| Name |
Focus |
Notes |
| Wikipedia |
Encyclopedic |
Public access, most prominent English wiki |
| Citizendium |
Encyclopedic |
Requires real names; guided by expert input while allowing edits from the general public |
| Scholarpedia |
Encyclopedic |
Written exclusively by professionals focusing on their field of expertise; subject to peer review |
| Knol |
Encyclopedic |
A wiki-like technology from Google |
| Wikibooks |
General - textbooks |
A wikimedia project |
| Wikiversity |
General - Self-directed learning |
Supports free learning communities, projects, materials, and learners; a wikimedia project |
| wikiHow |
General instruction |
A how-to manual |
| WikiAnswers |
General knowledge |
Compiles answers to questions posed |
| Everything2 |
Personal essays |
A wiki-like project for essays |
| MeatballWiki |
Communities - Online communities |
|
| Wikia |
Communities - Wiki farm |
Formerly Wikicities, hosts wikis for online communities |
| Bliki |
Personal - Blogs |
A blog system organized as a wiki that includes SnipSnap |
| Wikitruth |
Social - Criticism of Wikipedia |
| Conservapedia |
Encyclopedic |
Information and articles are written from a Conservative Christian viewpoint aimed at correcting the perceived liberal bias of Wikipedia |
| Encyclopedia Dramatica |
Satire of Internet memes |
A satirical wiki |
| Uncyclopedia |
Satire - Parody |
A satirical encyclopedia dedicated to parody |
| Wiktionary |
Reference - Definitions |
A multilingual dictionary; wikimedia project |
| Wikiquote |
Reference - Quotations |
A quote repository, a wikimedia project |
| Wikisource |
Reference - Primary sources |
Dedicated to use on Wikipedia; a wikimedia project |
| Wikimedia Commons |
Misc - Electronic media |
A repository of free electronic media; a wikimedia project |
| Biographicon |
Misc - Biographies of people |
A directory of personal profiles |
| International Music Score Library Project |
Music |
A wiki library of public domain musical scores |
| LyricWiki |
Music - Lyrics |
A listing of lyrics by album |
| Whole Wheat Radio |
Music - Indie music |
An online community radio station featuring independent music |
| Memory Alpha |
Fiction - Star Trek |
Contains canon-only material |
| Wookieepedia |
Fiction - Star Wars |
Science fiction encyclopedia |
| A Million Penguins |
Fiction - collaboratively-written novel |
|
| Galaxiki |
Fictional galaxy |
Dedicated to the creation of a fictional galaxy |
| Lostpedia |
Fiction - Lost |
| Sensei's Library |
Misc - Go (game) |
| WikiWikiWeb |
Computer programming, specifically design patterns |
World's oldest wiki (began circa 1995) |
| Javapedia |
Computers - Java |
An online encyclopedia for developing Java |
| SWiK |
Computers - Open source software |
|
| PhpWiki |
Computers - PHP software |
| TWiki |
Computers/Wiki projects |
A community wiki about wikis in general, and to develop, document, package and support the TWiki enterprise collaboration platform |
| 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 |
| Galbijim Wiki |
Place - South Korea |
Written by, and for an audience of South Korean expatriates |
| 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 |
| OpenStreetMap |
Places - Maps |
Uses GPS, aerial photography and other free sources of images to create a map of the world |
| WikiMapia |
Places - On-line map |
Combines Google Maps with a wiki system; currently supports 35 languages |
| Wikitravel |
Places - Travel |
A travel guide; unconnected to the Wikimedia Foundation |
| World66 |
Places - Travel |
A formerly Dutch company now owned by Internet Brands |
| Baidu Baike |
Encyclopedic/Chinese |
A Chinese encyclopedia |
| WikiZnanie |
Encyclopedic/Russian |
A Russian language encyclopedia released under the FreeBSD Documentation License |
| Enciclopedia Libre Universal en Español |
Encyclopedic/Spanish |
A Spanish language fork of Wikipedia |
| Vikidia |
Encyclopedic/Spanish and French |
A Spanish and French language encyclopedia for children ages 8-13 |
| Susning.nu |
Encyclopedic/Swedish |
A Swedish language encyclopedia, which competes with Swedish Wikipedia |
| Wikinews |
General - News |
Collaborative news service, a wikimedia project |
| 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 Univeristy. |
| Congresspedia |
Government - United States Congress |
A separately branded sub-section of SourceWatch |
| 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 |
| SourceWatch |
Social - Propaganda |
Formerly Disinfopedia, discusses propaganda and includes organizations that seek to influence public opinion |
| 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 |
| OpenWetWare |
Science - Biology |
Promotes sharing and dissemination of knowledge related to biological research |
| Wikispecies |
Science - Biology |
A directory of species; wikimedia project |
| BOWiki |
Science - Gene function |
An ontology curation framework and gene function editor |
| PlanetMath |
Misc - Mathematics |
Free wiki-style mathematical encyclopedia |
| ATWiki |
Misc - Assistive technology |
Also addresses disabilities related to assistive technology |
| MyWikiBiz |
Misc - Business directory |
Allows people and enterprises to write about themselves |
| 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. |