This article contains a list of notable wikis, which are websites that use wiki software, allowing users to collaboratively edit content and view old versions of the content. These websites use several different wiki software packages.

Table

Name Focus Notes Entries License
AboutUs Web directory Initially pre-populated with information about many different websites. Uses MediaWiki software, but now largely with Ruby on Rails 28,739,286[1] GFDL and CC BY-SA 3.0
Appropedia Poverty reduction, international development 15,437[2] CC BY-SA 4.0
Astro-Databank Encyclopedic Astrological wiki project, with birth details for notable people of the world. 37,614[3]
Baidu Baike Encyclopedic / Simplified Chinese Simplified Chinese encyclopedia 27,482,961[4]
Baike.com Encyclopedic / Simplified Chinese Simplified Chinese encyclopedia 15,180,000[citation needed]
Brilliant Math/Science Written at the reading and comprehension level of an advanced high school student. Wiki pages are reviewed before they are put up.[5]
Base de datos Encyclopedic/Spanish Spanish language encyclopedia, with own wiki software. 13,518[6] Copyrighted/Other
Catawiki Catalogues Originally in Dutch, with English version. Collectors specific for comics, coins, stamps, trading cards, board games, model cars, model trains, bank notes, books, watches, Disney memorabilia, clocks and other. 200,000
Citizendium Encyclopedic Requires writers to use real names rather than usernames; guided by expert input while allowing edits from the general public 17,258[7] CC BY-SA 3.0
Conservapedia Encyclopedic Information and articles are written from a conservative Christian viewpoint aimed at correcting the alleged liberal bias of Wikipedia. 51,493[8] Copyrighted (free use)
Copyright Evidence Copyright studies Exists to inform public debate and policy development on copyright related issues based on categorising empirical studies. Funded and maintained by CREATe at the University of Glasgow. 2,980[9]
Choral Public Domain Library (CPDL) Music Wiki library of free typeset musical scores 40,888[10] Public domain, CPDL Licence, C.C. Licences, Copyrighted (free use)
DavisWiki Place – Davis, California City wiki dedicated solely to Davis; at one point the largest city wiki 15,593[11] CC BY 3.0
Diplopedia Government – Diplomacy Encyclopedia of the U.S. Department of State collecting items related to international relations and diplomacy
EcuRed Cuban perspective on global issues, in Spanish Run by Cuba's Youth Computer Club, an affiliate of the Communist Youth Union 19,482 CC BY-NC-SA.[12]
Enciclopedia Libre Universal en Español Encyclopedic/Spanish Spanish language fork of Wikipedia 47,281[13] CC BY-SA 3.0
Encyclopedia of Mathematics Mathematics MediaWiki using MathJax extension[14] 16,211[15] CC BY-SA 3.0
Encyclopedia Dramatica Parody of Internet memes Parody-themed wiki 14,972 Fair use
Everipedia Encyclopedic 6,000,000[16] CC BY-SA 4.0
Fallout Wiki Fiction/Gaming – Fallout series Wiki about the Fallout video game series. Ongoing merger with "Nukapedia" (Fandom) and "The Vault" (Curse/Gamepedia). 45,000[17] CC BY-SA
Family History Research Wiki Genealogy research Reference information and research guidance. In 11 languages. 82,857[18] CC BY-SA 3.0 US
Fandom Pop culture and media franchises Wiki hosting service. It is a collection of many wikis, each focusing on a different subject. more than 40,000,000 articles[19] CC BY-SA 3.0[20]
Fanlore Fandom Fandom and transformative works, with a focus on fannish history and activities. Powered by MediaWiki. 60,753[21] CC BY-NC 3.0 US[22]
Foodista.com Reference – Food and Cooking Creative Commons structured wiki about foods, recipes, and other culinary information. CC BY
La Frikipedia Parody of encyclopedia Spanish language parody of Wikipedia. 11,159[23] GFDL
Fringepedia Fiction – Fringe, related 'fringe science' topics Powered by MediaWiki. 6,759[24] CC BY-NC-SA
Gardenology.org Gardening Meant as a "complete plant and garden wiki encyclopedia" 22,005[25] CC BY-SA
GCpedia Government — Canada Internal Government of Canada Wiki
GeoNames Places Geographical database that links specific names with unique features
GitLab wikis Mainly computer software program documentation
Glottopedia Linguistics – Multilingual A Wiki on linguistics and languages 3,227[26]
Heraldry of the World Encyclopedic – Multilingual A wiki dealing with non personal heraldry 139,558[27]
Heroes Wiki Fiction – Heroes Articles about the TV show Heroes.
Hitchwiki Encyclopedic – Multilingual A database on hitchhiking that includes an interactive world map showing the best and worst places to catch a ride. 3,467[28] in English and about 2,000 more in 16 different languages.[29]
Intellipedia Government – Intelligence Three non-accessible wikis running on networks that link the U.S. intelligence community
International Music Score Library Project Music Wiki library of public domain musical scores 14,800[30] GFDL
Internet Movie Firearms Database (IMFDb) Firearm usage in Film, Television and Videogames Runs on MediaWiki 27,723[31]
JurisPedia Government – Law Multi-lingual academic encyclopedia, including Arabic, Chinese (Simplified Chinese), English, French, German and Spanish CC BY-NC
Know Your Meme Fiction – website and video series 28,105[32]
Lostpedia Fiction – Lost Articles about episodes, characters, themes, etc. in the television show. 7,456[33] CC BY-NC-ND
LyricWiki Music – Lyrics Listing of lyrics by album 1,737,000[34] Mostly copyrighted. CC BY-SA for minority of content.
MeatballWiki Communities – Online communities 5,213[35] Copyrighted
Memory Alpha Fiction – Star Trek Contains canon-only material 56,326[36] CC BY-NC 4.0
Metapedia Encyclopedia White nationalist and extreme right-wing online encyclopedia. 7,896[37] Unknown
MicroWiki Micronationalism Runs on MediaWiki. 39,703[38] CC BY-SA 4.0
MyWikiBiz Misc – Business directory Allows people and enterprises to write about themselves 9,093 GFDL and other[39]
Namuwiki Encyclopedic/Korean 602,837 CC BY-NC-SA 2.0 KR
nLab Mathematics, physics, and philosophy wiki For research-level notes, expositions and collaborative work, including original research, especially from the n-categorical point of view. 18,098[40] No formal license. Freely reusable if source acknowledged.
OpenStreetMap Places – Maps Uses GPS, aerial photography and other free sources of images to create a map of the world ODbL 1.0
OpenWetWare Science – Biology Promotes sharing and dissemination of knowledge related to biological research CC BY-SA
PCGamingWiki Games – PC games Aims to provide fixes and information on all PC games 45,508[41] CC NC-SA 3.0
PlanetMath Misc – Mathematics Free wiki-style mathematical encyclopedia
Proteopedia Science – Chemistry A 3D encyclopedia of proteins and other molecules 191,915[42] Copyrighted
RationalWiki Encyclopedic Information and articles are written from a liberal, skeptical[43] and secular point of view as a response to Conservapedia 7,434[44] CC BY-SA 3.0
Rangjung Yeshe Wiki Himalayan Buddhism, Tibetan Dictionary Tibetan-English Dictionary, Buddhist Glossaries, Biographies of Buddhist Teachers, and Resources 23,721[45] CC BY-NC-SA / GFDL
Rosetta Code Computers — computer code Powered by MediaWiki 2,045[46] GFDL 1.2
Runiversalis Encyclopedic 2,040,397[47] CC BY-SA 3.0
Ruwiki Encyclopedic 1,913,845[48] CC BY-SA 4.0
Scholarpedia Encyclopedic Written exclusively by professionals focusing on their field of expertise; subject to peer review 1,812[49] Copyrighted
SCP Foundation Fiction — horror, science fiction, urban fantasy Fictional secret organization documented by the collaborative writing wiki project of the same name 15,000 CC BY-SA 3.0
Sensei's Library Misc – Go (game) WikiWiki Web site running on GoWiki, a custom wiki based on PhpWiki. 18,200 OPL
SKYbrary Aviation safety information Runs on MediaWiki.
SNPedia Science – Biology Database of research and information about single-nucleotide polymorphisms, including medical consequences for people who have DNA info about themselves 100,000[50] CC BY-NC-SA 3.0
Sogou Baike Encyclopedic / Simplified Chinese Simplified Chinese encyclopedia 900,000
Stadtwiki Karlsruhe Encyclopedic Multilingual city wiki for Karlsruhe 21,157[51] CC BY-NC-SA
Supernatural Wiki Fiction – Supernatural The wiki for the hit TV show Supernatural 4,224[52]
TermWiki Words in different languages Social learning network built around terms and questions in 75 languages. 1,417,806[53]
Travellerspoint Places – Travel Social networking site dedicated to sharing stories and recommendations about travel 8,578[54] CC BY-SA 3.0
TV Tropes Encyclopedic Focuses on documenting tropes in various media 551,245[55] CC BY-NC-SA
UK LGBT Archive LGBT history, United Kingdom Building towards a comprehensive history of LGBT (Lesbian, Gay, Bisexual, Transgender) life in the United Kingdom. Previously the LGBT History Project.[56] Runs on MediaWiki. 4,001[57] CC BY-SA 3.0
Uncyclopedia Satire – Parody Satirical encyclopedia dedicated to parody, notably parodying Wikipedia. Has 2 "official" English versions due to a split. 36,500[58] CC BY-NC-SA 2.0
Veropedia Selected English Wikipedia articles A free, advertising-supported Internet encyclopedia project
Vienna History Wiki History of the city of Vienna, Austria. The main content of the wiki are persons, buildings, topographical objects (streets, parks, waters, districts...), organisations, events and other items (such as special German expressions used in Vienna) 185,636[59] CC BY-NC-ND
WikiAnswers General knowledge Compiles answers to questions posed 11,265,000[60] Copyrighted
WikiArt Art, paintings Project aims to create high-quality, complete and well-structured online repository of fine art. 75,000[61] Public domain artworks
Wikibooks General – textbooks Wikimedia project 115,200[62] CC BY-SA/other
Wikidata Wikimedia project 109,366,201 items CC0 1.0, CC BY-SA 4.0
WikiEducator Open educational resources Open educational resources which anyone may use, adapt, and share 24,985[63] CC BY-SA and CC BY
WikEM Emergency Medicine Rapid reference for practical point-of-care clinical knowledge with a popular linked point-of-care phone application. Intended for clinicians only and not directly for patients. 4,515[64] CC BY-NC-ND 4.0
WikiFeet
(including WikiFeet Men) 		Foot fetishism Directory of pictures of celebrities' feet
wikiHow How-to articles A wiki how-to manual 166,386[65] CC BY-NC-SA 3.0
WikiIslam Criticism of Islam 824[66] CC BY-NC 3.0
Wikimapia Places – Map Combines Google Maps with a wiki system for polygonally defined areas; currently supports 35 languages 13,300,000 CC BY-NC-SA[67]
Wikimedia Commons Misc – Electronic media Repository of free electronic media; a Wikimedia project 104,828,785 files CC BY-SA and some other free licenses
Wikinews General – News Collaborative news service, a Wikimedia project 1,750,853 articles CC BY
Wikipedia Encyclopedic Multilingual Wikimedia project that uses MediaWiki 62,852,423 articles CC BY-SA 3.0 for text (July 15, 2009–now). Files have various licenses. Dual license under GFDL and CC BY-SA 3.0 for text (November 1, 2008 – July 15, 2009). GFDL for text (–November 1, 2008).
Wikiquote Reference – Quotations Quote repository; a Wikimedia project 320,228 articles CC BY-SA
WikiShia Shi'a Islam Online encyclopedia focusing on Shi'a, the second major denomination in Islam. It has articles in 8 languages. Persian has the most articles which is more than 3500.[68] 3,922[69] in English Unknown
Wikisource Reference – Primary sources Digital library of free content textual sources; a Wikimedia project 6,018,857 articles CC BY-SA
Wikispecies Science – Biology Directory of species; a Wikimedia project 873,430 articles GFDL and CC BY-SA
Wikitravel Places – Travel Travel guide using Wikimedia's software, but unconnected to the Wikimedia Foundation (which hosts Wikivoyage). 20 supported languages 62,345[70] CC BY-SA 3.0
WikiTree Genealogy Free global family tree using MediaWiki software, but unconnected to the Wikimedia Foundation. 11,148,296[71] Unknown[72]
Wikiversity General – Self-directed learning Supports free learning communities, projects, materials, and learners; a Wikimedia project CC BY-SA 3.0
Wikivoyage Places – Travel Multilingual travel guide of the Wikimedia Foundation. 135,071 articles CC BY-SA 3.0
WikiWikiWeb Computer programming, specifically design patterns World's oldest wiki (began circa 1995) 34,997[11] GPL
Wiktionary Multilingual dictionary Online dictionary; a Wikimedia project 39,104,966 articless CC BY-SA 3.0
Wookieepedia Fiction – Star Wars Science fiction encyclopedia 186,028[73] CC BY-SA 3.0
Wowpedia / WoWWiki Gaming – Warcraft Contains in-universe material 168,466[74] (Wowpedia); 105,351[75] (WoWWiki) CC BY-SA 3.0
360 Baike[76] Encyclopedic / Simplified Chinese Simplified Chinese encyclopedia

See also

Meta has related information at: List of largest wikis

References

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  2. ^ "Statistics". Appropedia. Retrieved September 23, 2023.
  3. ^ "Statistics". Astro-Databank. Retrieved September 23, 2023.
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