list of wikis#Science and technology

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

class="wikitable sortable sticky-header"

!Number

! 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

| style="text-align: right" | {{nts|28,739,286}}{{cite web |url=https://aboutus.com/Special:Statistics |title=Statistics |website=AboutUs |access-date=September 23, 2023}}

| GFDL and CC BY-SA 3.0

| Appropedia

| Poverty reduction, international development

| style="text-align: right" | {{nts|15,437}}{{cite web |url=https://www.appropedia.org/Special:Statistics |title=Statistics |website=Appropedia |access-date=September 23, 2023}}

| CC BY-SA 4.0

| Astro-Databank

| Encyclopedic

| Astrological wiki project, with birth details for notable people of the world.

| style="text-align: right" | {{nts|37,614}}{{cite web |url=https://www.astro.com/astro-databank/Special:Statistics |title=Statistics |website=Astro-Databank |access-date=September 23, 2023}}

| Baidu Baike

| Encyclopedic / Simplified Chinese

| Simplified Chinese encyclopedia

| style="text-align: right" | {{nts|27,482,961}}{{cite web |url=https://baike.baidu.com |title=全球领先的中文百科全书 |website=百度百科 |access-date=September 23, 2023 |trans-title=The world's leading Chinese encyclopedia |trans-website=Baidu Baike}}

| Baike.com

| Encyclopedic / Simplified Chinese

| Simplified Chinese encyclopedia

| style="text-align: right" | {{nts|15,180,000}}{{citation needed|date=September 2023}}

| Ballotpedia

|Encyclopedic

|Information regarding United States elections

|style=“text-align: right”|

| 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.{{Cite web |title=Wiki Guidelines {{!}} Brilliant Math & Science Wiki |url=https://brilliant.org/wiki/wiki-guidelines/ |access-date=2023-02-19 |website=brilliant.org |language=en-us}}

| Base de datos

| Encyclopedic/Spanish

| Spanish language encyclopedia, with own wiki software.

| style="text-align: right" | {{nts|13,518}}{{cite web |url=http://www.basededatos.com |title=Base de Datos.com - Encuentra y comparte información |publisher=Basededatos.com |date=October 22, 2014 |access-date=October 22, 2014 |url-status=dead |archive-url=https://web.archive.org/web/20141025085458/http://www.basededatos.com/ |archive-date=October 25, 2014 }}

| 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.

| style="text-align: right" | {{nts|200000}}

| Citizendium

| Encyclopedic

| Requires writers to use real names rather than usernames; guided by expert input while allowing edits from the general public

| style="text-align: right" | {{nts|17,258}}{{Cite web|title=Category:CZ Live - Citizendium|url=https://en.citizendium.org/wiki/Category:CZ_Live|access-date=2021-05-01|website=en.citizendium.org}}

| 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.

| style="text-align: right" | {{nts|56,257}}{{Cite web |title=Statistics - Conservapedia |url=https://conservapedia.com/Special:Statistics |access-date=January 4, 2025 |website=conservapedia.com}}

| 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.

| style="text-align: right" | {{nts|2,980}}{{Cite web|title=Statistics - Copyright EVIDENCE|url=https://www.copyrightevidence.org/wiki/index.php/Special:Statistics|access-date=2021-05-01|website=www.copyrightevidence.org}}

| Choral Public Domain Library (CPDL)

| Music

| Wiki library of free typeset musical scores

| style="text-align: right" | {{nts|40,888}}{{Cite web|title=Statistics - ChoralWiki|url=https://www.cpdl.org/wiki/index.php/Special:Statistics|access-date=2021-05-01|website=www.cpdl.org|language=en}}

| 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

| style="text-align: right" | {{nts|15593}}

| 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

| style="text-align: right" | {{nts|19,482}}

| CC BY-NC-SA.{{cite web |date=13 December 2010 |title=Cuba launches Wikipedia-like online encyclopedia |url=http://ca.reuters.com/article/technologyNews/idCATRE6BD02E20101214?sp=true |url-status=dead |archive-url=https://web.archive.org/web/20160304050027/http://ca.reuters.com/article/technologyNews/idCATRE6BD02E20101214?sp=true |archive-date=4 March 2016 |work=Reuters}}

| Enciclopedia Libre Universal en Español

| Encyclopedic/Spanish

| Spanish language fork of Wikipedia

| style="text-align: right" | {{nts|47,281}}{{cite web|url=http://enciclopedia.us.es/index.php/Special:Statistics |archive-url=https://archive.today/20120712055302/http://enciclopedia.us.es/index.php/Special:Statistics |url-status=dead |archive-date=July 12, 2012 |title=Estadística. Artículo de la Enciclopedia |language=es |publisher=Enciclopedia.us.es |access-date=March 24, 2012}}

| CC BY-SA 3.0

| Encyclopedia of Mathematics

| Mathematics

| MediaWiki using MathJax extension{{cite web|title=Encyclodpedia of Mathematics via Wayback Internet Archive |url=https://www.encyclopediaofmath.org/index.php/Encyclopedia_of_Mathematics%3AAbout |access-date=December 6, 2016 |url-status=bot: unknown |archive-url=https://web.archive.org/web/20161206114211/https://www.encyclopediaofmath.org/index.php/Encyclopedia_of_Mathematics%3AAbout |archive-date=December 6, 2016 }}

| style="text-align: right" | {{nts|16,211}}{{Cite web|title=Statistics - Encyclopedia of Mathematics|url=https://encyclopediaofmath.org/wiki/Special:Statistics|access-date=2021-05-01|website=encyclopediaofmath.org}}

| CC BY-SA 3.0

| Encyclopedia Dramatica

| Parody of Internet memes

| Parody-themed wiki

| style="text-align: right" | {{nts|14972}}

| Fair use

| Everipedia

| Encyclopedic

| style="text-align: right" | {{nts|6,000,000}}{{cite web|url=https://www.blockchaintechnology-news.com/2017/12/07/wikipedia-co-founder-joins-mission-build-blockchain-encyclopaedia/|title=Wikipedia co-founder joins mission to build blockchain encyclopaedia|last=Hebblethwaite|first=Colm|publisher=The Block – Blockchain Technology News|date=December 7, 2017|url-status=live|archive-url=https://web.archive.org/web/20171222051749/https://www.blockchaintechnology-news.com/2017/12/07/wikipedia-co-founder-joins-mission-build-blockchain-encyclopaedia/|archive-date=December 22, 2017}}

| 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).

| style="text-align: right" | {{nts|55,000}}{{Cite web|title=Statistics {{!}} Fallout Wiki {{!}} Fandom|url=https://fallout.fandom.com/wiki/Special:Statistics|access-date=2025-03-22|website=fallout.fandom.com}}

| CC BY-SA

| Family History Research Wiki

| Genealogy research

| Reference information and research guidance. In 11 languages.

| style="text-align: right" | {{nts|82,857}}[https://familysearch.org/learn/wiki/en/Special:Statistics Statistics] {{webarchive|url=https://web.archive.org/web/20160307082237/https://familysearch.org/learn/wiki/en/Special:Statistics |date=March 7, 2016 }}. Family History Research Wiki. Retrieved March 8, 2016.

| 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.

| style="text-align: right" | {{nts|40,000,000|prefix=more than }} articles{{cite web |url=https://about.fandom.com/about |title=About Us |author= |website=Fandom |access-date=September 25, 2023}}

| CC BY-SA 3.0{{cite web |url=https://www.fandom.com/licensing |title=Licensing |author= |website=Fandom |access-date=September 25, 2023}}

| Fanlore

| Fandom

| Fandom and transformative works, with a focus on fannish history and activities. Powered by MediaWiki.

| style="text-align: right" | {{nts|60,753}}{{cite web |title=Statistics - Fanlore |url=https://fanlore.org/wiki/Special:Statistics |website=fanlore.org |access-date=January 3, 2023}}

|CC BY-NC 3.0 US{{Cite web|url=https://fanlore.org/wiki/Fanlore:Copyright|title=Fanlore:Copyright - Fanlore|website=fanlore.org|language=en|access-date=2018-11-16}}

| 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.

| style="text-align: right" | {{nts|11,159}}{{cite web |url=http://www.frikipedia.es |title=La Frikipedia |publisher=frikipedia.es |date=October 22, 2014 |access-date=October 22, 2014 |url-status=dead |archive-url=https://web.archive.org/web/20160102005518/http://www.frikipedia.es/ |archive-date=January 2, 2016 }}

| GFDL

| Fringepedia

| Fiction – Fringe, related 'fringe science' topics

| Powered by MediaWiki.

| style="text-align: right" | {{nts|6,759}}{{cite web |title=Statistics - Fringepedia FRINGE Wiki |url=http://www.fringepedia.net/wiki/Special:Statistics |website=Fringepedia |archive-url=https://web.archive.org/web/20161221021116/http://www.fringepedia.net/wiki/Special:Statistics |archive-date=December 21, 2016}}

| CC BY-NC-SA

| Gardenology.org

| Gardening

| Meant as a "complete plant and garden wiki encyclopedia"

| style="text-align: right" | {{nts|22,005}}{{Cite web|title=Statistics - Gardenology.org - Plant Encyclopedia and Gardening wiki|url=http://www.gardenology.org/wiki/Special:Statistics|access-date=2021-05-01|website=www.gardenology.org}}

| 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

| style="text-align: right" | {{Nts|3,227}}{{Cite web|title=Statistics - Glottopedia|url=http://www.glottopedia.org/index.php/Special:Statistics|access-date=28 January 2024|website=www.glottopedia.org}}

| 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.

| style="text-align: right" | {{nts|3867}}{{cite web |url=http://hitchwiki.org/en/Special:Statistics |title=Statistics |url-status=live |archive-url=https://web.archive.org/web/20180114183714/http://hitchwiki.org/en/Special:Statistics |archive-date=January 14, 2018}} in English and about 2,000 more in 16 different languages.{{cite web |url=http://hitchwiki.org/en/Main_Page |title=Main Page |url-status=live |archive-url=https://web.archive.org/web/20100613045122/http://hitchwiki.org/en/Main_Page |archive-date=June 13, 2010}}

| ICANNWiki

| Internet Governance

| Covers all aspects of ICANN and its policymaking, as well as Internet Governance in general.

| style="text-align: right" | {{nts|8700}}{{cite web|url=https://icannwiki.org/Special:Statistics |title=ICANNWiki Special:Statistics |publisher=icannwiki.org |access-date=January 31, 2025}}

| 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

| style="text-align: right" | {{nts|14800}}{{cite web|url=http://imslp.org/wiki/Special:Statistics |title=Statistics – IMSLP/Petrucci Music Library: Free Public Domain Sheet Music |publisher=Imslp.org |access-date=March 24, 2012}}

| GFDL

| Internet Movie Firearms Database (IMFDb)

| Firearm usage in Film, Television and Videogames

| Runs on MediaWiki

| style="text-align: right" | {{nts|27,723}}{{Cite web|title=Statistics - Internet Movie Firearms Database - Guns in Movies, TV and Video Games|url=http://www.imfdb.org/wiki/Special:Statistics|access-date=2021-05-01|website=www.imfdb.org}}

| 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

| style="text-align: right" |{{Nts|28,105}}{{Cite web|title=All Entries|url=https://knowyourmeme.com/memes/all|access-date=2021-05-12|website=Know Your Meme}}

| Lostpedia

| Fiction – Lost

| Articles about episodes, characters, themes, etc. in the television show.

| style="text-align: right" | {{nts|7,457}}{{Cite web|title=Lostpedia|url=https://lostpedia.fandom.com/wiki/Main_Page|access-date=2021-05-01|website=lostpedia.fandom.com|language=en}}

| CC BY-NC-ND

| LyricWiki

| Music – Lyrics

| Listing of lyrics by album

| style="text-align: right" | {{nts|1737000}}{{cite web |url=http://lyrics.wikia.com/Special:Statistics?action=raw |archive-url=https://archive.today/20120710072440/http://lyrics.wikia.com/Special:Statistics?action=raw |url-status=dead |archive-date=July 10, 2012 |title=Statistics - Lyric Wiki - song lyrics, music lyrics |publisher=Lyrics.wikia.com |date=May 10, 2012 |access-date=August 5, 2012 }}

| Mostly copyrighted. CC BY-SA for minority of content.

| MeatballWiki

| Communities – Online communities

| style="text-align: right" | {{nts|5,213}}{{Cite web|title=Meatball Wiki: Index of all pages|url=http://meatballwiki.org/wiki/action=index|access-date=2021-05-01|website=meatballwiki.org}}

| Copyrighted

| Memory Alpha

| Fiction – Star Trek

| Contains canon-only material

| style="text-align: right" | {{nts|58,548}}{{cite web |url={{fullurl:MemoryAlpha:Special:Statistics}} |title=Statistics |website=Memory Alpha |publisher=Fandom, Inc. |access-date=September 23, 2023}}

| CC BY-NC 4.0

| Metapedia

| Encyclopedia

| White nationalist and extreme right-wing online encyclopedia.

| style="text-align: right" | {{nts|7,896}}"Statistics". Metapedia. Retrieved 2023-09-23.

| Unknown

| MicroWiki

| Micronationalism

| Runs on MediaWiki.

| style="text-align: right" | {{nts|39,703}}{{cite web|url=https://micronations.wiki/wiki/Special:Statistics|title=Statistics|work=MicroWiki|access-date=28 February 2024}}

| CC BY-SA 4.0

|Monoskop

|Arts and humanities

|"Wiki for arts and studies" powered by MediaWiki

| MyWikiBiz

| Misc – Business directory

| Allows people and enterprises to write about themselves

| style="text-align: right" | {{nts|9,093}}

| GFDL and other{{cite web |url=http://www.mywikibiz.com/Help:Copyrights |title=Help:Copyrights – MyWikiBiz, Author Your Legacy |publisher=Mywikibiz.com |date=September 18, 2009 |access-date=March 24, 2012 |url-status=live |archive-url=https://web.archive.org/web/20120414081604/http://mywikibiz.com/Help:Copyrights |archive-date=April 14, 2012}}

| Namuwiki

| Encyclopedic/Korean

| style="text-align: right" | {{nts|602837}}

| 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.

| style="text-align: right" | {{nts|18,098}}{{Cite web|title=All pages in nLab|url=https://ncatlab.org/nlab/all_pages|access-date=21 April 2023|website=nLab}}

| 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

| style="text-align: right" | {{Nts|45,508}}{{Cite web|title=Statistics - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game|url=https://www.pcgamingwiki.com/wiki/Special:Statistics|access-date=2021-05-01|website=www.pcgamingwiki.com}}

| CC NC-SA 3.0

| PlanetMath

| Misc – Mathematics

| Free wiki-style mathematical encyclopedia

| Proteopedia

| Science – Chemistry

| A 3D encyclopedia of proteins and other molecules

| style="text-align: right" | {{Nts|191,915}}{{Cite web|title=Statistics - Proteopedia, life in 3D|url=https://proteopedia.org/wiki/index.php/Special:Statistics|access-date=2021-05-01|website=proteopedia.org}}

| Copyrighted

| RationalWiki

| Encyclopedic

| Information and articles are written from a liberal, skeptical{{Cite web|url=https://rationalwiki.org/wiki/RationalWiki:What_is_a_RationalWiki_article%3F#RationalWiki_is_not_neutral|title=RationalWiki|access-date=24 January 2019}} and secular point of view originally as a response to Conservapedia

| style="text-align: right" | {{nts|8,044}}{{Cite web|title=Statistics - RationalWiki|url=https://rationalwiki.org/wiki/Special:Statistics|access-date=2021-05-12|website=rationalwiki.org}}

| CC BY-SA 3.0

| Rangjung Yeshe Wiki

| Himalayan Buddhism, Tibetan Dictionary

| Tibetan-English Dictionary, Buddhist Glossaries, Biographies of Buddhist Teachers, and Resources

| style="text-align: right" | {{nts|23,721}}{{cite web|url=http://rywiki.tsadra.org/index.php/Special:Statistics|title=Statistics - Rangjung Yeshe Wiki - Dharma Dictionary|publisher=Tsadra Foundation|access-date=November 23, 2013|url-status=live|archive-url=https://web.archive.org/web/20131202234616/http://rywiki.tsadra.org/index.php/Special:Statistics|archive-date=December 2, 2013}}

| CC BY-NC-SA / GFDL

| Rosetta Code

| Computers — source code

| Powered by MediaWiki

| style="text-align: right" | {{nts|2,045}}{{Cite web|title=Statistics - Rosetta Code|url=http://rosettacode.org/wiki/Special:Statistics|access-date=2021-05-01|website=rosettacode.org}}

| GFDL 1.2

| Ruwiki

| Encyclopedic

| style="text-align: right" | {{nts|1,913,845}}{{cite web |url=https://ru.ruwiki.ru/wiki/Служебная:Статистика |title=Статистика |website=Рувики |access-date=2023-09-23 |language=ru |trans-title=Statistics |trans-website=Ruwiki}}

| CC BY-SA 4.0

| Scholarpedia

| Encyclopedic

| Written exclusively by professionals focusing on their field of expertise; subject to peer review

| style="text-align: right" | {{nts|1,812}}{{Cite web|title=Statistics - Scholarpedia|url=http://www.scholarpedia.org/article/Special:Statistics|access-date=2021-05-01|website=www.scholarpedia.org}}

| Copyrighted

| SCP Foundation

| Fiction — horror, science fiction, urban fantasy

| Fictional secret organization documented by the collaborative writing wiki project of the same name

| style="text-align: right" | {{nts|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.

| style="text-align: right" | {{nts|18200}}

| 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

| style="text-align: right" | {{nts|195,101}}{{cite web |url=http://www.snpedia.com/index.php/Special:Statistics |title=Statistics |publisher=SNPedia |access-date=April 21, 2016 |url-status=live |archive-url=https://web.archive.org/web/20160210024614/http://www.snpedia.com/index.php/Special:Statistics |archive-date=February 10, 2016}}

| CC BY-NC-SA 3.0

| Sogou Baike

| Encyclopedic / Simplified Chinese

| Simplified Chinese encyclopedia

| style="text-align: right" | {{nts|900,000}}

| Stadtwiki Karlsruhe

| Encyclopedic

| Multilingual city wiki for Karlsruhe

| style="text-align: right" | {{nts|21157}}{{cite web|url=http://ka.stadtwiki.net/Spezial:Statistik |title=Statistik – Stadtwiki Karlsruhe |language=de |publisher=Ka.stadtwiki.net |access-date=March 24, 2012}}

| CC BY-NC-SA

| Supernatural Wiki

| Fiction – Supernatural

| The wiki for the hit TV show Supernatural

| style="text-align: right" | {{Nts|4,224}}{{Cite web|title=Statistics - Super-wiki|url=http://www.supernaturalwiki.com/Special:Statistics|access-date=2021-05-01|website=www.supernaturalwiki.com}}

| TermWiki

| Words in different languages

| Social learning network built around terms and questions in 75 languages.

| style="text-align: right" | {{nts|1417806}}{{cite web |url=http://www.termwiki.com/TermWiki_Home |title=The Global Social Learning Network |publisher=TermWiki.com |date=December 8, 1959 |access-date=March 24, 2012 |url-status=live |archive-url=https://web.archive.org/web/20120423045813/http://www.termwiki.com/TermWiki_Home |archive-date=April 23, 2012}}

| Tolkien Gateway

| Fiction – J.R.R. Tolkien

| Encyclopedia dedicated to J.R.R. Tolkien's legendarium.

| style="text-align: right" | {{nts|12,866}}{{cite web |url=https://tolkiengateway.net/wiki/Special:Statistics |title=Statistics |publisher=Tolkien Gateway|access-date=2025-01-18}}

| CC BY-SA 4.0

| Travellerspoint

| Places – Travel

| Social networking site dedicated to sharing stories and recommendations about travel

| style="text-align: right" | {{nts|8,578}}{{cite web|url=https://www.travellerspoint.com/wiki_stats.cfm|title=Wiki Travel Guide Statistics |publisher=Travellerspoint |accessdate=March 28, 2022}}

| CC BY-SA 3.0

| TV Tropes

| Encyclopedic

| Focuses on documenting tropes in various media

| style="text-align: right"| {{nts|551,245}}{{cite web|url=https://tvtropes.org/pmwiki/page_type_counts.php|title=Page Type Counts - TV Tropes|access-date=March 28, 2022}}

| 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.{{cite web |url=http://www.gaystarnews.com/article/lgbt-wiki-is-necessary-for-the-preservation-of-our-history/#gs.3PEDXEc |author=Jack Flanagan |title=LGBT wiki is 'necessary' for the preservation of our history |date=December 5, 2015 |publisher=Gay Star News |access-date=December 6, 2015 |url-status=live |archive-url=https://web.archive.org/web/20151207234422/http://www.gaystarnews.com/article/lgbt-wiki-is-necessary-for-the-preservation-of-our-history/#gs.3PEDXEc |archive-date=December 7, 2015}} Runs on MediaWiki.

| style="text-align: right" | {{nts|4,654}}{{cite web|url=http://www.lgbtarchive.uk/wiki/Special:Statistics|title=UK LGBT Archive: Statistics|publisher=lgbtarchive.uk|access-date=May 31, 2016|url-status=live|archive-url=https://web.archive.org/web/20160306171655/http://www.lgbtarchive.uk/wiki/Special:Statistics|archive-date=March 6, 2016}}

| 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.

| style="text-align: right" | {{nts|37,749}}{{cite web |url=http://en.uncyclopedia.co/wiki/Special:Statistics |title=Statistics - Uncyclopedia, the content-free encyclopedia |publisher=Uncyclopedia |access-date=May 10, 2021}}

| 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)

|style="text-align: right" | {{nts|185,636}}{{Cite web|title=Statistik – Wien Geschichte Wiki|url=https://www.geschichtewiki.wien.gv.at/Spezial:Statistik|access-date=2021-05-01|website=www.geschichtewiki.wien.gv.at}}

| CC BY-NC-ND

| WikiAnswers

| General knowledge

| Compiles answers to questions posed

| style="text-align: right" | {{nts|11265000}}{{cite web |url=http://wiki.answers.com/ |title=The Q&A wiki |publisher=Wiki.answers.com |date=July 26, 1997 |access-date=March 24, 2012 |url-status=live |archive-url=https://web.archive.org/web/20120323024422/http://wiki.answers.com/ |archive-date=March 23, 2012}}

| Copyrighted

| WikiArt

| Art, paintings

| Project aims to create high-quality, complete and well-structured online repository of fine art.

| style="text-align: right" | {{nts|75,000}}{{Cite web|url =http://blog.wikipaintings.org/2012/06/75000-paintings.html|title =We have 75000 paintings!|access-date =January 19, 2015|url-status =dead|archive-url =https://web.archive.org/web/20150119062625/http://blog.wikipaintings.org/2012/06/75000-paintings.html|archive-date =January 19, 2015|df =mdy-all}}

| Public domain artworks

| Wikibooks

| General – textbooks

| Wikimedia project

| style="text-align: right" | {{nts|378,467}}{{cite web |url=http://meta.wikimedia.org/wiki/List_of_Wikibooks |title=Wikibooks/Table – Meta |publisher=Meta.wikimedia.org |date=March 9, 2012 |access-date=March 24, 2012 |url-status=live |archive-url=https://web.archive.org/web/20120325061249/http://meta.wikimedia.org/wiki/List_of_Wikibooks |archive-date=March 25, 2012}}

| CC BY-SA/other

| Wikidata

| Wikimedia project

| style="text-align: right" | {{nts|{{NUMBEROF|articles|wikidata|N}}}} items

| CC0 1.0, CC BY-SA 4.0

| WikiEducator

| Open educational resources

| Open educational resources which anyone may use, adapt, and share

| style="text-align: right" | {{nts|25,652}}{{Cite web|title=Statistics - WikiEducator|url=https://wikieducator.org/Special:Statistics|access-date=2021-05-01|website=wikieducator.org}}

| 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.

| style="text-align: right" | {{nts|4,704}}{{Cite web|title=Statistics - WikEM|url=https://wikem.org/wiki/Special:Statistics|access-date=2021-05-12|website=wikem.org}}

| CC BY-NC-ND 4.0

|Wikenigma

|Unsolved problems

|>1100

|CC BY-NC 4.0

| wikiHow

| How-to articles

| A wiki how-to manual

| style="text-align: right" | {{nts|166,386}}{{cite web |url=http://www.wikihow.com/Special:Statistics |archive-url=https://web.archive.org/web/20110718051637/http://www.wikihow.com/Special:Statistics |url-status=dead |archive-date=July 18, 2011 |title=Statistics |publisher=wikiHow |date=November 10, 2013 |access-date=November 10, 2013 }}

| CC BY-NC-SA 3.0

| WikiIslam

| Criticism of Islam

| style="text-align: right" | {{Nts|977}}{{Cite web|date=2021-05-01|title=Statistics|url=https://wikiislam.net/wiki/Special:Statistics|access-date=2021-05-01|website=WikiIslam|language=en}}

| CC BY-NC 3.0

| Wikimapia

| Places – Map

| Combines Google Maps with a wiki system for polygonally defined areas; currently supports 35 languages

| style="text-align: right" | {{nts|13,300,000}}

| CC BY-NC-SA{{cite web |url=http://wikimapia.org/terms_reference.html |title=Wikimapia.org |publisher=Wikimapia.org |date=May 24, 2012 |access-date=September 9, 2012 |url-status=live |archive-url=https://web.archive.org/web/20111229030111/http://wikimapia.org/terms_reference.html |archive-date=December 29, 2011}}

| Wikimedia Commons

| Misc – Electronic media

| Repository of free electronic media; a Wikimedia project

| style="text-align: right" | {{nts|{{NUMBEROF|files|commons.wikimedia|N}}}} files

| CC BY-SA and some other free licenses

| Wikinews

| General – News

| Collaborative news service, a Wikimedia project

| style="text-align: right" | {{nts|{{NUMBEROF|articles|totalactive.wikinews|N}}}} articles

| CC BY

| Wikipedia

| Encyclopedic

| Multilingual Wikimedia project that uses MediaWiki

| style="text-align: right" | {{nts|{{NUMBEROF|articles|totalactive.wikipedia|N}}}} 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

| style="text-align: right" | {{nts|{{NUMBEROF|articles|totalactive.wikiquote|N}}}} 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.{{Cite web|url =http://fa.wikishia.net/view/%D9%88%DB%8C%DA%98%D9%87:%D8%A2%D9%85%D8%A7%D8%B1|title =آمار ویکی شیعه|date =April 28, 2015|access-date =April 28, 2015|website =ویکی شیعه|language =fa|url-status =live|archive-url =https://web.archive.org/web/20150514152253/http://fa.wikishia.net/view/%D9%88%DB%8C%DA%98%D9%87:%D8%A2%D9%85%D8%A7%D8%B1|archive-date =May 14, 2015|df =mdy-all}}

| style="text-align: right" |{{nts|4,443}}{{Cite web|title=Statistics - WikiShia|url=https://en.wikishia.net/view/Special:Statistics|access-date=2021-05-01|website=en.wikishia.net}} in English

| Unknown

| Wikisource

| Reference – Primary sources

| Digital library of free content textual sources; a Wikimedia project

| style="text-align: right" | {{nts|{{NUMBEROF|articles|totalactive.wikisource|N}}}} articles

| CC BY-SA

| Wikispecies

| Science – Biology

| Directory of species; a Wikimedia project

| style="text-align: right" | {{nts|{{NUMBEROF|articles|species.wikimedia|N}}}} 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

| style="text-align: right" | {{nts|62345}}{{cite web |url=http://wikitravel.org/shared/Multilingual_statistics |title=Multilingual statistics – Wikitravel Shared |publisher=Wikitravel.org |access-date=July 9, 2012 |url-status=live |archive-url=https://web.archive.org/web/20120920003911/http://wikitravel.org/shared/Multilingual_statistics |archive-date=September 20, 2012}}

| CC BY-SA 3.0

| WikiTree

| Genealogy

| Free global family tree using MediaWiki software, but unconnected to the Wikimedia Foundation.

| style="text-align: right" | {{nts|11148296}}{{cite web |url=http://wikitree.com |title=WikiTree: The Free Family Tree |publisher=WikiTree |date=April 18, 2016 |access-date=April 18, 2016 |url-status=dead |archive-url=https://web.archive.org/web/20160416110554/http://www.wikitree.com/ |archive-date=April 16, 2016 }}

| Unknown{{cite web |url=http://www.wikitree.com/wiki/WikiTree_FAQ#Is_the_worldwide_family_tree_public_domain.3F |title=Is the worldwide family tree public domain? |publisher=WikiTree |date=March 25, 2016 |access-date=April 18, 2016 |url-status=live |archive-url=https://web.archive.org/web/20160421122331/http://www.wikitree.com/wiki/WikiTree_FAQ#Is_the_worldwide_family_tree_public_domain.3F |archive-date=April 21, 2016}}

| 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.

| style="text-align: right" | {{nts|{{NUMBEROF|articles|totalactive.wikivoyage|N}}}} articles

| CC BY-SA 3.0

| WikiWikiWeb

| Computer programming, specifically design patterns

| World's oldest wiki (began circa 1995)

| style="text-align: right" | {{nts|34997}}{{cite web | url = http://meta.wikimedia.org/w/index.php?title=List_of_largest_wikis | title = List of largest wikis | publisher = Wikimedia Foundation | access-date = March 21, 2010 | date = March 1, 2010 }}

| GPL

| Wiktionary

| Multilingual dictionary

| Online dictionary; a Wikimedia project

| style="text-align: right" | {{nts|{{NUMBEROF|articles|totalactive.wiktionary|N}}}} articles

| CC BY-SA 3.0

| Wookieepedia

| Fiction – Star Wars

| Science fiction encyclopedia

| style="text-align: right" | {{nts|210,338}}{{cite web |url=https://starwars.fandom.com/wiki/Special:Statistics |title=Statistics |website=Wookieepedia |publisher=Fandom, Inc. |access-date=2025-05-26}}

| CC BY-SA 3.0

100

| Wowpedia / WoWWiki

| Gaming – Warcraft

| Contains in-universe material

| style="text-align: right" | {{nts|168466}}{{cite web |url=http://wow.gamepedia.com/Special:Statistics |title=Statistics – Wowpedia – Your wiki guide to the World of Warcraft |publisher=Wowpedia |date=March 11, 2018 |access-date=March 11, 2018 |url-status=live |archive-url=https://web.archive.org/web/20170608034735/http://wow.gamepedia.com/Special:Statistics |archive-date=June 8, 2017}} (Wowpedia); {{nts|105351}}{{cite web |url=http://www.wowwiki.com/Special:Statistics |title=Statistics – WoWWiki – Your guide to the World of Warcraft |publisher=WoWWiki |date=March 11, 2018 |access-date=March 11, 2018 |url-status=live |archive-url=https://web.archive.org/web/20150131120528/http://www.wowwiki.com/Special:Statistics |archive-date=January 31, 2015}} (WoWWiki)

| CC BY-SA 3.0

References

External links

[https://www.lifewire.com/wiki-list-by-category-3486723 A List of Wiki Sites by Category] on Lifewire
List of largest wikis on Wikimedia Meta
List of multilingual MediaWiki sites on MediaWiki

*List

Wikis

Category:Wiki communities

list of wikis#Science and technology

Table

See also

References

External links