| Name |
Focus |
Notes |
Articles[1] |
License |
| Wikipedia |
Encyclopedic |
Umbrella, multilingual MediaWiki project |
&0000000014000000.00000014,000,000 |
CC-BY-SA |
| Hudong (互动在线) |
Encyclopedic |
Largest Chinese wiki. Social Networking features. Chinese language only |
&0000000003920000.0000003,920,000[2] |
Copyrighted |
| English Wikipedia |
Encyclopedic |
Public access, most prominent English wiki |
3,225,047[3] |
CC-BY-SA |
| Citizendium |
Encyclopedic |
Requires real names; guided by expert input while allowing edits from the general public |
&0000000000010800.00000010,800[4] |
CC-by-sa 3.0 |
| Scholarpedia |
Encyclopedic |
Written exclusively by professionals focusing on their field of expertise; subject to peer review |
&0000000000001619.0000001,619[5] |
Copyrighted |
| Knol |
Encyclopedic |
A wiki-like technology from Google |
&0000000000100000.000000100,000[6] |
CC-by 3.0 |
| Wikibooks |
General—textbooks |
A wikimedia project |
&0000000000115200.000000115,200[7] |
GFDL + other |
| NotePub |
General purpose |
An online notepad that allows for both public and private content. |
|
|
| Wikiversity |
General—Self-directed learning |
Supports free learning communities, projects, materials, and learners; a wikimedia project |
|
GFDL + other |
| wikiHow |
General instruction |
A how-to manual |
&0000000000066000.00000066,000[8] |
CC-by-nc-sa 2.5 |
| WikiAnswers |
General knowledge |
Compiles answers to questions posed |
&0000000003625500.0000003,625,500[9] |
Copyrighted |
| Everything2 |
Personal essays |
A wiki-like project for essays |
&0000000000273900.000000273,900[10] |
Copyrighted |
| MeatballWiki |
Communities—Online communities |
|
&0000000000004900.0000004,900[11] |
Copyrighted |
| Wikitruth |
Social—Criticism of Wikipedia |
|
&0000000000000200.000000200[12] |
GFDL |
| Conservapedia |
Encyclopedia |
Information and articles are written from a Conservative Christian viewpoint aimed at correcting their alleged liberal bias of Wikipedia. |
&0000000000033100.00000033,100[13] |
Copyrighted (free use) |
| Encyclopedia Dramatica |
Satire of Internet memes |
A satirical wiki |
&0000000000007400.0000007,400[14] |
Fair use |
| Uncyclopedia |
Satire—Parody |
A satirical encyclopedia dedicated to parody |
&0000000000134000.000000134,000[15] |
CC-by-nc-sa 2.0 |
| Wikiquote |
Reference—Quotations |
A quote repository, a wikimedia project |
&0000000000090200.00000090,200[16] |
GFDL |
| Wikisource |
Reference—Primary sources |
Dedicated to use on Wikipedia; a wikimedia project |
&0000000000586400.000000586,400[17] |
GFDL |
| Wikimedia Commons |
Misc—Electronic media |
A repository of free electronic media; a wikimedia project |
|
CC-SA and other |
| Biographicon |
Misc—Biographies of people |
A directory of personal profiles |
|
GFDL |
| BMEzine Encyclopedia |
Encyclopedia |
An encyclopedia of body modification and body art |
&0000000000001665.0000001,665[18] |
GFDL |
| MyWikiBiz |
Misc—Business directory |
Allows people and enterprises to write about themselves |
|
|
| International Music Score Library Project |
Music |
A wiki library of public domain musical scores |
&0000000000014800.00000014,800[19] |
GFDL |
| LyricWiki |
Music—Lyrics |
A listing of lyrics by album |
&0000000001147000.0000001,147,000[20] |
CC-BY-SA |
| Whole Wheat Radio |
Music—Indie music |
An online community radio station featuring independent music |
|
|
| Memory Alpha |
Fiction—Star Trek |
Contains canon-only material |
&0000000000031000.00000031,000[21] |
CC-NC 2.5 |
| WoWWiki |
Gaming—Warcraft |
Contains in-universe material |
&0000000000080000.00000080,000[22] |
CC-BY-SA 3.0 |
| Wookieepedia |
Fiction—Star Wars |
Science fiction encyclopedia |
&0000000000074000.00000074,000[23] |
GFDL |
| MuseWiki |
Music—Muse |
Muse related information, biographies of the band and its members, full discography, lyrics, tour schedules and reports, news, tabulatures. |
&0000000000009300.0000009,300 |
|
| A Million Penguins |
Fiction—collaboratively-written novel |
|
&0000000000000491.000000491[24] |
Copyrighted |
| Galaxiki |
Fictional galaxy |
Dedicated to the creation of a fictional galaxy |
|
|
| Lostpedia |
Fiction—Lost |
|
&0000000000006197.0000006,197 [25] |
| WikiWikiWeb |
Computer programming, specifically design patterns |
World's oldest wiki (began circa 1995) |
&0000000000033886.00000033,886[26] |
GPL |
| Javapedia |
Computers—Java |
An online encyclopedia for developing Java |
|
|
| SWiK |
Computers—Open source software |
|
|
|
| GeoNames |
Places |
A geographical database that links specific names with unique features |
|
|
| City wiki |
Places |
An umbrella term for a variety of wikis dedicated to cities or other geographic regions |
|
|
| The Student Room |
Place—UK University and student life |
Offers UK university guides, revision notes, examples of university personal statements and information on student life and university courses |
|
|
| DavisWiki |
Place—Davis, California |
A city wiki dedicated solely to Davis; at one point the largest city wiki |
&0000000000013000.00000013,000[27] |
CC-by 3.0 |
| Dickipedia - A Wiki of Dicks |
Satire—Parody |
an encyclopedia of satirical biographies "about people who are dicks" |
|
|
| WikiPilipinas |
Place—The Philippines |
A combined non-academic encyclopedia, web portal, directory and almanac for Philippine-based knowledge |
|
|
| Travellerspoint |
Places—Travel |
A social networking site dedicated to sharing stories and recommendations about travel |
&0000000000002400.0000002,400[28] |
CC-SA 3.0 |
| OpenStreetMap |
Places—Maps |
Uses GPS, aerial photography and other free sources of images to create a map of the world |
|
CC-SA 2.0 |
| WikiMapia |
Places—On-line map |
Combines Google Maps with a wiki system; currently supports 35 languages |
|
|
| Wikitravel |
Places—Travel |
A travel guide using wikimedia's software, but otherwise unconnected to the Wikimedia Foundation. 20 supported languages |
&0000000000048000.00000048,000[29] |
CC-SA 1.0 |
| World66 |
Places—Travel |
A formerly Dutch company now owned by Internet Brands |
&0000000000046100.00000046,100[30] |
CC-SA 1.0 |
| Baidu Baike |
Encyclopedic/Chinese |
A Chinese encyclopedia |
&0000000001956114.0000001,956,114[31] |
Copyrighted |
| Enciclopedia Libre Universal en Español |
Encyclopedic/Spanish |
A Spanish language fork of Wikipedia |
|
GFDL |
| Vikidia |
Encyclopedic/Spanish and French |
A Spanish and French language encyclopedia for children ages 8–13 |
|
GFDL |
| Susning.nu |
Encyclopedic/Swedish |
A Swedish language encyclopedia, which competes with Swedish Wikipedia |
&0000000000063400.00000063,400[32] |
Copyrighted |
| Wikinews |
General—News |
Collaborative news service, a wikimedia project |
|
GFDL and other |
| GCPEDIA |
Government |
Internal Government of Canada Wiki |
|
|
| ZineWiki |
Social—Independent media |
A zine encyclopedia |
|
|
| WikiCandidate |
Fictional presidential campaign |
A virtual campaign for a fictional U.S. presidential candidate. A project of Cornell University. |
|
|
| Congresspedia |
Government—United States Congress |
A separately branded sub-section of SourceWatch |
|
GFDL |
| Diplopedia |
Government—Diplomacy |
Encyclopedia of the U.S. Department of State collecting items related to international relations and diplomacy |
|
|
| Jurispedia |
Government—Law |
A multi-lingual academic encyclopedia, including Arabic, Chinese, English, French, German and Spanish |
|
CC-NC |
| SourceWatch |
Social—Propaganda |
Formerly Disinfopedia, discusses propaganda and includes organizations that seek to influence public opinion |
|
GFDL |
| Wikileaks |
Social—Whistleblowers |
Allows people to leak documents anonymously |
|
- |
| Intellipedia |
Government—Intelligence |
Three non-accessible wikis running on networks that link the U.S. intelligence community |
|
|
| WikiTimeScale |
General—Human history |
An interactive timeline of history |
|
GFDL |
| OpenWetWare |
Science—Biology |
Promotes sharing and dissemination of knowledge related to biological research |
|
CC-SA |
| Wikispecies |
Science—Biology |
A directory of species; wikimedia project |
|
GFDL... |
| BOWiki |
Science—Gene function |
An ontology curation framework and gene function editor |
|
GFDL |
| SNPedia |
Science—Biology |
A database of research and information about single-nucleotide polymorphisms, including medical consequences for people who have DNA info about themselves |
&0000000000003500.0000003,500[33] |
CC-by-nc-sa 3.0 |
| Psychology wiki |
Science—Psychology |
Promotes sharing and dissemination of knowledge related to psychological research |
|
|
| Sensei's Library |
Misc—Go (game) |
|
&0000000000018200.00000018,200 |
OPL |
| PlanetMath |
Misc—Mathematics |
Free wiki-style mathematical encyclopedia |
|
GFDL |
| ATWiki |
Misc—Assistive technology |
Also addresses disabilities related to assistive technology |
|
|
| ShopWiki |
Misc—Products |
A shopping wiki and product comparison search engine featuring buying guides and shopping resources |
|
|
| RitchieWiki |
Reference—Construction Equipment |
An equipment wiki geared for the construction industry. Includes equipment specifications. Also available in French and Spanish. |
|
|
| Foodista.com |
Reference—Food and Cooking |
A Creative Commons structured wiki about foods, recipes, and other culinary information. |
|
CC-BY |
| Appropedia |
English, Francaise, Deutsch, Espagnol |
Sustainable development including Appropriate technology merging with several other wikis |
&0000000000002900.0000002,900[34] |
CC-BY-SA 3.0 |
| Ekopedia |
Multilingual—Encyclopedic |
Environmental sustainability merging with Appropedia. |
|
CC-SA 3.0 |
| Heroes Wiki |
Fiction—Heroes |
|
|
CC-NC-ND |
| Medpedia |
Encyclopedic Medical/health |
Requires real names; guided by medical expert input while allowing edits from the general public |
|
GFDL |
| Catawiki |
Catalogues |
Dutch language only. Collectors specific for comics, coins, stamps, trading cards, board games, model cars, model trains, bank notes, books, watches, Disney memoriablia, clocks en other. |
&0000000000200000.000000200,000 |
|
| Collegewikis |
Information exchange among college students |
|
|
|
| Armeniapedia |
Encyclopedic |
Wiki encyclopedia about anything related to Armenia or Armenians |
&0000000000005624.0000005,624[35] |
CC-BY-SA |
| Uninotes.org |
University course notes |
|
|
|
| AboutUs.org |
Internet directory |
Initially pre-populated with information about many different websites. Uses MediaWiki software, but now largely with Ruby on Rails |
&0000000017611146.00000017,611,146 |
GFDL and CC-BY-SA |
| SKYbrary |
Aviation safety information |
|
|
|
| OzBargain Wiki |
Social—Finding Bargains |
Aims to create a comprehensive guide for all shoppers in Australia |
|
CC-BY-SA |