List of wikis
This article contains a list of notable wikis, which are websites that use wiki software.
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 | GFDL and CC BY-SA 3.0 | |
| Appropedia | Poverty reduction, international development | CC BY-SA 4.0 | ||
| Astro-Databank | Encyclopedic | Astrological wiki project, with birth details for notable people of the world. | ||
| Baidu Baike | Encyclopedic / Simplified Chinese | |||
| Baike.com | Encyclopedic / Simplified Chinese | |||
| Ballotpedia | Encyclopedic | Information regarding United States elections | ||
| 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. | ||
| Base de datos | Encyclopedic/Spanish | Spanish language encyclopedia, with own wiki software. | 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. | 200000 | |
| Citizendium | Encyclopedic | Now defunct project by Larry Sanger | 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. | Copyrighted | |
| 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. | ||
| Choral Public Domain Library | Music | Wiki library of free typeset musical scores | Public domain, CPDL License, CC licenses, Copyrighted | |
| DavisWiki | Place – Davis, California | City wiki dedicated solely to Davis; at one point the largest city wiki | 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 | CC BY-NC-SA. | |
| Enciclopedia Libre Universal en Español | Encyclopedic/Spanish | Now defunct Spanish language fork of Wikipedia | CC BY-SA 3.0 | |
| Encyclopedia of Mathematics | Mathematics | MediaWiki using MathJax extension | CC BY-SA 3.0 | |
| Encyclopedia Dramatica | Parody of Internet memes | Parody-themed wiki | 14972 | Fair use |
| Everipedia | Encyclopedic | CC BY-SA 4.0 | ||
| Fallout Wiki | Fiction/Gaming – Fallout series | Wiki about the Fallout video game series. Ongoing merger with "Nukapedia" and "The Vault". | CC BY-SA | |
| Family History Research Wiki | Genealogy research | Reference information and research guidance. In 11 languages. | 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. | articles | CC BY-SA 3.0 |
| Fanlore | Fandom | Fandom and transformative works, with a focus on fannish history and activities. Powered by MediaWiki. | CC BY-NC 3.0 US | |
| 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. | GFDL | |
| Fringepedia | Fiction – Fringe, related 'fringe science' topics | Powered by MediaWiki. | CC BY-NC-SA | |
| Gardenology.org | Gardening | Meant as a "complete plant and garden wiki encyclopedia" | 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 | ||
| 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. | 3867 in English and about 2,000 more in 16 different languages. | |
| ICANNWiki | Internet Governance | Covers all aspects of ICANN and its policymaking, as well as Internet Governance in general. | 8700 | |
| ICE List | ||||
| 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 | 14800 | GFDL |
| Internet Movie Firearms Database | Firearm usage in Film, Television and Videogames | Runs on MediaWiki | ||
| JurisPedia | Government – Law | Multi-lingual academic encyclopedia, including Arabic, Chinese, English, French, German and Spanish | CC BY-NC | |
| Know Your Meme | Fiction – website and video series | |||
| Lostpedia | Fiction – Lost | Articles about episodes, characters, themes, etc. in the television show. | CC BY-NC-ND | |
| LyricWiki | Music – Lyrics | Listing of lyrics by album | 1737000 | Mostly copyrighted. CC BY-SA for minority of content. |
| MeatballWiki | Communities – Online communities | Copyrighted | ||
| Memory Alpha | Fiction – Star Trek | Contains canon-only material | CC BY-NC 4.0 | |
| Metapedia | Encyclopedia | White nationalist and extreme right-wing online encyclopedia. | Unknown | |
| MicroWiki | Micronationalism | Runs on MediaWiki. | 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 | GFDL and other | |
| Namuwiki | Encyclopedic/Korean | 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. | 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 | CC NC-SA 3.0 | |
| PlanetMath | Misc – Mathematics | Free wiki-style mathematical encyclopedia | ||
| Proteopedia | Science – Chemistry | A 3D encyclopedia of proteins and other molecules | Copyrighted | |
| RationalWiki | Encyclopedic | Information and articles are written from a liberal, skeptical and secular point of view originally as a response to Conservapedia | CC BY-SA 3.0 | |
| Rangjung Yeshe Wiki | Himalayan Buddhism, Tibetan Dictionary | Tibetan-English Dictionary, Buddhist Glossaries, Biographies of Buddhist Teachers, and Resources | CC BY-NC-SA / GFDL | |
| Rosetta Code | Computers — source code | Powered by MediaWiki | GFDL 1.2 | |
| Ruwiki | Encyclopedic | Wikipedia fork created to follow government narratives in 2023 | CC BY-SA 4.0 | |
| Scholarpedia | Encyclopedic | Written exclusively by professionals focusing on their field of expertise; subject to peer review | Copyrighted | |
| SCP Foundation | Fiction — horror, science fiction, urban fantasy | Fictional secret organization documented by the collaborative writing wiki project of the same name | CC BY-SA 3.0 | |
| Sensei's Library | Misc – Go | WikiWiki Web site running on GoWiki, a custom wiki based on PhpWiki. | 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 | CC BY-NC-SA 3.0 | |
| Sogou Baike | Encyclopedic / Simplified Chinese | |||
| Stadtwiki Karlsruhe | Encyclopedic | Multilingual city wiki for Karlsruhe | 21157 | CC BY-NC-SA |
| Supernatural Wiki | Fiction – Supernatural | The wiki for the hit TV show Supernatural | ||
| TermWiki | Words in different languages | Social learning network built around terms and questions in 75 languages. | 1417806 | |
| Tolkien Gateway | Fiction – J.R.R. Tolkien | Encyclopedia dedicated to J.R.R. Tolkien's legendarium. | CC BY-SA 4.0 | |
| Travellerspoint | Places – Travel | Social networking site dedicated to sharing stories and recommendations about travel | CC BY-SA 3.0 | |
| TV Tropes | Encyclopedic | Focuses on documenting tropes in various media | CC BY-NC-SA | |
| UK LGBT Archive | LGBT history, United Kingdom | Building towards a comprehensive history of LGBT life in the United Kingdom. Previously the LGBT History Project. Runs on MediaWiki. | 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. | 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, organisations, events and other items | CC BY-NC-ND | |
| WikiAnswers | General knowledge | Compiles answers to questions posed | 11265000 | Copyrighted |
| WikiArt | Art, paintings | Project aims to create high-quality, complete and well-structured online repository of fine art. | Public domain artworks | |
| Wikibooks | General – textbooks | Wikimedia project | CC BY-SA/other | |
| Wikidata | Wikimedia project | items | CC0 1.0, CC BY-SA 4.0 | |
| WikiEducator | Open educational resources | Open educational resources which anyone may use, adapt, and share | 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. | CC BY-NC-ND 4.0 | |
| Wikenigma | Unsolved problems | >1100 | CC BY-NC 4.0 | |
| wikiHow | How-to articles | A wiki how-to manual | CC BY-NC-SA 3.0 | |
| WikiIslam | Criticism of Islam | CC BY-NC 3.0 | ||
| Wikimapia | Places – Map | Combines Google Maps with a wiki system for polygonally defined areas; currently supports 35 languages | CC BY-NC-SA | |
| Wikimedia Commons | Misc – Electronic media | Repository of free electronic media; a Wikimedia project | files | CC BY-SA and some other free licenses |
| Wikinews | General – News | Collaborative news service, a Wikimedia project | articles | CC BY |
| Wikipedia | Encyclopedic | Multilingual Wikimedia project that uses MediaWiki | articles | CC BY-SA 3.0 for text. Files have various licenses. Dual license under GFDL and CC BY-SA 3.0 for text. GFDL for text. |
| Wikiquote | Reference – Quotations | Quote repository; a Wikimedia project | 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. | in English | Unknown |
| Wikisource | Reference – Primary sources | Digital library of free content textual sources; a Wikimedia project | articles | CC BY-SA |
| Wikispecies | Science – Biology | Directory of species; a Wikimedia project | articles | GFDL and CC BY-SA |
| Wikitravel | Places – Travel | Travel guide using Wikimedia's software, but unconnected to the Wikimedia Foundation. 20 supported languages | 62345 | CC BY-SA 3.0 |
| WikiTree | Genealogy | Free global family tree using MediaWiki software, but unconnected to the Wikimedia Foundation. | 11148296 | Unknown |
| 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. | articles | CC BY-SA 3.0 |
| WikiWikiWeb | Computer programming, specifically design patterns | World's oldest wiki | 34997 | GPL |
| Wiktionary | Multilingual dictionary | Online dictionary; a Wikimedia project | articles | CC BY-SA 3.0 |
| Wookieepedia | Fiction – Star Wars | Science fiction encyclopedia | CC BY-SA 3.0 | |
| Wowpedia / WoWWiki | Gaming – Warcraft | Contains in-universe material | 168466 ; 105351 | CC BY-SA 3.0 |