Name |
Focus |
Notes |
Articles |
License |
A Million Penguins |
Fiction—collaboratively-written novel |
|
&10000000000000491000000491[1] |
Copyrighted |
AboutUs.org |
Internet directory |
Initially pre-populated with information about many different websites. Uses MediaWiki software, but now largely with Ruby on Rails |
&1000000001761114600000017,611,146 |
GFDL and CC-BY-SA |
Appropedia |
English, French, German, Spanish |
Sustainable development, including appropriate technology merging with several other wikis |
&100000000000041840000004,184[2] |
CC-BY-SA 3.0 |
Baidu Baike |
Encyclopedic/Chinese |
A Chinese encyclopedia |
&100000000028781230000002,878,123[3] |
Copyrighted |
Ballotpedia |
Informative |
An interactive almanac of state politics. |
&10000000000192927000000192,927[4] |
GFDL |
Biographicon |
Misc—Biographies of people |
A directory of personal profiles |
|
Unknown |
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 memoriablia, clocks and other. |
&10000000000200000000000200,000 |
|
Citizendium |
Encyclopedic |
Requires real names; guided by expert input while allowing edits from the general public |
&1000000000001530800000015,308[5] |
CC-by-sa 3.0 |
CoalSwarm |
Anti-coal information clearinghouse |
Joint project of SourceWatch and Center for Media and Democracy |
&100000000000040000000004,000[6] |
|
Congresspedia |
Government—United States Congress |
A separately branded sub-section of SourceWatch, since moved to OpenCongress |
|
CC-BY-SA 3.0 |
Conservapedia |
Encyclopedia |
Information and articles are written from a conservative Christian viewpoint aimed at correcting the alleged liberal bias of Wikipedia. |
&1000000000003310000000033,100[7] |
Copyrighted (free use) |
DavisWiki |
Place—Davis, California |
A city wiki dedicated solely to Davis; at one point the largest city wiki |
&1000000000001559300000015,593[3] |
CC-by 3.0 |
Diplopedia |
Government—Diplomacy |
Encyclopedia of the U.S. Department of State collecting items related to international relations and diplomacy |
|
|
EcuRed |
A Cuban perspective on global issues, in Spanish |
Run by Cuba's Youth Computer Club, an affiliate of the Communist Youth Union |
&1000000000001948200000019,482 |
Compatible with the copyleft license Creative Commons Attribution-ShareAlike 3.0 Unported[8] |
Ekopedia |
Multilingual—Encyclopedic |
Environmental sustainability merging with Appropedia. |
|
CC-BY-SA 3.0 |
Enciclopedia Libre Universal en Español |
Encyclopedic/Spanish |
A Spanish language fork of Wikipedia |
&1000000000004728100000047,281[9] |
CC-BY-SA 3.0 |
Encyclopedia Dramatica |
Satire of Internet memes |
A satirical wiki |
&100000000000074000000007,400[10] |
Fair use |
English Wikipedia |
Encyclopedic |
Public access, most prominent English wiki |
&100000000038892370000003,889,237[11] |
CC-BY-SA |
Everything2 |
Personal essays |
A wiki-like project for essays |
&10000000000273900000000273,900[12] |
Copyrighted |
Foodista.com |
Reference—Food and Cooking |
A Creative Commons structured wiki about foods, recipes, and other culinary information. |
|
CC-BY |
Fringepedia |
Fiction—Fringe |
|
|
|
Galaxiki |
Fictional galaxy |
Dedicated to the creation of a fictional galaxy |
|
GFDL[13] |
GCPEDIA |
Government |
Internal Government of Canada Wiki |
|
|
GeoNames |
Places |
A geographical database that links specific names with unique features |
|
|
Geo-wiki |
Global land cover maps |
The Geo-Wiki Project is to help improve the quality of global land cover maps. |
|
|
Heroes Wiki |
Fiction—Heroes |
|
|
CC-NC-ND |
Hudong (互动百科) |
Encyclopedic |
Largest Chinese wiki. Social Networking features. Chinese language only |
&100000000039200000000003,920,000[14] |
Copyrighted |
Intellipedia |
Government—Intelligence |
Three non-accessible wikis running on networks that link the U.S. intelligence community |
|
|
International Music Score Library Project |
Music |
A wiki library of public domain musical scores |
&1000000000001480000000014,800[15] |
GFDL |
Javapedia |
Computers—Java |
An online encyclopedia for developing Java |
&10000000000000790000000790[16] |
Creative Commons |
Judgepedia |
Informative |
An interactive encyclopedia of courts and judges. |
&10000000000131112000000131,112[17] |
GFDL |
JurisPedia |
Government—Law |
A multi-lingual academic encyclopedia, including Arabic, Chinese, English, French, German and Spanish |
|
CC-NC |
Knol |
General purpose |
A wiki-like technology from Google |
&10000000000100000000000100,000[18] |
CC-by 3.0 |
Lostpedia |
Fiction—Lost |
Articles about episodes, characters, themes, etc. in the television show. |
&100000000000072480000007,248[19] |
CC BY-NC-ND |
LyricWiki |
Music—Lyrics |
A listing of lyrics by album |
&100000000011470000000001,147,000[20] |
Mostly copyrighted. CC-BY-SA for minority of content. |
Medpedia |
Encyclopedic Medical/health |
Requires real names; guided by medical expert input while allowing edits from the general public |
|
CC-BY-SA |
Men of War - Wiki |
Free encyclopedia about Men of War |
Information about the series, missions and units |
1,675 |
CC BY-SA |
MeatballWiki |
Communities—Online communities |
|
&100000000000049000000004,900[21] |
Copyrighted |
Memory Alpha |
Fiction—Star Trek |
Contains canon-only material |
&1000000000003314100000033,141[22] |
CC-NC 2.5 |
MetaBase |
database of biological databases |
1000 biological databases and over 800 'web services', more than 50 'user-contributed' databases |
&100000000000018000000001,800 |
BioLicense and MetaBase:Copyrights |
Metapedia |
Encyclopedia |
A white nationalist and extreme right-wing online encyclopedia. |
&1000000000008752100000087,521[22] (Hungarian Language version) |
unknown |
MyWikiBiz |
Misc—Business directory |
Allows people and enterprises to write about themselves |
&1000000000001147500000011,475[23] |
GFDL and other[24] |
NotePub |
General purpose |
An online notepad that allows for both public and private content. |
|
|
OpenStreetMap |
Places—Maps |
Uses GPS, aerial photography and other free sources of images to create a map of the world |
|
CC-BY-SA 2.0 |
OpenWetWare |
Science—Biology |
Promotes sharing and dissemination of knowledge related to biological research |
|
CC-BY-SA |
PlanetMath |
Misc—Mathematics |
Free wiki-style mathematical encyclopedia |
|
|
Pornopedia |
Sexuality |
Multilingual encyclopedia about pornography and sexuality[25] |
&1000000000001544700000015,447[26]
(German version) |
Copyrighted |
Quora |
General Knowledge |
A question-and-answer (Q&A) site, similar to Yahoo Answers. |
|
Revocable no-derivatives license[27] |
riscos.info |
Computers — RISC OS |
Hosts C programming resources and projects |
&10000000000000197000000197[28] |
cc-by 2.5 |
Scholarpedia |
Encyclopedic |
Written exclusively by professionals focusing on their field of expertise; subject to peer review |
&100000000000016190000001,619[29] |
Copyrighted |
Sensei's Library |
Misc—Go (game) |
|
&1000000000001820000000018,200 |
OPL |
ShopWiki |
Misc—Products |
A shopping wiki and product comparison search engine featuring buying guides and shopping resources |
|
|
SKYbrary |
Aviation safety information |
|
|
|
SNPedia |
Science—Biology |
A database of research and information about single-nucleotide polymorphisms, including medical consequences for people who have DNA info about themselves |
&100000000000035000000003,500[30] |
CC-by-nc-sa 3.0 |
SourceWatch |
Social—Propaganda |
Formerly Disinfopedia, discusses propaganda and includes organizations that seek to influence public opinion |
|
GFDL |
Stadtwiki Karlsruhe |
Encyclopedic |
Multilingual city wiki for Karlsruhe |
&1000000000002115700000021,157[31] |
CC-BY-NC-SA |
Susning.nu |
Encyclopedic/Swedish |
A Swedish language encyclopedia, which competes with Swedish Wikipedia |
|
Copyrighted |
SWiK |
Computers—Open source software |
|
|
|
TermWiki |
Words in different languages |
A social learning network built around terms and questions in 75 languages. |
&100000000014178060000001,417,806[32] |
|
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 |
|
|
Travellerspoint |
Places—Travel |
A social networking site dedicated to sharing stories and recommendations about travel |
&100000000000024000000002,400[33] |
CC-BY-SA 3.0 |
TV Tropes |
Encyclopedic |
Focuses on documenting tropes in various media |
|
CC-BY-SA 3.0 |
Uncyclopedia |
Satire—Parody |
A satirical encyclopedia dedicated to parody |
&10000000000134000000000134,000[34] |
CC-by-nc-sa 2.0 |
Vikidia |
Encyclopedic/Spanish and French |
A Spanish and French language encyclopedia for children ages 8–13 |
|
GFDL/CC-BY-SA |
Wikia |
A hosting service for wikis: Wiki farm |
Focus on entertainment and gaming wikis. |
&100000000097224800000009,722,480[35] |
|
WikiAnswers |
General knowledge |
Compiles answers to questions posed |
&1000000001126500000000011,265,000[36] |
Copyrighted |
Wikibooks |
General—textbooks |
A wikimedia project |
&10000000000115200000000115,200[37] |
CC-BY-SA/other |
WikiCandidate |
Fictional presidential campaign |
A virtual campaign for a fictional U.S. presidential candidate. A project of Cornell University. |
|
|
Wikicollecting |
Encyclopedia |
A free to join community to create an up-to-date and reliable guide to the world of collecting, covering all areas from action figures to wine. |
&100000000000020000000002,000 |
Creative Commons Attribution-ShareAlike 3.0 |
WikiEducator |
Open educational resources |
Open educational resources which anyone may use, adapt, and share |
&10000000000110872000000110,872[38] |
CC-BY-SA, and CC-BY |
wikiHow |
General instruction |
A how-to manual |
&10000000000133000000000133,000[39] |
CC-by-nc-sa 2.5 |
WikiMapia |
Places—On-line map |
Combines Google Maps with a wiki system for polygonally defined areas; currently supports 35 languages |
&1000000001330000000000013,300,000 |
CC by-nc-sa[40] |
Wikimedia Commons |
Misc—Electronic media |
A repository of free electronic media; a wikimedia project |
|
CC-BY-SA and other |
Wikinews |
General—News |
Collaborative news service, a wikimedia project |
|
CC-BY |
Wikipedia |
Encyclopedic |
Multilingual MediaWiki project |
&1000000001800000000000018,000,000 |
CC-BY-SA |
Wikiquote |
Reference—Quotations |
A quote repository, a wikimedia project |
&1000000000009020000000090,200[41] |
CC-BY-SA |
Wikisource |
Reference—Primary sources |
Dedicated to use on Wikipedia; a wikimedia project |
&10000000000586400000000586,400[42] |
CC-BY-SA |
Wikispecies |
Science—Biology |
A directory of species; wikimedia project |
&10000000000248844000000248,844 |
GFDL/CC-BY-SA |
Wikitravel |
Places—Travel |
A travel guide using wikimedia's software, but otherwise unconnected to the Wikimedia Foundation. 20 supported languages |
&1000000000004800000000048,000[43] |
CC-BY-SA 1.0 |
Wikiversity |
General—Self-directed learning |
Supports free learning communities, projects, materials, and learners; a wikimedia project |
|
CC-BY-SA 3.0 |
WikiWikiWeb |
Computer programming, specifically design patterns |
World's oldest wiki (began circa 1995) |
&1000000000003499700000034,997[3] |
GPL |
Wiktionary |
Multilingual dictionary |
|
|
|
Whole Wheat Radio |
Music—Indie music |
An online community radio station featuring independent music |
|
|
Wookieepedia |
Fiction—Star Wars |
Science fiction encyclopedia |
&1000000000008521500000085,215[44] |
CC-BY-SA |
WoWWiki |
Gaming—Warcraft |
Contains in-universe material; migrated to Wowpedia in 2010 |
&1000000000009542600000095,426[45] (WoWWiki); &10000000000100143000000100,143[46] (Wowpedia) |
CC-BY-SA 3.0 |
ZineWiki |
Social—Independent media |
A zine encyclopedia |
|
|