | | 1928 | Value Unknown | | | | Value Unknown | Value Unknown | Uniala,,P. J. Troost,,1928,,,,, |
| View | Unilingua | | | R. Self | | 1964 | Value Unknown | | | | Value Unknown | Value Unknown | Unilingua,,R. Self,,1964,,,,, |
| View | Unilingua | | | N. Agopoff | | 1965 | Value Unknown | | | | Value Unknown | Value Unknown | Unilingua,,N. Agopoff,,1965,,,,, |
| View | Unilingue | | | A. Lavagnini | | 1923 | Value Unknown | | | | Value Unknown | Value Unknown | Unilingue,,A. Lavagnini,,1923,,,,, |
| View | Unilo | | | V. Jørgensen V. Jorgensen | | 1961 | Value Unknown | | | | Value Unknown | Value Unknown | Unilo,,V. Jørgensen V. Jorgensen,,1961,,,,, |
| View | Uni-Spik | | | G. de Biran | | 1950 | Value Unknown | | | | Value Unknown | Value Unknown | Uni-Spik,,G. de Biran,,1950,,,,, |
| View | Unita | | | P. Stojan (pseud. P. Radovich) | | 1923 | Value Unknown | | | | Value Unknown | Value Unknown | Unita,,P. Stojan (pseud. P. Radovich),,1923,,,,, |
| View | Unitario | | | M. Pleyer | | 1987 | Value Unknown | | | | Value Unknown | Value Unknown | Unitario,,M. Pleyer,,1987,,,,, |
| View | Uniti Langue | | | F. Riedel and O. Scheffers | | 1923 | Value Unknown | | | | Value Unknown | Value Unknown | Uniti Langue,,F. Riedel and O. Scheffers,,1923,,,,, |
| View | Universal Dolmetscher Sprache | Universal Dolmetscher Sprache | | A. F. Staffler | | 1869 | Value Unknown | | | | A priori | Value Unknown | Universal Dolmetscher Sprache,Universal Dolmetscher Sprache,A. F. Staffler,Web Source,1869,x,x,x,A Priori,Value Unknown |
| View | Universal Language | Universal Language | | isaac newton | | 1661 | Value Unknown | | | Global Auxiliary | A priori | Value Unknown | Universal Language,Universal Language,isaac newton,Web Source,1661,x,x,International,A Priori,Kroki / Minimal |
| View | Universal Philosophical Language | Universal Philosophical Language | | R. Jones | | 1769 | Value Unknown | | | Philosophical | A priori | Value Unknown | Universal Philosophical Language,Universal Philosophical Language,R. Jones,Web Source,1769,x,x,Philosophical,A Priori,Value Unknown |
| View | Universal | | | G. Muravkiy | | 1925 | Value Unknown | | | | Value Unknown | Value Unknown | Universal,,G. Muravkiy,,1925,,,,, |
| View | Universal | | | Prince Immanuel of Jerusalem | | 1914 | Value Unknown | | | | Value Unknown | Value Unknown | Universal,,Prince Immanuel of Jerusalem,,1914,,,,, |
| View | Universala | | | E. H. Heintzeler | | 1893 | Value Unknown | | | | A posteriori | Value Unknown | Universala,,E. H. Heintzeler,Web Source,1893,x,x,x,A Posteriori,Value Unknown |
| View | Universal-Esperanto | | | R. de Saussure | | 1935 | Value Unknown | | | | Value Unknown | Value Unknown | Universal-Esperanto,,R. de Saussure,,1935,,,,, |
| View | Universal-Latein | | | W. Möser | | 1902 | Value Unknown | | | | Value Unknown | Value Unknown | Universal-Latein,,W. Möser,Web Source,1902,x,x,x,x, |
| View | Universal-Latein | | | K. Pötzl-Pecelius K. Potzl-Pecelius | | 1952 | Value Unknown | | | | Value Unknown | Value Unknown | Universal-Latein,,K. Pötzl-Pecelius K. Potzl-Pecelius,,1952,,,,, |
| View | Universalspråket Universalspraket | | | K. Keyser | | 1918 | Value Unknown | | | | Value Unknown | Value Unknown | Universalspråket Universalspraket,,K. Keyser,,1918,,,,, |
| View | Universel | | | A. J. Decormis | | 1948 | Value Unknown | | | | Value Unknown | Value Unknown | Universel,,A. J. Decormis,,1948,,,,, |
| View | Unolok | | | H. Wilshire | | 1957 | Value Unknown | | | | Value Unknown | Value Unknown | Unolok,,H. Wilshire,,1957,,,,, |
| View | Uropa | | | W. Donisthorpe | | 1913 | Value Unknown | | | | Value Unknown | Value Unknown | Uropa,,W. Donisthorpe,,1913,,,,, |
| View | Utilo | | | A. R. Harrod | | 1962 | Value Unknown | | | | Value Unknown | Value Unknown | Utilo,,A. R. Harrod,,1962,,,,, |
| View | Utoki | | | J. Manprice (pseud. E. Lipman) | | 1964 | Value Unknown | | | | Value Unknown | Value Unknown | Utoki,,J. Manprice (pseud. E. Lipman),,1964,,,,, |
| View | Uzajmeni Slavjanski Jezik | Uzajmeni Slavjanski Jezik | | M. Majar | | 1865 | Value Unknown | | | | A posteriori | Value Unknown | Uzajmeni Slavjanski Jezik,Uzajmeni Slavjanski Jezik,M. Majar,Web Source,1865,x,x,Slav dili,A Posteriori,Value Unknown |
| View | Valdyan | | | I. Rempt | | 1999 | Value Unknown | | | | Value Unknown | Value Unknown | Valdyan,,I. Rempt,,1999,,,,, |
| View | Vela | | | B. Prist | | 1995 | Value Unknown | | | | Value Unknown | Value Unknown | Vela,,B. Prist,,1995,,,,, |
| View | Veltlang | | | F. Braendle | | 1910 | Value Unknown | | | | Value Unknown | Value Unknown | Veltlang,,F. Braendle,,1910,,,,, |
| View | Veltparl | | | W. Von Arnim | | 1896 | Value Unknown | | | | Mixture | Value Unknown | Veltparl,,W. Von Arnim,Web Source,1896,x,x,x,Mix,Value Unknown |
| View | Verbessertes Esperanto | | | P. Völz P. Volz | | 1919 | Value Unknown | | | | Value Unknown | Value Unknown | Verbessertes Esperanto,,P. Völz P. Volz,,1919,,,,, |
| View | Verkehrssprache | Verkehrssprache | | J. Lott | | 1888 | Value Unknown | | | | A posteriori | Value Unknown | Verkehrssprache,Verkehrssprache,J. Lott,Web Source,1888,x,x,x,A Posteriori,Value Unknown |
| View | Vikto | | | V. Bősz V. Bosz | | 1981 | Value Unknown | | | | Value Unknown | Value Unknown | Vikto,,V. Bősz V. Bosz,,1981,,,,, |
| View | Világnyelv | Világnyelv | | J. Bolyai | | 1832 | Value Unknown | | | | Value Unknown | Value Unknown | Világnyelv,Világnyelv,J. Bolyai,Web Source,1832,x,x,x,x,Value Unknown |
| View | Visona | Visona | | Dr. Sivartha | | 1887 | Value Unknown | | | | A priori | Value Unknown | Visona,Visona,Dr. Sivartha,Web Source,1887,x,x,x,A Priori,Value Unknown |
| View | Viva | | | N. Nesmeyanov | | 1913 | Value Unknown | | | | Value Unknown | Value Unknown | Viva,,N. Nesmeyanov,,1913,,,,, |
| View | Vorlin | | | R. Harrison | | 1991 | Value Unknown | | | | Value Unknown | Value Unknown | Vorlin,,R. Harrison,,1991,,,,, |
| View | Völkerverkehrssprache | | | C. Dietrich | | 1902 | Value Unknown | | | | A priori | Value Unknown | Völkerverkehrssprache,,C. Dietrich,Web Source,1902,x,x,x,A Priori, |
| View | Vrkhazhian ve | Śād Warḫālali ve Śātti | | Malcolm G Holborne (Ahzoh) | | 2014 | Value Unknown | | | | A priori | Value Unknown | Vrkhazhian ve,Śād Warḫālali ve Śātti,Malcolm G Holborne (Ahzoh),Web Source,2014,x,x,Conworld,A Priori,Perfect Developed |
| View | Vuldal | | | M. Hovey | | 1972 | Value Unknown | | | | Value Unknown | Value Unknown | Vuldal,,M. Hovey,,1972,,,,, |
| View | Wal\'aval\'wa | Waľavaľwá | | Rowan Jacobs | | 2020 | Value Unknown | | | | A priori | Value Unknown | Wal\'aval\'wa,Waľavaľwá,Rowan Jacobs,Web Source,2020,x,x,x,A Priori,Perfect Developed |
| View | Wede (Weltdeutsch) | | | A. Baumann | | 1915 | Value Unknown | | | | Value Unknown | Value Unknown | Wede (Weltdeutsch),,A. Baumann,,1915,,,,, |
| View | Weltdeutsch | | | W. Ostwald | | 1916 | Value Unknown | | | | Value Unknown | Value Unknown | Weltdeutsch,,W. Ostwald,,1916,,,,, |
| View | \"Weltdeutsch | das Verbesserte Wede\" | | | | 0 | Value Unknown | 1916 | | | Value Unknown | Value Unknown | \"Weltdeutsch, das Verbesserte Wede\",,A. Baumann,,1916,,,,, |
| View | Weltpitshn | | | A. Baumann | | 1926 | Value Unknown | | | | Value Unknown | Value Unknown | Weltpitshn,,A. Baumann,,1926,,,,, |
| View | Weltsprache | Weltsprache | | A. Volk and R. Fuchs | | 1883 | Value Unknown | | | | A posteriori | Value Unknown | Weltsprache,Weltsprache,A. Volk and R. Fuchs,Web Source,1883,x,x,x,A Posteriori,Value Unknown |
| View | \"Whisper Tongue | The\" | | Setthir | | 0 | Value Unknown | 2017 | | | Value Unknown | Well-developed | \"Whisper Tongue, The\",Setthir,Marc A. Rivas,Web Source,2017,x,x,Conworld ve Spiritual/Mystical/Ritual,A Priori,Perfect Developed |
| View | Wilkins\'s Language | | | John Wilkins | | 1668 | Value Unknown | | | Philosophical | A priori | Value Unknown | Wilkins\'s Language,x,John Wilkins,Web Source,1668,x,x,Philosophical,A Priori,Perfect Developed |
| View | Wolflveic | Lupolveixedatzano | | Ian Foster | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Wolflveic,Lupolveixedatzano,Ian Foster,Web Source,0,x,x,x,Value Unknown,Value Unknown |
| View | World English (Cosmo-English) | | | J. W. Hamilton | | 1924 | Value Unknown | | | | Value Unknown | Value Unknown | World English (Cosmo-English),,J. W. Hamilton,,1924,,,,, |
| View | Yılmazca | Yilnezçe | | Murat Yılmaz | | 2004 | Value Unknown | | | Personal | A posteriori | Value Unknown | Yılmazca,Yilnezçe,Murat Yılmaz,Web Source,2004,x,x,Personal,A Posteriori,Starter |
| View | Yokang Tili | Yokang | | Tuncay Köse | | 2016 | Value Unknown | | | | A posteriori | Value Unknown | Yokang Tili,Yokang,Tuncay Köse,Web Source,2016,x,x,Art,A Posteriori,Starter |
| View | Zacno | | | D. A. Porter | | 1964 | Value Unknown | | | | Value Unknown | Value Unknown | Zacno,,D. A. Porter,,1964,,,,, |
| View | Zahlensprache | | | F. Hilbe | | 1901 | Value Unknown | | | | Value Unknown | Value Unknown | Zahlensprache,,F. Hilbe,Web Source,1901,x,x,x,x,Value Unknown |
| View | Zamalo (Zamenhof-Alting) | | | F. Alting | | 1966 | Value Unknown | | | | Value Unknown | Value Unknown | Zamalo (Zamenhof-Alting),,F. Alting,,1966,,,,, |
| View | Zilengo | Zilengo | | Asajiro Oka | | 1890 | Value Unknown | | | | A posteriori | Value Unknown | Zilengo,Zilengo,Asajiro Oka,Web Source,1890,x,x,x,A Posteriori,Slightly Advanced |
| View | Kamnang | Kamnang | | Ian Riley | | 2020 | Value Unknown | \"ʔn Script | Latin | | Value Unknown | Value Unknown | Kamnang,Kamnang,Ian Riley,Web Source,2020,\"ʔn Script, Latin, Latin (ASCII)\",x,Experimental,A Priori,Student |
| View | Mainlve Arlveian ve Arlveian | \"Arlveii | | Aṡian | | 0 | Value Unknown | | 2017 | | Value Unknown | Value Unknown | Mainlve Arlveian ve Arlveian,\"Arlveii , Aṡian , ve Aṡian Spreag\",helsy f,,2017,\"Arlveian, Latin\",,Germen ve Arlveian,A posteriori,Value Unknown |
| View | Northern Arlveian | Nordij ve Sajrij Aspreag | | helsy f | | 2017 | Value Unknown | \"Arlveian | Latin\" | | Value Unknown | Value Unknown | Northern Arlveian,Nordij ve Sajrij Aspreag,helsy f,,2017,\"Arlveian, Latin\",,Germen ve Arlveian,A posteriori,Value Unknown |
| View | Diddlydonk ve Donklish language | \"dedeledonk | | donkloi nevalan | | 0 | Value Unknown | Web Source | 2019 | | Value Unknown | Value Unknown | Diddlydonk ve Donklish language,\"dedeledonk , donkloi nevalan , ve\",THEDONKLER/ Daryl Anonymous,Web Source,2019,\'variantized\' alphasyllabary,,,A Priori,Value Unknown |
| View | \"gan Minhó | Minhó | | ve lang15\" | | 0 | Value Unknown | | 2019 | | Value Unknown | Value Unknown | \"gan Minhó , Minhó , ve lang15\",gan Minhó,Mareck,,2019,sa Mnnga gan Minhó,,,A Priori,Value Unknown |
| View | Majaz ve Western ve Southern Asia Auxillary Language | Majaz ve Maghrebi or Junoobi Ashya Aksillari Zabaan | | Ali Effendi al-Khataei (Discord ID: al-khataei#0660) | | 2021 | Value Unknown | \"Latin | Fars-Arap Devanagari | | Value Unknown | Value Unknown | Majaz ve Western ve Southern Asia Auxillary Language,Majaz ve Maghrebi or Junoobi Ashya Aksillari Zabaan,Ali Effendi al-Khataei (Discord ID: al-khataei#0660),Web Source,2021,\"Latin, Fars-Arap Devanagari, Kiril\",,,A posteriori,Value Unknown |
| View | ɛpmqp\'monp\'z | ɛpmqp\'monp\'z | | the weird kid | | 2020 | Value Unknown | | | | A priori | Value Unknown | ɛpmqp\'monp\'z,ɛpmqp\'monp\'z,the weird kid,,2020,,,yukýuñükýüwonäpüz family,A Priori,Value Unknown |
| View | Thachu ve Hachu | þaču ve hachu | | TapCat | | 2021 | Value Unknown | Latin | | | A priori | Value Unknown | Thachu ve Hachu,þaču ve hachu,TapCat,Web Source,2021,Latin,,,A Priori,Value Unknown |
| View | Tsi\'yn | Tsi\'yn | | Alessvero Z. | | 2021 | Value Unknown | | | | A priori | Value Unknown | Tsi\'yn,Tsi\'yn,Alessvero Z.,,2021,,,Sjutink,A Priori,Value Unknown |
| View | ȷen̂ʊlyɣȷuʊpyʊllaa-oa ve ȷen̂ʊlyɣȷuʊpyʊllın | J̇eɹŋl̇ɣ̇yẇpɣłłáɐ̂ɑ̀ | | XVYQ | | 5521 | Value Unknown | Speech only | | | Value Unknown | Value Unknown | ȷen̂ʊlyɣȷuʊpyʊllaa-oa ve ȷen̂ʊlyɣȷuʊpyʊllın,J̇eɹŋl̇ɣ̇yẇpɣłłáɐ̂ɑ̀,XVYQ,,5521,Speech only,,,Other,Value Unknown |
| View | Salsay | Salsay | | Mustafa Kaptan | | 2020 | Value Unknown | | | | A priori | Value Unknown | Salsay,Salsay,Mustafa Kaptan,Web Source,2020,,,,A Priori,Value Unknown |
| View | Tosi | Tosi | | Margaret Ransdell-Green | | 0 | Value Unknown | | | | A priori | Value Unknown | Tosi,Tosi,Margaret Ransdell-Green,Web Source,,,,,A Priori,Value Unknown |
| View | Gotevian | Gotevian | | Margaret Ransdell-Green | | 0 | Value Unknown | | | | A priori | Value Unknown | Gotevian,Gotevian,Margaret Ransdell-Green,Web Source,,,,,A Priori,Value Unknown |
| View | Bayë | Bayë | | Margaret Ransdell-Green | | 0 | Value Unknown | | | | A priori | Value Unknown | Bayë,Bayë,Margaret Ransdell-Green,Web Source,,,,,A Priori,Value Unknown |
| View | Seloi | Seloi | | Margaret Ransdell-Green | | 0 | Value Unknown | | | | A priori | Value Unknown | Seloi,Seloi,Margaret Ransdell-Green,Web Source,,,,,A Priori,Value Unknown |
| View | Lomi | Lomi | | Margaret Ransdell-Green | | 0 | Value Unknown | | | | A priori | Value Unknown | Lomi,Lomi,Margaret Ransdell-Green,Web Source,,,,,A Priori,Value Unknown |
| View | Karkin | Karkin | | Margaret Ransdell-Green | | 0 | Value Unknown | | | | A priori | Value Unknown | Karkin,Karkin,Margaret Ransdell-Green,Web Source,,,,,A Priori,Value Unknown |
| View | Shtåså | Shtåså | | Arzena | | 0 | Value Unknown | Variant of the Xšali script | | | A priori | Value Unknown | Shtåså,Shtåså,Arzena,Web Source,,Variant of the Xšali script,,,A Priori,Value Unknown |
| View | Empotle7á | Empotle7á | | Arzena | | 2000 | Value Unknown | attested in Lukpanic script | | | A priori | Value Unknown | Empotle7á,Empotle7á,Arzena,Web Source,2000,attested in Lukpanic script,,,A Priori,Value Unknown |
| View | Northeastern Bay Language | Northeastern Bay Language | | Caleone | | 0 | Value Unknown | | | | A priori | Value Unknown | Northeastern Bay Language,Northeastern Bay Language,Caleone,Web Source,,,,,A Priori,Value Unknown |
| View | Tautisca | Tautisca | | hwhatting | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Tautisca,Tautisca,hwhatting,Web Source,,,,,,Value Unknown |
| View | Alubetah | Alũbetah | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Alubetah,Alũbetah,,,,,,,,Value Unknown |
| View | Emyt | ral-ęmut sur\'atkan | | | | 0 | Value Unknown | \"Emyt script | Latin\" | | Value Unknown | Value Unknown | Emyt,ral-ęmut sur\'atkan,,Web Source,,\"Emyt script, Latin\",,,Conworld,Value Unknown |
| View | Rayepeye Rehnen | Raàyepèye rehneh | | MilyAMD | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Rayepeye Rehnen,Raàyepèye rehneh,MilyAMD,Web Source,,,,,,Value Unknown |
| View | Qasnimista | qaśnimiśta iskan [ʕɑɕniˈmiɕtɑ ˌiskɑn | | | | 2010 | Value Unknown | | | | Value Unknown | Value Unknown | Qasnimista,qaśnimiśta iskan [ʕɑɕniˈmiɕtɑ ˌiskɑn,,Web Source,2010,,,,Unilang,Value Unknown |
| View | West Yalan | West Yalan | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | West Yalan,West Yalan,,,,,,,Conworld,Value Unknown |
| View | Early North Yalan | Çiĝinešte | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Early North Yalan,Çiĝinešte,,Web Source,,,,,Conworld,Value Unknown |
| View | Numesur | Numəsūr | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Numesur,Numəsūr,,Web Source,,,,,Conworld,Value Unknown |
| View | Bingimbok | Biñimbok | | by Mil | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Bingimbok,Biñimbok,by Mil,Web Source,,,,,Conworld,Value Unknown |
| View | Proto-Choogo | Proto-Choogo | | | | 0 | Value Unknown | | | | A posteriori | Value Unknown | Proto-Choogo,Proto-Choogo,,Web Source,,,,,a posteriori,Value Unknown |
| View | Gwongbholü | Gwongbholü | | Qwynegold | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Gwongbholü,Gwongbholü,Qwynegold,Web Source,,,,,,Value Unknown |
| View | kogotuz | Koġołħuẓ | | Qwynegold | | 0 | Value Unknown | Romanization | | | Value Unknown | Value Unknown | kogotuz,Koġołħuẓ,Qwynegold,Web Source,,Romanization,,,,Value Unknown |
| View | Sataw Language | iru Sataw | | F.M. Alenicheva | | 2019 | Value Unknown | | | | A posteriori | Value Unknown | Sataw Language,iru Sataw,F.M. Alenicheva,Web Source,2019,,,,a posteriori,Value Unknown |
| View | High Lulani | | | Queen Loren | | 0 | Value Unknown | | semi | | Value Unknown | Value Unknown | High Lulani,,Queen Loren,Web Source,,,semi,,,Value Unknown |
| View | Poswa | Poswa | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Poswa,Poswa,,Web Source,,,,,Conworld,Value Unknown |
| View | Pabappa | Pabappa | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Pabappa,Pabappa,,Web Source,,,,,Conworld,Value Unknown |
| View | Khulls | Khulls | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Khulls,Khulls,,Web Source,,,,,Conworld,Value Unknown |
| View | Carinnaha | Carinnaha | | | | 0 | Value Unknown | Latin | | | Value Unknown | Value Unknown | Carinnaha,Carinnaha,,Web Source,,Latin,,,Conworld,Value Unknown |
| View | Marshlandic Scratchpad | Marshlandic Scratchpad | | | | 2013 | Value Unknown | Latin | | | Value Unknown | Value Unknown | Marshlandic Scratchpad,Marshlandic Scratchpad,,Web Source,2013,Latin,,,Conworld,Value Unknown |
| View | Proto-Tshyak | Proto-Tshyak | | | | 0 | Value Unknown | Latin | | | Value Unknown | Value Unknown | Proto-Tshyak,Proto-Tshyak,,Web Source,,Latin,,,Conworld, |
| View | Írsc | Írsc | | | | 0 | Value Unknown | Latin | | | A priori | Value Unknown | Írsc,Írsc,,Web Source,,Latin,,,A Priori,Developed |
| View | Reka Laqar | Rekə Laqar | | | | 0 | Value Unknown | Latin | | | A priori | Value Unknown | Reka Laqar,Rekə Laqar,,Web Source,,Latin,,,A Priori,Developed |
| View | Telemor Language | limbar telèmor | | L.W. Honaker | | 2009 | Value Unknown | Latin | Germanic & Romance | | A priori | Value Unknown | Telemor Language,limbar telèmor,L.W. Honaker,Web Source,2009,Latin,Germanic & Romance,,A Priori,Developed |
| View | Sanga Language | Sanga | | Tomás S | | 0 | Value Unknown | | | | A priori | Value Unknown | Sanga Language,Sanga,Tomás S,Web Source,,,,,A Priori,Developed |
| View | Tibetan Dwarvish | Tibetan Dwarvish | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Tibetan Dwarvish,Tibetan Dwarvish,,Web Source,,,,,Conworld, |
| View | Old Albic | Elbich | | Jörg Rhiemeier | | 2001 | Value Unknown | Old Albic alphabet | Indo-European | | Value Unknown | Value Unknown | Old Albic,Elbich,Jörg Rhiemeier,Web Source,2001,Old Albic alphabet,Indo-European,,, |
| View | Proto-lajbɦahe Language | | | | | 0 | Value Unknown | | | | Value Unknown | Value Unknown | Proto-lajbɦahe Language,,,Web Source,,,,,, |
| View | Notragothic | Notragothic | | Dr. Robert Pfeffer | | 0 | Value Unknown | Gothic - Latin | \"Gothic | | Value Unknown | Value Unknown | Notragothic,Notragothic,Dr. Robert Pfeffer,Web Source,,Gothic - Latin,\"Gothic, Germanic\",,, |
| View | Trazu | Træzü | | Nikhil Sinha | https://nikhilsinha.xyz/a/ | 2011 | Speech and writing | Latin, Devanagari, Anglesap | | Personal | A priori | Some Development | |
| View | Neholek | Nehólek | | Zeidra Senester | http://senesterium.conlang.org/index.php/en/nhk-en/5-nhk-en | 2017 | Speech and writing | Nehólekizi (semi-syllabary) | Western Indo-European
and Hellenic substrate | Story-based, Geofictional, Alternate History, Other Auxiliary, and Secret | A posteriori | Well-developed | |
| View | Luniwen | Лаь Лиљ Лыніўен
and Lah Lǐlh Luniwěn | | Zeidra Senester | http://senesterium.conlang.org/index.php/en/lwn/11-lwn-en | 2019 | Speech and writing | Cyrillic, Latin, and a featural alphabets for artistic purposes | Sino-Russian pidgins | Story-based, Alternate History, Zonal Auxiliary, and Conpidgin | A posteriori | Considerable Development | |
| View | Ámérizkunxa | Ámérizkunxa | | Zeidra Senester | http://senesterium.conlang.org/index.php/en/mrx-en/13-mrx-en | 2018 | Speech and writing | | Vasconic
and (Quechua substrate) | Story-based, Geofictional, Alternate History, Lostlang, and Spiritual/Mystical/Ritual | Mixture | Considerable Development | |
| View | Mandalorian | Mando'a | MAN | Karen Traviss | http://mandoa.org/
and https://discord.gg/YRAEAxj | 2005 | Speech and writing | | Star Wars | Conworld | A priori | Active Community | The language is incomplete, but efforts are being made by a large community to expand the language after the initial creator abandoned the language. It is now community-developed and dialects have started to form. |
| View | Uunwuian | uunwu | | jillwm | https://www.vulgarlang.com/ | 2021 | Speech and writing | Romeinse | kielenan and fillans | Other | Other | Value Unknown | the language is from my world called kihtutban. |
| View | Aedulian | Æðelés | | Hamad Fahad | https://conlang.fandom.com/wiki/Aedulian | 2021 | Speech only | Latin | Semitic | Lostlang | Value Unknown | Sketch/Minimal | |
| View | Proto-Squoppalian | Uskwarndi | | Donotforgetmycode | https://conworkshop.com/view_language.php?l=PRSQU | 2021 | Speech only | | Squoppalian | Personal and Conworld | A priori | Value Unknown | |
| View | Zokale | do Zokale wagone | | SERIYAMA Harushige | Top page: https://gitlab.com/eotplb/zokale
, Contents page: https://gitlab.com/eotplb/zokale/-/tree/master/ja
, Grammar page: https://gitlab.com/eotplb/zokale/-/tree/master/ja/grammar | 2021 | Speech and writing | | | Global Auxiliary, Philosophical, and Experimental | Mixture | Considerable Development | All texts are written in Japanese only. |
| View | Kajlangvoyage | Kajlângvoj | KLVX | ProfConlanger | | 2020 | Speech and writing | Kajlângsprakteks | Xeno-Tovariac | Conworld, Geofictional, Alternate History, Experimental, and Other | Mixture | Considerable Development | Language derived from Tovarian |
| View | Taxnul | Taxnul | | Violet Radd | https://violetradd.com/taxnul/ | 2015 | Speech and writing | | | Personal and Conworld | Mixture | Considerable Development | |
| View | Kajlangvoyage, Kajlângvoj | Kajlângvoj | KLVX | ProfConlanger,Kajlaedur | conworkshop.com | 2019 | Speech and writing | Latin (Normaalteks), Kajlângvoj Kronasstandarti, Kajlângsprakteks, Cyrillic (Toktokvаmi) | Xeno-Tovaric | Story-based, Conworld, Geofictional, Future, Alternate History, Other Auxiliary, Experimental, and Other | Mixture | Considerable Development | |
| View | The Kujir Language | Nomāf kuʒir | | Mærkþ | | | Speech and writing | The Kujir alphabet | | Personal | A priori | Considerable Development | A not very naturalistic language based on triconsonantal roots. |
| View | Fodhian | Fodhi | | Mærkþ | | 2021 | Speech and writing | Fodhian script | | Personal and Conworld | A priori | Considerable Development | |
| View | Alathinaz | Alathinaz
and Al-Lathinaz | LTZ | Nika Maharani-Borowski | | 2021 | Speech and writing | Latin Alphabet, Adapted Sorani Kurdish, | Romance
and | Personal, Other Auxiliary, and Experimental | A posteriori | Some Development | This conlang is not very developed yet. It is a artistic auxlang (of sorts?) developed from Mozarabic and turned into whatever I want because I don't care |
| View | Wachanese | Wachananlingguui | | Chekan Xuan | Vocabulary List, Basic Word Order & Pronunciation | 2020 | Speech and writing | The Chekan Alphabet | Uleyprant-Haibidian | Personal and Geofictional | Mixture | Some Development | The Creator's name is an endonym; his real name is not to be revealed for privacy reasons.
|
| View | Tabaxian | Tabaxian | | Owen Broad | | 2021 | Speech and writing | | | Story-based | A priori | Value Unknown | Tabaxian is a test conlang to make a native language for the Tabaxian race in my Fantasy world building project. The name 'Tabaxian' will be changed when that race is given a name that isn't copyrighted |
| View | Mangalese | Mangalemang | | u/kiritoboss19 | https://conworkshop.com/view_language.php?l=MEL | 2019 | Speech and writing | | Mangalic languages | Personal, Geofictional, and Alternate History | A priori | Some Development | |
| View | Krikriamvi Vuvidi | Krikriamvi Vuvidi | | Alex M | | 2021 | Speech only | | Isolate | Personal and Conworld | A priori | Well-developed | |
| View | Rovas | Rovas | | Lord Of The Seals
and https://youtube.com/channel/UC010NgOWaa8SW2VlByBh7wQ | https://docs.google.com/document/d/10ZFWA5eg6jOfPSSAf8CnY-mh_Oed6dVDh6cMHUZstPQ/edit | 2019 | Speech and writing | | | Conworld | A priori | Value Unknown | |
| View | Life Tongue | Laví Peno | | Kristin Grayden | | 2020 | Speech and writing | | | Personal and Story-based | A priori | Sketch/Minimal | The main goal for this language was to make it simple but not too simple. Harder than Toki Pona but easier than any natural language. |
| View | supokalang | supoka | | 한승윤(enutilujan) | | 2020 | Speech and writing | supoka tekupoka, latin | | Conworld and Other | Mixture | Considerable Development | |
| View | Fynotek | Fynotek | | mochaspen | https://www.linktr.ee/fynotek | 2021 | Speech and writing | Ojnym | | Personal and Other | Mixture | Learners | Fynotek is a personal artlang.
The majority of the vocab is a priori, but there are a few a posteriori words. |
| View | Ngolo | ŋolo | | Xavier Mercurio | | 2021 | Speech and writing | Weird fiddled-with version of the Latin alphabet | | Story-based and Conworld | Value Unknown | Sketch/Minimal | I literally started making this conlang last week. |
| View | Mëngjen | Mëngjen | Mg | Alex M | https://docs.google.com/document/d/1coTW9Y1Y4YR3kP_FW0xRoWOupOReMkg_--NwlMgtLXQ/edit# | 2021 | Speech and writing | Latin, Mëngjen Alphabet | Mëngjen Languages | Personal and Conworld | A priori | Well-developed | |
| View | Neo Khuzdul Written Most Times As Neo-Khuzdul | | | David Salo And Later On The Dwarrow Scholar | https://www.dwarrowscholar.com/library.html | 0 | Speech and writing | Cirth | | Story-based | A priori | Considerable Development | imported from CLCR — remove this label once data is known |
| View | Proto-Pekancha
, Pekancha
, and Pekanchan | Pekancha | PPKN | Gal Osovsky | Dictionary (WIP) and Reference Grammar | 2021 | Speech and writing | Proto-Pekanchan Logography | Pekancha (proto-language) | Conworld | Mixture | Some Development | |
| View | Dawodan | Seele Dawodahu | | | | 2020 | Speech and writing | Latin, Sesumak | Dawodan | Conworld | Other | Value Unknown | |
| View | Nayian Langauge | جته نايي | | Hamad Fahd | | 2021 | Speech and writing | Arabic | Nayian Langauges
and | Personal and Alternate History | Mixture | Some Development | |
| View | Ônkhemish | ônkhem | 4849301 | Hdjdjxh Hdhdhruieh
and | https://docs.google.com/document/d/1SWYpp5WmCzlpaj0_YEo-Qws2m-_6_hQn2aBuZP0UIlA/edit | | Speech and writing | latin alphabet | | Conworld and Other | Other | Other | this is a of a conworld. (Generated with https://www.vulgarlang.com/) |
| View | Seledan
, Kīleyan-Seledan
, and Teleni | Selésāl | | Saiph Rivas | WIP | 2020 | Speech and writing | Nilian sillabary | Northern Leyin family | Conworld | A priori | Considerable Development | |
| View | Oscuro | iw sdm.n
and dakin | | Lorenzo De Marco | | 2020 | Speech and writing | داكن | | Story-based | Mixture | Value Unknown | |
| View | Kantsavan | kantsaʋa | | Matheus Pinto | | 2015 | Speech and writing | | | Conworld | A priori | Some Development | A literary language formerly spoken by the Sári in the west of Nondon |
| View | Ämärangnä
and Adytite | Ämäraŋnä
, Nälmäsäk
, and Nälkänä | | Makuta Makaveli | Overview | 2018 | Speech and writing | Latin, Cyrillic, Mongolian | | Story-based, Conworld, and Spiritual/Mystical/Ritual | A posteriori | Some Development | |
| View | Kiliki | Kiliki | | Dr. Madhan Karky | https://www.kiliki.in | 2013 | Speech and writing | Kiliki | | Conworld | A priori | Value Unknown | This conlang is created for Bahubali movie. |
| View | Tokςavi | Tokςavi | | Kazimir Tamburisto
and cyanidesDuality/Zenith Daemonus | Intentionally not documented publicly | 2021 | Speech and writing | Latin, Sitelen Linja Leko | Tokiponidos | Personal, Conworld, Experimental, and Secret | Mixture | Considerable Development | |
| View | Peejosa | | | Various | https://docs.google.com/spreadsheets/d/1253vr4hDAX9eTZPDKXVFEwjwzTKg1qCSZWXtFZg5zw4/edit#gid=0 | 2019 | Speech and writing | Latin, Peeekriv | | Jokelang and Conpidgin | Mixture | Active Community | |
| View | Kshär
and KDM | Kshär Dlɨt̃hmabbzuɑdl | | Kazimir Tamburisto | Currently only on paper | 2021 | Speech and writing | Latin | | Conworld, Xenolang/Alien, Philosophical, and Experimental | A priori | Some Development | |
| View | Dusolulu | Dusolulu | | Dusolulu Discord Server | https://www.reddit.com/r/conlangs/comments/ph9ckh/join_our_conpidgin_dusolulu/ | 2021 | Speech and writing | | | Conpidgin | Mixture | Considerable Development | |
| View | Gryuijataq | | | Jackqueslack23 | https://drive.google.com/drive/folders/1ju8u6fGt4wEZUJlWUggmvXkRBW9hTSdk?usp=sharing | 2021 | Speech and writing | Latin | | Personal | A priori | Some Development | |
| View | Maskey | Khaskalhk'aa | | Native Qazh (https://iiwiki.us/wiki/User:Native_Qazh) | https://iiwiki.us/wiki/User:Native_Qazh/Sandbox4 | 2021 | Speech and writing | Latin | Isolate | Personal, Story-based, and Spiritual/Mystical/Ritual | Value Unknown | Some Development | |
| View | Ensilic | S̨i-Z̨o | | Anonymous | | | Speech and writing | Roman | Isolate | Personal and Secret | A posteriori | Well-developed | There is kind of a native speaker, but there isn't really a community or learners so I just put well-developed. I (its creator) am completely fluent in it though. |
| View | Uksark | 'sksäx[ʔsksɑx] | | Kayinth | https://www.youtube.com/watch?v=V5PfD4rYnYI
and https://kayinth.fandom.com/wiki/%27sks%C3%A4x | | Speech and writing | | | Conworld, Xenolang/Alien, and Other | A priori | Value Unknown | |
| View | Fthsaisthf | | | Adam Walker/A. Walker Scott | | 1993 | Speech and writing | | | Xenolang/Alien | A priori | Sketch/Minimal | |
| View | Iridian | B-G-2-3 | | Adam Walker/A. Walker Scott | | 1993 | Other | | | Xenolang/Alien | A priori | Sketch/Minimal | this language is spoken by changing the color and pattern of the skin. |
| View | Prinlen | Prinlen | | Vaharamus Galke | https://docs.google.com/spreadsheets/d/1cjRN-U_kcW9IkPgnjsiY4g0-byvKZJ3cNkuRz-j-7gE/edit?usp=sharing | 2020 | Speech and writing | Latin | | Global Auxiliary | A posteriori | Considerable Development | Prinlen is an international auxiliary language aiming to be as easy and inclusive as possible |
| View | Sæ Sōðaféōra
and Old Orasa | Sōðeráfa
, Afécoþi
, and Ēzeora | | Sáté | | 2021 | Speech and writing | | | Other | A priori | Value Unknown | There used to be 3 Kingdoms that used Sæ Sōðaféōra |
| View | Tokétok | Tokétok | | /u/impishDullahan | https://www.reddit.com/r/conlangs/comments/mx8beo/tokétok_a_formal_introduction/ | 2013 | Speech and writing | | | Personal | A priori | Value Unknown | |
| View | Hantl | Hantlek | 2021 | Kason C. | | 2021 | Speech and writing | nkatae | | Personal | A priori | Value Unknown | |
| View | kisuwi | kisuwi | | TauDudeBlobber | https://onedrive.live.com/view.aspx?resid=EB4E16D240DB6717!117&ithint=file%2cxlsx&authkey=!ANbrTaq3t22dr-A | 2021 | Speech and writing | Cute Script, Latin Alphabet | | Other | Mixture | Well-developed | |
| View | Tanol | Tanol | | Harry Cook | https://docdro.id/tAdxnRe | 2020 | Speech and writing | | Tarikhic; Tanolic | Story-based and Conworld | A priori | Well-developed | A language part of my larger world building project.
Notable features:
Fluid-s ergativity
Asymmetrical person marking
Initial consonant mutation
ATR vowel harmony |
| View | Language of the Ancients
and Lovecraftian | Thesnäq | | Jacob Wells (WJ4278) | https://docs.google.com/document/d/1LDi0qeU_u_xnwkSf_oEqk7p2Z-LNtDGStAg9-zQdmoM/edit?usp=sharing | 2021 | Speech and writing | | | Story-based, Conworld, and Experimental | Mixture | Some Development | Still very much in development, with intentions for the conlang laid out at the beginning of the document |
| View | Gemstonian | Hêmêstonskî (/xɛ-mɛ-ston-skɪ/) | | MirageVision (EmeraldGunner) | https://docs.google.com/document/d/1SDIiNyz-qyuSFN8SahRR2SDedIyZXWMCZ70KjqNnwWk/edit?usp=sharing | | Speech and writing | Latin alphabet | Traxian | Personal, Conworld, and Geofictional | Value Unknown | Some Development | Made this as a first conlang without a lot of experience.
I will probably do a lot of revising and a lot of coining words, eventually making the conlang better and much more usable.
-MirageVision |
| View | Kjorinaj | Kjorinaj | EU | LingoPotato | | 2021 | Speech and writing | Kyorinon | | Personal and Conworld | A priori | Sketch/Minimal | And SOV Agglutinative language wiþ a lot of compounding and 7 cases. |
| View | Kyorini | Kyorini | EU | LingoPotato | | 2021 | Speech and writing | Kyorinon | | Personal | A priori | Some Development | |
| View | Kyortini | Kyortini | EU | DaGamerPotato | | 2021 | Speech and writing | | | Personal and Conworld | A priori | Sketch/Minimal | It's a pretty new conlang. An agglutinative SOV language wiþ a lot of compounding. |
| View | Ralanian | Ralyani' /ɾalja:niʔ/
and Meaning: Island | | Muhammed Yasir | | 2021 | Speech and writing | Available | | Story-based, Conworld, Geofictional, Alternate History, and Secret | A posteriori | Some Development | Made for a film I'm planning to make.
Abjad-Semetic-Romance language. |
| View | Ralanian | ɾalma:ni | | MUHAMMED YASIR | https://docs.google.com/document/d/1KV8I1RmExNLmTSh5GkD7j_LuKqI6AA8-Ia48e8DQLaU/edit?usp=sharing | 2021 | Speech and writing | Available | | Story-based, Conworld, Geofictional, Alternate History, and Secret | A priori | Some Development | |
| View | Pafə̃ian | pafə̃ | | Hdjdjxh Hdhdhruieh | https://docs.google.com/spreadsheets/d/1tsSBFc6f-KC-VYSC3_HisFcEYzfuLV-4ksv6CuYnQjE/edit?usp=sharing | 2020 | Speech and writing | latin alphabet | | Conworld and Alternate History | A priori | Native Users | there is more than 1 language in is the world at I marked.
(Generated with https://www.vulgarlang.com/) |
| View | Duan | Kam Duan
and Kam Pu-Duan | | Atirash | | 2021 | Speech and writing | Dtua-duan | Tai-Kadai | Alternate History | Mixture | Sketch/Minimal | |
| View | Amaynka | Amaynka | | ME | | 2021 | Speech and writing | Latin | Austronesian | Zonal Auxiliary | Value Unknown | Some Development | Conlang created by fictional internet people and gamers. It is located in Eastern Borneo (I am not Indonesian or Malay) |
| View | FR - Drakien
and EN - Drakian | DRA - Drakiem | DRA | Xevaltan | Discord Server : https://discord.gg/VMRkaTWWa5 | 2021 | Speech and writing | | First language of the genealogical tree | Conworld, Geofictional, Other Auxiliary, and Spiritual/Mystical/Ritual | A priori | Considerable Development | Dragon spoken/written language.
Fantasy universe.
OR
It can be a spoken/written language in the actual world. |
| View | kisuwi | kisuwi | | TauDudeBlobber | https://onedrive.live.com/view.aspx?resid=EB4E16D240DB6717!117&ithint=file%2cxlsx&authkey=!ANbrTaq3t22dr-A | 2021 | Speech and writing | Cute Script, Latin Alphabet | | Other | Mixture | Well-developed | |
| View | Tanol | Tanol | | Harry Cook | https://pdfhost.io/v/mJ45eXnHy_Tanol | 2020 | Speech and writing | Tanolic script (in development) | Tanolic language, subbranch of the Tarikhic language family | Story-based and Conworld | A priori | Well-developed | Part of Harry Cook's greater world building project.
Notable features:
ATR vowel harmony
Initial consonant mutation
Fluid-s ergativity
Dual stem verb system
Asymmetrical person marking |
| View | テラ語
and Terran | teraze | | Yuzami | https://yzm.moe | 2005 | Speech and writing | teraze eskem | Creole | Story-based, Conworld, Xenolang/Alien, Other Auxiliary, and Other | Mixture | Learners | Currently, less than 10 native speakers are known to exist. It is the native language of Dr. Carmilla. |
| View | Somá
and Language of the Gomán people | somá | | Jacob Wells (WJ4278) | https://docs.google.com/document/d/18dhPrz_DMkmDhEgKL776q-n8apMomfyPP9MbzUUVnkU/edit?usp=sharing | 2019 | Speech and writing | | | Conworld | A priori | Considerable Development | Has not been worked on since 2020 |
| View | Tienian | Tienòr | tnr | Enes Özcan | https://drive.google.com/drive/folders/1X0szW3fy9FquM6W5syN2ec2HguVMcJUo?usp=sharing | 2020 | Speech and writing | Latin, Olsintian | | Personal, Ideal, Philosophical, Spiritual/Mystical/Ritual, and Other | A priori | Considerable Development | |
| View | Proto-Sorglistein | Ãidari
and Ãirena | | Zonering
and Raptar_ | | 2021 | Speech only | | Proto-Sorglistein | Conworld | A priori | Considerable Development | Ãirena is a language based in a fictional world with many other languages, about 5 other languages evolved from Proto-Sorglistein. |
| View | Lakshish | Lakšīnįn | | バスクラ吹き | https://migdal.jp/lakshish | 2021 | Speech and writing | | | Conworld | A priori | Well-developed | |
| View | Ranholmish | Rangolmsk | | Mayank Kumar Singh | https://docs.google.com/document/d/1O3DaH9-srrt4QcdnLx4Uz9ewenddn9XKsOllgY4jr8c/edit#heading=h.pcktb4lmo8w4 | 2021 | Speech and writing | Latin | North Germanic
, Germanic
, and Indo-European | Alternate History | A posteriori | Some Development | Language spoken in an alt-history world were Doggerland didn't completely sink under the North Sea. |
| View | Kelsan
and Kelso | Kelso | KELS | Daniel Stănciuc
and | https://conworkshop.com/view_language.php?l=KELS | 2018 | Speech and writing | Latin | | Conworld | A priori | Some Development | |
| View | iqiebukagx | iqiebukagx | | [url=http://slkjfdf.net/]Ehubor[/url] <a href="http://slkjfdf.net/">Pedutosue</a> gbt.bmjj.database.conlang.org.wke.is http://slkjfdf.net/ | http://slkjfdf.net/ | | Speech and writing | | [url=http://slkjfdf.net/]Ehubor[/url] <a href="http://slkjfdf.net/">Pedutosue</a> gbt.bmjj.database.conlang.org.wke.is http://slkjfdf.net/ | | A priori | Value Unknown | [url=http://slkjfdf.net/]Ehubor[/url] <a href="http://slkjfdf.net/">Pedutosue</a> gbt.bmjj.database.conlang.org.wke.is http://slkjfdf.net/ |
| View | Neium | Neium | 020413 | | | 2021 | Speech and writing | | | Ideal | Mixture | Value Unknown | |
| View | La | Na | | Barnabas Allen | https://www.reddit.com/r/conlangs/comments/s6ma0g/the_la_language/
, https://docs.google.com/document/d/1vVBDtWKqZk505V1OP6bScIugZ85dzhLfuwULs-Es_ds/edit?usp=sharing
, | 2020 | Speech and writing | Latin Alphabet | Isolate | Other | A priori | Considerable Development | |
| View | Moran
and Yemestian | Cesm Yyemest | | Vidura Durina | https://docs.google.com/document/d/1GXSLv230EUUAVTspqxLm88zq5h2nY30SoDWJsAI1dpM/edit?usp=sharing | 2020 | Speech and writing | | | Conworld | A priori | Considerable Development | |
| View | Burey
and Bury | Burey
, Bury
, Buri
, Boori
, and Bhurey | | | Memrise Course | | Speech and writing | Latin | | Conworld, Geofictional, and Alternate History | A priori | Sketch/Minimal | |
| View | Kajlangvoyage
, Kajlangvoj
, Kaylangvoy
, and Kaylangvoyage | Kajlângvoj
, Kÿlâńv'ÿ
, and Kajlângvojağ'ê | KLVX | | Overview | 2019 | Speech and writing | Southern Mantovarian, Latin Script | Xeno-Tovarian
, Mantovarian
, Tovarian
, and Kajlangvoyage | Conworld, Geofictional, Alternate History, Experimental, Conpidgin, and Other | Mixture | Considerable Development | |
| View | Tovarian | Tovārīki
and Ṭôvāṛjīki | TOVR | | Overview | | Speech and writing | Mantovarian, Huri Transliteration (Latin), Sharducagu Transliteration (Latin) | | Geofictional, Alternate History, and Other | A priori | Some Development | |
| View | Ethuen | Hðue | | Kompors | https://conworkshop.com/view_language.php?l=ETHE | 2021 | Speech and writing | | Hdvek Language Family | Personal and Conworld | A priori | Some Development | |
| View | Tafy | Tafy | | Kompors | | 2019 | Speech and writing | | | Personal and Conworld | A priori | Considerable Development | |
| View | Uldäslacöm | Uldäslacöm | | Kompors | https://drive.google.com/file/d/1PAoOJC7WNsS9pSMjxx_oV1nT9-rcCk-I/view?usp=sharing | 2020 | Speech and writing | | | Personal | A priori | Well-developed | |
| View | Tienor | Tienòr | tnr | Enes Özcan | https://drive.google.com/drive/folders/1X0szW3fy9FquM6W5syN2ec2HguVMcJUo?usp=sharing | 2020 | Speech and writing | Latin, Olsintian | | Personal, Conworld, Ideal, Philosophical, and Spiritual/Mystical/Ritual | A priori | Well-developed | |
| View | Kpiterın | Kpiterın | KPN | Alex M | https://docs.google.com/document/d/1oYpB0RZjAZO5Oo8F5N15bZUf0HE5Ex8UG-tAztHTIqU/edit?usp=sharing | 2021 | Speech and writing | Latin, Kpiterın Alphabet | Isolate | Personal and Conworld | A priori | Well-developed | Kpiterın is a fusional, pro drop, lightly head-initial, CVO language with a high degree of inflection. |
| View | Hololang | Holō [hɔlɔ:] | | Madoka Mapper | https://linguifex.com/wiki/Hololang | 2021 | Speech and writing | Latin | | Spiritual/Mystical/Ritual and Other | Mixture | Some Development | A conlang with the purpose to be teach at the members of Hololive English |
| View | ICPlang | N/A | | Milo B | https://docs.google.com/spreadsheets/d/17SSbcaCKllinQ7KqwBlutuFEJsB739iRtLdoYg8J3F8/edit#gid=1079660040 | 2022 | Value Unknown | | | Jokelang | A posteriori | Sketch/Minimal | |
| View | Basbeti | Basbati | | Milo B | https://docs.google.com/spreadsheets/d/1fzhWca3h1VRDqLBMm3XDraZ1ZU6pSn03ULCVbnPnGA0/edit | 2021 | Speech and writing | Basbati Alphabet | Proto-Basbati | Personal and Conworld | A priori | Value Unknown | |
| View | Utrom Language | Uqramux Kopexut
, Kopexut
, and Kopex | | Jess | https://www.tumblr.com/blog/dynula
and https://docs.google.com/spreadsheets/d/1eonU13EBz9RyUYPM32lloL7om_wWx9yCWOPn2G3US2I/edit?usp=sharing | 2021 | Speech and writing | Jomaut | | Xenolang/Alien | A priori | Some Development | This is the language of the Utroms in Teenage Mutant Ninja Turtles, specifically of the 2003 cartoon.
I know very little about linguistics I just really like languages. This conlang is very messy so far. |
| View | úkjupiko | úkjupiko | | Cale Barnes(ChicoryWielder) | | 2022 | Speech and writing | xakóri script | | Personal, Story-based, and Conworld | A priori | Some Development | |
| View | oogabooga | oogabooga | | BE | https://www.reddit.com/r/conlangs/comments/svyjet/oogabooga_the_conlang_for_anarchoprimitivists/ | 2022 | Speech only | | oogabooga | Jokelang, Philosophical, Experimental, Spiritual/Mystical/Ritual, and Other | Other | Well-developed | jokelang for anarcho-primitivists based on the "ooga booga" caveman stereotype |
| View | Eqawian | Eqåwien | | | | 2022 | Speech and writing | | | Personal, Secret, and Other | A priori | Value Unknown | |
| View | Çamoige, Jatanian, Camuge. | | | | https://docs.google.com/document/d/1SN2aJlkmGjECwoEm05l4PNFSspxgCvBDELl3M_TijRs/edit | 2021 | Speech and writing | Kòdāo, Lübén. | | Personal, Conworld, and Geofictional | A priori | Some Development | Grammar seems (very) vaguely similar to korean, though I don't know korean and I only have limited knowledge on its grammar. |
| View | Çamoige
, Jatanian
, and Tsamuge | Cámügē | | Brian Leonard | https://docs.google.com/document/d/1SN2aJlkmGjECwoEm05l4PNFSspxgCvBDELl3M_TijRs/edit | 2021 | Speech and writing | Kòdāo, Lübén. | | Personal and Conworld | A priori | Some Development | Grammar is (very) vaguely Korean-based, though I have very limited knowledge on Korean's grammar as I don't know the language. |
| View | Vet | Vetipunu
and Veti | VT | Velni | | 2016 | Speech and writing | | Veutonic | Conworld and Geofictional | A priori | Well-developed | |
| View | SLOVISK | SLOVISK | | Ioannes | | 2005 | Speech and writing | Latin | Slavic languages group | Zonal Auxiliary | A priori | Well-developed | Slavic easiest conlang ever made. |
| View | Santsetsaakenhmatsa | Sancecaakenhmaca | SNK | Sakejivhmaca E. Kraahmaca | https://youtu.be/hd0hnv94oY4 | 2022 | Speech and writing | Latin and Sasancecaakenanca manhmaca | - | Other | A priori | Considerable Development | ... mnothca? |
| View | Basic Simple English | Basic Simpul English | | Hristo Tomov | | 2022 | Speech and writing | Latin | | | Mixture | Considerable Development | |
| View | Doxian | Doxiar | | Timbus Darius | | 2022 | Speech and writing | | | Story-based, Conworld, Geofictional, and Global Auxiliary | A priori | Sketch/Minimal | |
| View | Wati Wuki | Wati Wuki | | Ganheso Leso | https://docs.google.com/spreadsheets/d/1W3uCGYu8QeHmhRV-hzfe6c7ce23Qakt45wUOnvMbrRM/edit?usp=sharing | 2022 | Speech and writing | Latin Alphabet | | Global Auxiliary | A priori | Considerable Development | |
| View | Trëndar | Vënerün | | Robo
and Dovah | | 2021 | Speech and writing | Trëndar Abugida | Trëndar-Danpturran | Conworld | Mixture | Considerable Development | Spoken by the citizens of Trëndarün. |
| View | Kujie | Zi de long
, gu de mae
, and Kuje | | Nightgamer | | 2021 | Speech and writing | Logograph + hangul | | Personal and Conworld | Value Unknown | Some Development | Kujie is my Chinese inspired conlang. |
| View | Altebelan | 알ㄹ태밸란 (ㄹ렝)/Altebelan (Léng) | | GiuFiu | | 2022 | Speech and writing | Latin, Hangeul | Indo-European, Romance | Alternate History and Experimental | A posteriori | Some Development | |
| View | Hlehan | Falojahleh | HLEH | thetacola | https://conworkshop.com/view_language.php?l=HLEH | 2024 | Speech and writing | Tajadajlic | Mabla
, Lzaccish
, Lzehian
, West Lzehian
, and Hiuhalalaiyan | Conworld | A priori | Some Development | |
| View | The Island Language | Sirema Ziha | | jan Kela | https://sites.google.com/view/jankela/sirema-ziha | 2021 | Speech and writing | | | Personal and Conworld | A priori | Some Development | There was another entery titled "The Island Language" please ignore that one because I forgot about some of the data points I was going to put in(please delete these notes too) (also please reclassify kasarian as abandoned) |
| View | Osdory | Asdor | | Enzo Barroso Merchan | | | Speech and writing | | Gardenx
, Helmian
, Acritian
, and South Darian | | A priori | Value Unknown | |
| View | Moraga | Möragä | | Victor Angel Lee Rocha Jr. | | 2021 | Writing only | A | None | Personal and Other | Value Unknown | Some Development | |
| View | Wrytian | Lůtel
and 工語 | LUIT | Dion06 (Dionysios Papapanagiotou) | https://conworkshop.com/view_language.php?l=LUIT | 2025 | Speech and writing | Latin (extended), Hanzi/Kanji | Luitelic | Personal, Story-based, and Conworld | Value Unknown | Considerable Development | |
| View | Globallic | Ta idúm delta Globbo
and IdG | | Big graduate | https://globallic.miraheze.org
, https://conlang.fandom.com/wiki/Globallic
, | 2025 | Speech and writing | Latin | Indo European | Future, Global Auxiliary, and Experimental | Mixture | Well-developed | |
| View | Soiune Language, Soiune, Soyune, Soyuna | Soyunaja, Soyuna | SYZN | Vapautta | https://conworkshop.com/view_language.php?l=SYZN | 2021 | Speech and writing | Latin, Cyrillic, Greek, Georgian, Armenian, Arabic-Persian, Berber | Language isolate (but probably more similar to Indoeuropean) | Global Auxiliary, Zonal Auxiliary, and Other Auxiliary | Mixture | Considerable Development | |
| View | Magonian | Kwujao | KWUJ | Aiden M | https://conworkshop.com/view_language.php?l=KWUJ | 2022 | Speech and writing | Latin, Magonian | Magonian | Personal, Conworld, Future, and Alternate History | A priori | Some Development | |
| View | | | | | | | Speech and writing | | | | A priori | Value Unknown | |
| View | | Nadi lingu | | Andy roland | | 2022 | Speech and writing | | | Other | A posteriori | Some Development | |
| View | | | | | | | Sign | | | | A priori | Value Unknown | |
| View | Nowalen | an-Nowalen | | jan Nowa | | | Speech and writing | latin, Orogathe Nowalen | | Personal, Conworld, Geofictional, and Experimental | Mixture | Some Development | |
| View | Kan | Do | | Oli | | 2021 | Speech and writing | 1 | | Personal, Conworld, Future, Ideal, Logical, Experimental, and Secret | Value Unknown | Some Development | |
| View | Käimal | Käimal | | 3owowoo | | | Speech and writing | | | Conworld and Xenolang/Alien | A priori | Value Unknown | |
| View | Shónthǐ, Shonthi | Shónthǐ | | Hosam | | 2021 | Speech and writing | Shónthǐ Script | | Story-based, Conworld, Geofictional, and Alternate History | Mixture | Sketch/Minimal | Based or related to Burmese, used for a discord nation rp server. |
| View | Shipu
and Kashi | Shipu
and Kashi | | | | 2022 | Speech and writing | Shipu logic writing | | Personal and Logical | A priori | Some Development | |
| View | | asla | 1488 | ikhtara | | 2021 | Speech and writing | lisana | | Personal and Spiritual/Mystical/Ritual | A priori | Some Development | |
| View | Classical Glifin | Giwin | | Sol Wolf | | 2022 | Speech and writing | Eskan | Giwin language family | Story-based and Conworld | A priori | Some Development | |
| View | Classical Glifin | xiwin | | Sol Wolf | | | Speech and writing | G | Glifin Language Family | | A priori | Value Unknown | |
| View | grown folkspeech | vaksen folkspraak | | DominusZork | https://www.dropbox.com/s/clboq123xanpt4n/folkspraak.pdf | 2022 | Speech and writing | latin script | germanic | Zonal Auxiliary | A posteriori | Well-developed | everything is explained in the pdf |
| View | Simpa | Sinpa | | ManuStorm | https://conlang.fandom.com/wiki/Sinpa | 2021 | Speech and writing | Latin | | Pseudo-Auxlang and Philosophical | Mixture | Considerable Development | |
| View | Simpa | Sinpa | | ManuStorm | https://conlang.fandom.com/wiki/Sinpa | 2021 | Speech and writing | Latin | | Pseudo-Auxlang and Philosophical | Mixture | Considerable Development | |
| View | Vatigaful | Vatiǧaful | | Tom Void | | 2022 | Speech and writing | Ogyubaid | | Personal | A priori | Some Development | |
| View | Vatigaful | Vatiǧaful | | Tom Void | | 2022 | Speech and writing | Ogyubaid | | Personal | A priori | Some Development | |
| View | Vatigaful | Vatiǧaful | | Tom Void | | 2022 | Speech and writing | Ogyubaid | | Personal | A priori | Some Development | |
| View | Smartok | Smartok | | Emagination Productions | https://youtu.be/_V5TeYY5oGc | 2016 | Speech and writing | Latin | | Jokelang | A posteriori | Well-developed | |
| View | Bizarrelang | bizarrelang | bzl | pikapika200 | https://conlang.fandom.com/wiki/Bizarrelang | 2017 | Speech and writing | latin | bizarre | Conworld and Secret | Value Unknown | Value Unknown | pronunciation rules have changed over the days of its existence. |
| View | Zaenian language
and Bahasa Zaenia | Zaeniyya Bahsalae | ZEN | Muhammad Zaidan Al Fajar
and Dichl n'Boe | Facebook | https://www.facebook.com/dichl.nboe.3 | 2020 | Speech and writing | Zaenian Script | Proto-Humanese
, Proto-Four Kingdomian
, Janayiric
, and Deressian dialect | Personal, Story-based, Conworld, and Geofictional | Mixture | Well-developed | Zaenian language is a language that is used in The Great Empire of Zaenian and its surrounding kingdoms as an official language or, at least, a minorities's. |
| View | Ancient Yarwinese language
, Bahasa Yarwin Kuno
, and Yarwiniyya Bahsalae | | | Muhammad Zaidan Al Fajar
and Dichl n'Boe | | 2021 | Speech only | | Proto-Humanese
and Proto-Yarwinese | Personal, Story-based, Conworld, and Geofictional | Mixture | Sketch/Minimal | Yarwinese language is a language that was used in the Empire of Yarwinese as an official language, and became a liturgical language in The Theocratic Empire of Kavizenian. |
| View | keeyo | celayi | N/A | George H. | Overview and Lexicon | 2022 | Speech and writing | N/A | | Personal | Value Unknown | Some Development | |
| View | Grelvish | I'lammen Tel'Quessir | | The Grey Company | https://grelvishlanguage.wixsite.com/grelvish | 1998 | Speech and writing | Latin Alphabet | Elvish: Based on J.R.R. Tolkien's Quenya and Sindarin | Conworld | A priori | Considerable Development | Website by Arieus Val'istar. |
| View | | | | | | | Speech and writing | | | Jokelang, Story-based, Conworld, Geofictional, Future, Alternate History, Lostlang, Xenolang/Alien, Pseudo-Auxlang, Global Auxiliary, Zonal Auxiliary, Other Auxiliary, Ideal, Philosophical, Logical, Experimental, Conpidgin, Spiritual/Mystical/Ritual, Secret, and Other | A priori | Value Unknown | |
| View | Carvish | Karvano | | Adam Zinkevich | https://omniglot.com/conscripts/exprish.htm | 2022 | Speech and writing | | Fictional | Future | A priori | Value Unknown | That Language Is Used For A Book |
| View | Dok'natu | Dok'natu
and Wikattu | DOK | Kathal | | 2020 | Speech and writing | Latin Script | Dok'na Languages | Personal, Conworld, and Secret | A priori | Some Development | |
| View | Crialan
and Ancient Crialan | Kria | | Zach Halteman
and Will Silva | | | Speech and writing | | | Story-based, Conworld, Future, and Xenolang/Alien | A priori | Value Unknown | |
| View | Randy Mitchel | Randy Mitchel | | randymitchel795@gmail.com | https://www.onlinemarketingpal.in/search-engine-optmization/
, https://www.hrefsolutions.com/search-engine-optimization/
, https://www.contact-support-phone-number.com/aol-support/ | 1 | Speech and writing | | English | Jokelang | A priori | Value Unknown | |
| View | Vatigaful | Vatiǧaful | | Tom Void | | 2022 | Speech and writing | Ogyubaid | | Personal | A priori | Some Development | |
| View | Ala Harabban | Yupasuyasaleba | | Kuba Gąsiorek | | | Speech and writing | Old/New Logographies, Soridi | Harabban | Conworld | A priori | Some Development | The oldest language and progenitor of the Harabban Language family |
| View | Classical Edrane | Itrānikə | CLEDR | Tark (Discord: Tark#5637) | | 2022 | Speech and writing | | Edrane languages | Personal and Conworld | A priori | Some Development | |
| View | Asissian | Asisi ʌ-nad | Asisi | "Asisi" | file:///var/folders/fj/hzl4phjj3hn6t61nbz9t9b8h0000gn/T/POLYGLOT1420541671634790484.html | 2020 | Speech and writing | Asissian Glyphs/Abdjad | Asissian Famliy | Geofictional | Mixture | Considerable Development | |
| View | Llunogaic
and Llunoga | Llunoga | | Oscar Jones | | 2021 | Speech and writing | | | Conworld | A priori | Some Development | My first conlang. Lacks almost any development whatsoever. Follows to a tee the Biblaridion "How to Make a Language" series. VSO word order. |
| View | | | | | | | Speech and writing | | | Personal | Value Unknown | Sketch/Minimal | |
| View | Bonnaluxish | Bonaluxic | | Matt Kaczmarek | | 2022 | Speech and writing | latin | | Personal and Geofictional | Mixture | Sketch/Minimal | |
| View | Nunwei
and La'foyan | Shuwei
and Nunwei | | Sam Hayzen | https://echodolls.com/lore
and https://echodolls.com/lore/?link=cd%20EQ.NETPEDIA%3A%2FROOT%2FCULTURE%2FLANGUAGE%2FNUNWEI | 2016 | Speech and writing | | Fewei | Story-based, Conworld, Future, and Xenolang/Alien | A priori | Learners | Conlang for the Nth-Dimensional Borders worldbuilding project: https://echodolls.com/join |
| View | Senuian | Senuya' | SYA | savoe | | | Speech and writing | | Senuya' | Conworld, Geofictional, Alternate History, and Other | A priori | Considerable Development | |
| View | Llwne
and Luneh | Llwne | | Given T Manyane | t.me/Llwne0 | 2021 | Speech and writing | syllabary | none | Global Auxiliary | A priori | Some Development | |
| View | Llwne
and Luneh | Llwne | | Given T Manyane | | 2022 | Speech and writing | | | Global Auxiliary | A priori | Some Development | |
| View | Mothervomit
, Mother Vomit
, and MotherVomit | Cilɣʷaq məðyʋaməðen
and | NA | Noah Rowlands | https://sites.google.com/venturaedu.org/mothervomit/home | 2022 | Speech only | NA | Isolate | Personal | A priori | Considerable Development | Not intended to be good, made in under 24 hours (November 12-13, 2022). Some inspiration from the uralic, chukchi-kamchatkan, eskimo-aleut and salish languages. |
| View | Lilipu
and The Bonsai Language | Lilipu | | Viktor Medrano | https://planetvix.tripod.com/lilipu/
and https://vixvoxvex.wordpress.com/lilipu/ | 2002 | Speech and writing | Latin alphabet, Baybayin-inspired writing system | | Personal | Value Unknown | Well-developed | Smaller phonology than Rotokas, optimal for haiku, "tropicalistic", minimalist, 1,600+ words |
| View | Àrnûnethe
and Arnunethe | Àrnûnethe | ARNU | Tarandir | https://conworkshop.com/view_article.php?ns=1f0e08ce0d67ed7dbfc13dfdad39b95b | 2022 | Speech and writing | àrtûnuthi | | Personal and Conworld | A priori | Considerable Development | |
| View | | | | | | | Speech and writing | | | | A priori | Value Unknown | |
| View | Viponasi | Vïponasï | | Me, James K sky | | 2022 | Speech and writing | | | Personal and Other | A priori | Considerable Development | |
| View | Sprag | Sprag | | Justadudeontheinternet | | | Speech and writing | | Scandinavian | | A priori | Value Unknown | Sprag is a language which is supposed to be a mixture between Danish, Norwegian, and Swedish. |
| View | Pekolandish
, Pekolish
, and Peko language | Péko pekko | PEKO | Aya Sayang (Peko-sensei) | https://pekosensei.wixsite.com/pekolandish
, reddit.com/r/pekopekko
, https://www.youtube.com/channel/UCAX68TpNKilu1xq4-uGS31g | 2020 | Speech and writing | Pekoji | | Jokelang | A priori | Considerable Development | Pekolandish is the language of the Supreme Rabbit Empress of Pekoland, Usada Pekora, from the Japanese VTuber group Hololive. |
| View | Lingwos de Teros | Meron Lingwos
and Lingwos de Teros | LDT | RangerSila | | 2022 | Speech and writing | Latin, Greek, Cyrillic | PIE inspired auxlang | Pseudo-Auxlang and Zonal Auxiliary | A posteriori | Value Unknown | This is my first attempt to create a language with relatively simple grammar based on Proto Indo-European reconstructed vocabulary. |
| View | gǂhʼu̠u | Guu
and Ndzgn | 0000 | stoowee | click | 395 | Speech and writing | 1 | Úgǂung | Conworld and Future | A priori | Well-developed | The Click spammer. |
| View | | | | | | | Speech and writing | | | | A priori | Value Unknown | |
| View | The Island Language | Sirema Ziha | | jan Kela | https://sites.google.com/view/jankela/sirema-ziha | | Speech and writing | | | Personal and Conworld | A priori | Value Unknown | |
| View | Haanakuu | Haanakaa | | Nydap | | | Speech and writing | | Haanyakan | | A priori | Value Unknown | Language of the elf continant |
| View | gabay | gabay | | aka.laud atu | | 2020 | Speech only | | | Personal | A priori | Some Development | gabay is a tagalog base conlang been created to be a fictional dielect |
| View | Linu | Linu | | Linu Digital Team | https://conlang.linu.tr | | Speech and writing | Latin - Linu Alphabet | | Conworld, Future, Global Auxiliary, Philosophical, and Experimental | Value Unknown | Well-developed | |
| View | Vinlandic
and Vinlandish (archaic and rare) | Vínsk
and Vínska | | Nero Schlüter | | | Speech and writing | |
, Indo-European
, Germanic
, North Germanic
, West Scandinavian
, Insular Scandinavian
, Western Insular Scandinavian?
, and Vinlandic | Alternate History | A priori | Sketch/Minimal | This is still a work in progress |
| View | Gumsmaq
and | pFF1P8W6Q8pBR2?9cR4 | | Agma Schwa and Ætérnal | https://youtu.be/WG7D1zMeN8E | | Speech and writing | | | Jokelang | A priori | Value Unknown | |
| View | Vatigaful | Vatiǧaful | | Tom Void | | 2022 | Speech and writing | Ogyubaid | | Personal | A priori | Some Development | |
| View | Femish | フエマオバウナ (Femovun) | | ScribbleNeb | | 2022 | Speech and writing | Femish Katakana | | Jokelang and Conworld | A posteriori | Some Development | |
| View | žyl
, zhil
, zhyl
, žil
, and | žyl | | Timflow | | | Speech and writing | | | | A priori | Value Unknown | |
| View | Vatigaful | Vatiǧaful | | Tom Void | | 2022 | Speech and writing | Ogyubaid | | Personal | A priori | Some Development | |
| View | Vatigaful | Vatiǧaful | | Tom Void | | 2022 | Speech and writing | Ogyubaid | | Personal | A priori | Some Development | |
| View | Leprechian | Laperár | | His Majesty of Leprechia | https://leprechian.onuniverse.com | 2019 | Speech and writing | Latin | | Personal and Other | Other | Some Development | |
| View | Valdekish | valekis
and (valekis) | | TK0001 | | 2022 | Speech and writing | | | Personal, Geofictional, Alternate History, and Other Auxiliary | Mixture | Some Development | Three dialects:
East
West
European |
| View | Khatiristan Language | Ye-Liđio uz ye-khat’ uz z’omunived | | Damian Izrullah bin Abdullah | | 2022 | Speech and writing | Guyfaz Latin Script | | Conworld | A priori | Some Development | |
| View | Carvish | Karvano | | Adam Zinkevich | | | Speech and writing | | Fictional | | A priori | Value Unknown | |
| View | Jafian | Jafislema | jfi | J. S. (speaks Finnish) | | 2020 | Writing only | Latin | Finnic languages | Conworld, Geofictional, Lostlang, and Conpidgin | Mixture | Value Unknown | Finnic language. Mainly Finnish grammar but contains as well native (innovative) words and Slavic, mostly Polish words. |
| View | Our Language | oneiu ges | ONGES | Henrique Maertens Paulinelli | https://conworkshop.com/view_language.php?l=ONGES | 2021 | Speech and writing | Latin | oneiu gesoyat | Conworld | A priori | Sketch/Minimal | It's spoken in oneiu rael, by around 1,000,000 people. |
| View | aagarwalkutty | aagarwalkutty | | aagarwalkutty | https://gotechmantra.com/4movierulz/ | | Speech and writing | | ENGLISH | Personal, Story-based, Alternate History, Ideal, Logical, and Experimental | Value Unknown | Value Unknown | I AM DIGITAL MARKETING ANAYLIST
https://gotechmantra.com/4movierulz/ |
| View | Asissian
and | Asisi ʌ-nad
and Inui-si ʌ-nad | | Me | | 2020 | Speech and writing | Asissian Glyphs/Abdjad | Asissian Family | Geofictional | Mixture | Considerable Development | Borrows words from African languages, as well as English. As of posting, word count is 476. |
| View | Glottogagalang | 1qv6h | | | | | Sign | lati | | Jokelang | A posteriori | Value Unknown | |
| View | | thehwitcan | | JFB/Playdoughmaster | | 2022 | Speech and writing | | | Conworld | A priori | Sketch/Minimal | |
| View | Batu | Üstün | | | | | Speech and writing | | | Future and Alternate History | A priori | Value Unknown | |
| View | Lenda Sarieh | Lenda Sarieh | RS | Jack Wang | | 2010 | Speech and writing | | Cicero Group | Personal | A priori | Some Development | |
| View | Epictian | Επίχιν | | Aiden A. Adler (Techsation) | | 2022 | Speech and writing | Greek | | Personal, Conworld, and Other | A priori | Considerable Development | |
| View | Epictian | Επίχιν | | Techsation | https://docs.google.com/document/d/1YCsR9vi1FZfvpbFi6jkrTD1w3Q8mwZ4oeiXx8Cex38c/edit?usp=sharing | 2022 | Speech and writing | Greek | | Personal, Conworld, and Zonal Auxiliary | A priori | Considerable Development | |
| View | FootStomp
, Footstomp
, and Muinumniuminuni | MNwIN*WMNMIwM nk INNwNI | | The cool kittens | https://docs.google.com/presentation/d/1EZ0D1YZFEIvNHf3GTLxbDM4xZjIHzCkfyTHdcRxvaqQ/edit#slide=id.p | 2022 | Other | Latin | | Jokelang and Other | A priori | Value Unknown | Created for Agma Schwa's cursed conlang showcase |
| View | gǂhʼu̠u | Guu
and Ndzgn | 0000 | stoowee | click | 395 | Speech and writing | 1 | Úgǂung | Conworld and Future | A priori | Well-developed | The Click spammer. |
| View | Hrihava | Huricana | HRI | Keith | | 1992 | Speech and writing | Latin | Grenan | Logical | A priori | Value Unknown | |
| View | Emekian
and Emek | Emek | EMEK | Sparklx | https://conworkshop.com/view_language.php?l=EMEK | 2023 | Speech only | | | Personal and Logical | Other | Some Development | |
| View | Reinsk | Reĭnsk | | G.H. Scherer | | | Speech and writing | | Germanic | Alternate History and Other Auxiliary | A priori | Value Unknown | |
| View | Dthanath | dthanath | | Kai Odenbrett | https://conlangandworldbuildindthings.blogspot.com/2023/02/dthanath_4.html | 2023 | Speech only | | | Conworld | A priori | Well-developed | Dthanath is kinda based on Scandinavian languages, but I know nothing about them. So it’s probably nothing like a Scandinavian language. |
| View | Dthanath | dthanath | | Kai Odenbrett | https://conlangandworldbuildindthings.blogspot.com/2023/02/dthanath_4.html | 2023 | Speech only | | | Conworld | A priori | Well-developed | Dthanath is kinda based on Scandinavian languages, but I know nothing about them. So it’s probably nothing like a Scandinavian language. |
| View | Dhunish
and Thunish | Ðúnsk | | Noah W. | | 2021 | Speech and writing | Halsh alphabet | Evoan
, Halsh
, and Isoa-halsh | Conworld | Mixture | Considerable Development | |
| View | lautiqu
and läütykü | lautiqu
and laushifñe | | | | 2022 | Speech and writing | qrynault k'autshe | | Story-based and Conworld | Value Unknown | Considerable Development | this is made by an ammature linguist, so don't make fun of it. |
| View | Vatigaful | Vatiǧaful | | Tom Void | | 2022 | Speech and writing | Ogyubaid | | Personal | A priori | Some Development | |
| View | Ajōne | Kce Ajōne | AJN | Max Grunwald | https://www.docdroid.net/TE7ak2p/ajone-reference-grammar-draft-4-pdf | 2022 | Speech and writing | | Omun Family | Conworld | A priori | Well-developed | |
| View | Atheal Primordial | | | Wesley Overholt | | | Speech and writing | | | Conworld | A priori | Value Unknown | |
| View | Batu | Üstün | | | | | Speech and writing | | | Future and Alternate History | A priori | Value Unknown | |
| View | Arakene
and Arakeens (Dutch) | Lèman Vjossa | | Cam H. (30ratsstackedinatrenchcoat) | https://conlang.fandom.com/wiki/Hykidik_Arakene | 2018 | Speech and writing | Sorsen, Latin alphabet | Arakene language family | Personal, Conworld, and Geofictional | A priori | Considerable Development | |
| View | Carvish | Karvano | | Adam Zinkevich | https://omniglot.com/conscripts/exprish.htm | | Speech and writing | | Fictional | Future | A priori | Value Unknown | That Language Is Used For A Book |
| View | Dok'natu | Dok'natu | DK | Kathal | | 2018 | Speech and writing | Latin Script | Mountain Languages | Personal, Conworld, Logical, Experimental, and Secret | A priori | Fluent Users | Currently I (Kathal) am the only fluent user of Dok'natu |
| View | Urduk National Language | Urdokshe
and اُرْضُكْشِي | | Damian Izrullah bin Abdullah | | 2022 | Speech and writing | Latin script/Arabic script/ Traditional script | Anhurnesia Family
and North Branch | Personal, Conworld, Zonal Auxiliary, and Spiritual/Mystical/Ritual | Mixture | Some Development | |
| View | Senuian | Senuya' | SYA | savoe | | | Speech and writing | | Senuya' | Conworld, Geofictional, Alternate History, and Other | A priori | Considerable Development | |
| View | Dwynic | Twyneth
and /twy.neθ/ | DWY | Lukka Roosileht | | 2023 | Speech and writing | Latin | Isolate | Personal and Other | Mixture | Sketch/Minimal | This is only yet an idea with minimal sketches on conworkshop.com |
| View | Dthanath | dthanath | | Kai Odenbrett | https://conlangandworldbuildindthings.blogspot.com/2023/02/dthanath_4.html | 2023 | Speech only | | | Conworld | A priori | Well-developed | Dthanath is kinda based on Scandinavian languages, but I know nothing about them. So it’s probably nothing like a Scandinavian language. |
| View | Zhvastkan | Žvastkoje
and Чвасткое | | rufold | | | Speech and writing | Latin, cyrillic | | Personal and Alternate History | Mixture | Some Development | |
| View | Romi
and | Favonnu
, I Paravolo
, and | | Keith W. Ratnavira | | 700 | Speech and writing | Latin | Iberian Romance | Geofictional and Alternate History | A posteriori | Some Development | |
| View | Scynian | Ealn huni | | Noah W. | | 2023 | Speech and writing | Nithanian alphabet | Scyni-Yavennian | Conworld | A priori | Some Development | |
| View | Manhanan | Manhhagnan | | Roulette (Giga_Soldier) | | 2023 | Speech and writing | Crylic, Latin, and | | Pseudo-Auxlang and Experimental | A posteriori | Some Development | |
| View | | Môla | | | | | Speech and writing | | | Experimental | A priori | Value Unknown | |
| View | Auroran | Aurorii | | minecraftlvr247 | | | Speech and writing | | | | A priori | Value Unknown | |
| View | Lamintic | Lamh'hink | | FinnishGermans | https://app.memrise.com/course/6294603/lamintic-conlang-audio/ | 2021 | Speech and writing | Latin | | Personal, Other Auxiliary, Experimental, and Other | A priori | Considerable Development | |
| View | Fazcian | Vazkian | | FinnishGermans | | 2022 | Speech and writing | Latin | | Story-based, Conworld, Alternate History, Global Auxiliary, and Conpidgin | A priori | Considerable Development | |
| View | Darzaf
and Kapsap | Darzaf
and Kapsap | | Dan Hominem | https://www.danhominem.com/darzaf--kapsap.html | 2021 | Speech and writing | Latin | Auxiliary | Global Auxiliary | Other | Some Development | An auxlang made to be simple and inclusive at the same time. |
| View | kojil z'oufmalch | kopil z'oufmalh | | Badamu | | 2022 | Speech and writing | ekikäm zy'kopil z'oufmalh | | Personal and Secret | A priori | Considerable Development | |
| View | Femaris
and Phemaric | Femaris | | Alex Mager (Sthynir) | | 2018 | Speech and writing | Latin, Femaris Alphabet | Sylvo-Phemaric | Personal and Conworld | A priori | Considerable Development | Language of the Northern Elves in the world of Naia; also used as an international language throughout the subcontinent of Femas (hence the name). |
| View | Lkasuhaski | Lkasuhaski | | u/MisterEyeballMusic | https://conworkshop.com/view_language.php?l=LKASU
, https://conworkshop.com/dictionary.php
, https://conworkshop.com/grammar_tables.php
, https://conworkshop.com/namebase.php | 1053 | Speech and writing | Lkasuhaski Standard, Latin | | Conworld and Geofictional | A priori | Considerable Development | Spoken in the "Free People's Republic" of Lkasuhask by 37.8 million speakers, and in the Republic of Acaris by about 36 thousand. |
| View | Velepotian | Ÿfelpotkie | | Barry Schrikker | | 2021 | Speech and writing | Latin, Tudulan | Italic with influence of neighbour languages like Taraposkic, Tikoma, Cytano-Lomure and Tulan
and | Conworld | A priori | Considerable Development | |
| View | Kyral /ˈkʰaɪ̯ɹəɫ/ | Кыра̀лский [ˌkɪɾälskʲɪj] | | Tdog500#1537 on discord | https://docs.google.com/document/d/1-o_Y_gdsJ0DsIUr1FC44_iUnDckc2SbfGSyZ9CUVc-s/edit?usp=sharing | 2023 | Speech and writing | Cyrillic (Latin) | Slavik, east/north | Personal, Conpidgin, and Other | A priori | Some Development | this language doesnt have any official vocab yet. so far i mostly have created vocab as i need, but not documenting any of it because im lazy, by finding common words and cognates in east/north slavik languages |
| View | Çeeîch | Çeeîch | | Seth Dupuis | https://docs.google.com/document/d/1gIxNjk1yrNz7dZlrJ4cNs7KlxKC0jv7LpbgVVFzuuNI/edit?usp=drivesdk | 2023 | Speech and writing | 0 | | Personal, Secret, and Other | A priori | Value Unknown | Still a work in progress |
| View | Aeros | Aeros | AE | Alessandro David | Grammar and dictionary: https://docs.google.com/document/d/1MwDqWsV1XJ5DA0-pQEIqDdx-OPfL0w5eqbRcrdFtBt4/edit?usp=sharing | 2022 | Speech and writing | Latin, Greek | N/A | Personal and Philosophical | A priori | Well-developed | |
| View | Auien | uyieɴ | | dantethecreator / dantecartografo | https://scratch.mit.edu/projects/791984200/
and https://scratch.mit.edu/projects/813300325/ | | Speech and writing | | | | A priori | Value Unknown | |
| View | Auien
, Αυιεν
, and Ауиенский | Uyieɴ
and Uyieʔ̃ | | dantethecreator2021 / dantecartografo | https://scratch.mit.edu/projects/813300325/
and https://scratch.mit.edu/projects/791984200/ | | Speech and writing | | | | A priori | Value Unknown | |
| View | Gemstonian | Hêmêstonskî | | MirageVision | https://docs.google.com/document/d/1SDIiNyz-qyuSFN8SahRR2SDedIyZXWMCZ70KjqNnwWk/edit?usp=sharing | | Speech and writing | Latin alphabet | Caxatraxian Languages | Story-based and Geofictional | Mixture | Some Development | Created for a fictional race of people called the Gemstonians, it is mainly spoken in the fictional countries of Valhant (Waksãêks), Voxox (Wõksõks), Baysok Islands (Ilaweğês Bajsokğês), and Zorvotya (Zorwõtja) |
| View | Tinianan (English)
and Tiñanés (Spanish) | Tiñaniól | TNN | Part of a collaboration with some non-conlanger people, main creator goes by the nickname "Fueyo222" | | 2015 | Speech and writing | Latin | Indo-European
, Italic
, Romance
, and Ibero-Romance | Personal | A posteriori | Fluent Users | |
| View | tamati | t'ōtsamth | | | | 0 | Speech and writing | | | Geofictional, Lostlang, Ideal, Philosophical, Experimental, and Secret | A priori | Sketch/Minimal | |
| View | Wyldlüph | Wyldlüph | Wlf | Swift | | 2019 | Speech and writing | | | Personal, Story-based, Geofictional, Future, Lostlang, Xenolang/Alien, and Other | A priori | Value Unknown | |
| View | Anteron | Anteneeta
, Anteron
, and Ʒaavana Annwejega | | puxped | https://puxped.ddns.net/projects/anteron.php | 2021 | Speech and writing | Anteron, Latin, Cyrillic | Ladruuʒan
and Antonic | Personal, Story-based, and Conworld | Mixture | Considerable Development | |
| View | Anteron | Anteneeta
, Anteron
, and Ʒaavana Annwejega | | puxped | https://puxped.ddns.net/projects/anteron.php | 2021 | Speech and writing | Anteron, Latin, Cyrillic | Ladruuʒan
and Antonic | Personal, Story-based, and Conworld | Mixture | Considerable Development | |
| View | Ummewí
, Ummewi
, Ummaví
, and Ummavi | Ummewí | | Adnan Jawharul Islam (nom de plume) | drive.google.com/file/d/1MzJQeVblQQKqH9wOqY9CRYYC_ZRjCx-q/view?usp=sharing
and | 2019 | Speech and writing | Arabic, Perso- Arabic, Latin | | Geofictional, Global Auxiliary, Zonal Auxiliary, and Other Auxiliary | A priori | Considerable Development | Muslim Esperanto, Pan-Islamic Auxiliary Language |
| View | Bublegumish
and Shirbihlandish | Byblegym bazik
and Ↄirbihland bazik | | Прірк#3145 | | | Speech and writing | | | | A priori | Value Unknown | |
| View | Karaan | Karaan
, Karaan Glodeìan
, and Karaan nasc | | Les Arkanlettir (pseudonym) | | | Speech and writing | | Glodeìan (Glodean languages) | Personal, Conworld, Geofictional, Xenolang/Alien, Ideal, Experimental, Spiritual/Mystical/Ritual, and Other | Value Unknown | Value Unknown | Now it is officially reserved. |
| View | Juki Languages | juki buj sol
, zʲülüssugbuj
, zʲörössgbuj
, and Neo-zʲörössg buj dialect continuum | | | | 2022 | Speech and writing | Modified Thakucwul Alphabet | | Conworld | A posteriori | Considerable Development | |
| View | Germengish | Germengic | | J.Berglin | https://conlang.fandom.com/wiki/Germengish | 2022 | Speech and writing | Latin | Germanic | Zonal Auxiliary | A posteriori | Considerable Development | |
| View | Proto-Ossemic | osɛmmiɣa | | LatinSmallLetterAlpha | | 2022 | Speech only | | | Conworld | A priori | Some Development | |
| View | Saramaghagan
and Tuturoan | Túyerí
and | | Avarice | https://hetstreek-my.sharepoint.com/:w:/g/personal/18843_hetstreek_nl/EQIMTqy7RPROhDKVwQAF5QUB3u9NjQc49xjmPxloWQYU_w?email=18843%40hetstreek.nl&e=dVAKVL | 2022 | Speech and writing | Saramaghan | Tsaramaghagan
, Western tsaramaghagan
, and Túyerí | Personal, Geofictional, and Zonal Auxiliary | A priori | Some Development | A language spoken in the Federation of Tútúróyóyó, a nation on the fictional Saramaghagan Archipeligo. Its close relatives are Agadun and Tsaramaghagan. |
| View | Silvian
and | Hulu: Silfia
and pronounced: hoo-loo seal-via | | Asisi | | 2022 | Speech and writing | Silvian Alphabet | Palian Language Family | Conworld | A priori | Considerable Development | |
| View | Anudan | Anudo Ivare
and Anudo Ugare | | Ryan Carpenter | | 2023 | Speech and writing | The Anudo Ivare script and the Anudo Ugare script | | Personal and Story-based | A priori | Some Development | I tried to make this language draw slight inspiration from Spanish and a bit of Japananese, but mainly be its own thing. It does have a dialect but thats a whole other thing. |
| View | Yoshó | Yoshó
and | | Arayaz | | 2023 | Speech and writing | Yoshian Anopí Script | Yoshian | Conworld | A priori | Well-developed | |
| View | Dorian | Dorjan̄
and Doryan̄ | | Awelynn | | 2022 | Speech and writing | Latin alphabet (extended) | | Personal, Story-based, and Conworld | Mixture | Some Development | |
| View | vetande
, veneshan
, and notane | nona utepe
, vetande
, and vaneshun | | 1ryzardy | https://docs.google.com/document/d/1wzNPUYCBhDhf9XWqCJBvUtPmi21jWp90dw0PC6L2O6A/edit | | Speech and writing | | katokane | | A priori | Value Unknown | "nona utepe" literally translates to "new standard". According to the lore, it was constructed in 2197 to unite the world, spoken by both robots and humans; who both equally keep each other in check and protect each others existences |
| View | Sopashasho | Shopashaso | | Anonymous Sopashasho Speaker | https://docs.google.com/document/d/1oRmg7mbLo0njtg0Sj5ElbJbNEgfrXNVo-M7FM2_aUyk/edit#heading=h.oratzg4jxvmr | | Speech and writing | | | Conworld, Geofictional, Alternate History, Ideal, and Philosophical | Other | Well-developed | |
| View | Neo-Bulgar
and Bulgar | Былгарла
and Былгар тилгеси | | Qazh | https://conworkshop.com/view_language.php?l=NBULG | 2022 | Speech and writing | Cyrillic, Latin, Arabic | Turkic
and Oghur | Personal, Alternate History, and Lostlang | A posteriori | Some Development | |
| View | Imperial Afansevan | duvar arozar jusrardaŋivaz | daj | Triton2009 (pseudonym) | https://conlang.fandom.com/wiki/Afansevan
, https://conlang.fandom.com/wiki/Afansevan/Phonology
, https://conlang.fandom.com/wiki/Afansevan/Grammar | 2023 | Speech and writing | Afansevan Abugida | Indo-European -> Afansevan -> Neosevan -> Imperial Afansevan
and | Personal and Alternate History | A posteriori | Considerable Development | The language spoken by the infamous Californian emperor Pulobudza I in the 1200s AD in the Imperium Cascadia timeline. |
| View | Kanguçwan | | | Lichen | https://www.youtube.com/watch?v=9lY7kUieD_I | | Speech and writing | | | Alternate History and Other | A posteriori | Value Unknown | |
| View | Ahhisle | Aḥisla | | TeliyaTrey | | | Speech and writing | | | Personal and Conworld | A priori | Sketch/Minimal | |
| View | Baguette | Dan | BGT | Nobodyhere
and Caleb | | 2023 | Speech and writing | | | Personal, Experimental, and Secret | A priori | Considerable Development | |
| View | Zataeul | 자타을 | ZTL | Takeshi Hagiwara (타캐시 하기와라) | | 2023 | Speech and writing | 한글(Hangul) | | Personal | Value Unknown | Sketch/Minimal | |
| View | Nore | Nore | | jan Kamelin | | 2023 | Speech and writing | Latin alphabet | Germanic
and Romance | Personal | A posteriori | Some Development | |
| View | A Sa La | a sa la | | jan Kamelin | | | Speech and writing | | | Personal and Conworld | A priori | Sketch/Minimal | |
| View | Oskan | m'oskan | | Donotforgetmycode | https://scratch.mit.edu/projects/643676446/
and https://scratch.mit.edu/projects/877992506/ | 2022 | Speech and writing | Oskan Writing System | | Personal, Conworld, and Other | A priori | Considerable Development | |
| View | Patore
and | Patore | | jan Kamelin | | 2023 | Speech and writing | Latin | | Global Auxiliary | Mixture | Considerable Development | |
| View | Qótosan | onól Ti qótosan | | | www.reddit.com/r/qotosan | 2021 | Speech and writing | | | Global Auxiliary | Mixture | Some Development | |
| View | Kabyysurus
and /kʌbisʊɹʊs/ | /kʌbjɛɹʌsuɹus/ | | | https://docs.google.com/document/u/0/d/1qiKbzekiUN2iohX-UWP5uvj14SPjRpSqk-D3sl2-mCo/edit?usp=drive_web&pli=1 | | Speech and writing | | | Experimental | A priori | Considerable Development | A conlang, probably my best so far.
The goal of this language is to utilize the small amount of vocabulary to create more words, hence creating dialects. The language is built to create itself. |
| View | sakanita | saka | | | rumahmain.cs | | Speech and writing | | | | A priori | Value Unknown | |
| View | | Sevvufery | | | | 2016 | Speech and writing | Aa Åå Ãã Ää Bb Dd Ðð Ee Ëë Ff Gg Hh HHhh Ii Íí Ïï IIii Jj Kk Ll Mm Mm Oo Öö Pp Rr RRrr Ss Tt Uu Úu Üü Vv VVvv Ww Xx Yy Ýy Ÿÿ Zz ZZzz ΔΓ ∞ | (Ordered based on age, with the first group being the oldest)
, Gusviarpin
, Gusviai
, Kano-Gusviai
, Sevvuferyn-Cathlushenian-Optoliriin
, Sevvuferyn Compass
,
,
, and | Personal, Story-based, Conworld, Geofictional, Xenolang/Alien, Pseudo-Auxlang, Ideal, and Logical | Mixture | Considerable Development | |
| View | Olorabar | Olorabar | | Brooke C. Hemstreet | | 2023 | Speech and writing | Latin | | Personal | Mixture | Some Development | |
| View | English: Keigu
, Japanese: ケイグ
, and Korean: 케이구 / 케익우 | 基話 | | Akuma Winterwolf | | 2021 | Speech and writing | Modified Han-based logography and modified Korean-based syllabary | Han | Personal, Conworld, Global Auxiliary, and Other Auxiliary | Mixture | Considerable Development | |