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{{SitesUsingMediaWikiMultiLingual|Other languages|edit}}
{{SitesUsingMediaWikiMultiLingual|Other languages|edit}}
{{Purge}}<br>
This is a list of projects that are using [[MW:|MediaWiki]], the wiki engine running Wikipedia and other [[Wikimedia:|Wikimedia]] projects.


'''An organised collection of web sites using the MediaWiki software is now maintained at http://www.mediawiki.org/wiki/Sites_using_MediaWiki.'''
{{cleanup}}
==Introduction==
This list is going to be reorganized by size and by topic. All entries below the horizontal line are reamining to be categorized. The list is to be sorted in decreasing order of conservative article count.

Please spend your efforts for transforming and moving the entries from the lower section into this new list.

What follows are simplified instructions for the cleaning up of links on this page:
#Open a new browser window/tab for editing the page.
#In the editing window/tab, duplicate one of the entries in the cleaned list.
#In this new copy, change the wiki name and address in the third section.
#Open a new window/tab from the original window to the wiki in question.
#Copy the link to Special:Version into the duplicated entry.
#Copy the version number into the duplicated entry.
#Copy the address to Special:Statistics into the entry and add ?action=raw to the end of it.
#Copy the statistical information over. Take the lower article count (good=).
#Sort the finished entry into the clean list, with the wiki with the greatest number of edits at the top.
#Remove the messy entry from the lower list and delete it.
#Rinse and repeat, remembering to save the page every twenty edits.

The following mediawikis already have been summed up in separate lists and are not to be included in here once again:

#http://www.editthis.info/list.html
#http://www.wikia.com/wiki/Template:List_of_Wikia
#[[Table of Wikimedia Projects by Size]]

This is the new list of external Mediawiki sites according to a unified format:

#[http://www.acadine.org/w/Special:Version '''Version 1.4.2'''] [http://www.acadine.org/w/Special:Statistics?action=raw '''Articles: 4235'''] [http://www.acadine.org/w/ '''Acadine Wiki''']
#[http://s23.org/wiki/Special:Version '''Version 1.5.8'''] [http://s23.org/wiki/Special:Statistics?action=raw '''Articles: 2979'''] [http://s23.org/ '''S23 Wiki''']
#[http://www.otterstedt.de/wiki/index.php/Special:Version '''Version 1.5.5'''] [http://www.otterstedt.de/wiki/index.php/Special:Statistics?action=raw '''Articles: 378'''] [http://www.otterstedt.de/wiki/ '''Amateur Telescope Wiki''']
#[http://meredith.wolfwater.com/wiki/index.php?title=Special:Version '''Version 1.4.0'''] [http://meredith.wolfwater.com/wiki/index.php?title=Special:Statistics&action=raw '''Articles: 176'''] [http://meredith.wolfwater.com/wiki/ '''ALA Chicago 2005 Wiki''']
#[http://www.abapedia.org/wiki/Special:Version '''Version 1.5.6'''] [http://www.abapedia.org/wiki/Special:Statistics?action=raw '''Articles: 139'''] [http://http://www.abapedia.org/ '''Abapedia Wiki''']
#[http://wiki.alairelibre.net/wiki/Special:Version '''Version 1.4.0'''] [http://wiki.alairelibre.net/wiki/Special:Statistics?action=raw '''Articles: 60'''] [http://wiki.alairelibre.net/ '''Al Aire Libre Wiki''']
#[http://www.kessin.com/XAB/Special:Version '''Version 1.6.1'''] [http://www.kessin.com/XAB/Special:Statistics?action=raw '''Articles: 58'''] [http://www.kessin.com/XAB/ '''Ajax/XAB Wiki''']
#[http://www.alder-digital.de/wiki/index.php/Special:Version '''Version 1.5 RC4'''] [http://www.alder-digital.de/wiki/index.php/Special:Statistics?action=raw '''Articles: 15'''] [http://www.alder-digital.de/wiki/ '''Alder Digital Wiki''']
#[http://www.abandonwiki.org/mwiki/index.php/Special:Version '''Version 1.5.7'''] [http://www.abandonwiki.org/mwiki/index.php/Special:Statistics?action=raw '''Articles: 2'''] [http://www.abandonwiki.org/ '''AbandonWiki''']

==List by Topics==
This is the new list of sites, by topics:

===Arts===
; Bonus Stage Wiki ( http://www.bswiki.com ) : The most complete compendium of information about the Internet cartoon, Bonus Stage
; Contraintes.net ([http://www.contraintes.net www.contraintes.net]) : est un site francophone dédié au contraintes artistiques volontaires : littérature, cinéma, BD… [http://www.contraintes.net Contraintes.net]is a site dedicate to volontary artistic constraints: literature, cinema, comics... (French).
====Literature====
; Book of Wonders ([http://bookofwonders.info/]) : an encyclopaedia of science fiction and fantasy ideas
====Music====
; BuzzWiki ([http://buzzwiki.wipe-records.org/]) : A public wiki for the free Buzz music tracker.
; ChoralWiki ([http://www.cpdl.org/]) : Home of the Choral Public Domain Library, a collaborative free sheet music site for choral musicians.
====Television====
; Battlestar Wiki (http://www.battlestarwiki.org/) : a wiki and Lurker's style episode guide for [[Wikipedia:Battlestar_Galactica|Battlestar Galactica]]
=====Anime=====
; Aniki [[:w:Aniki]] ([http://www.aniki.info www.aniki.info]) : a German wiki about [[:w:Anime]] and [[:w:Manga]]
; Bulbapedia ( [http://bulbapedia.bulbagarden.net/] ) : English-language wiki about Pokémon.
; CemZoo Wiki ([http://wiki.cemzoo.com http://wiki.cemzoo.com ]) : An spanish anime and games wiki
===Biography===
===Geography===
; BushWiki ([http://bushwiki.org/ bushwiki.org]) : Dedicated to the peaceful, sustainable, recreational use of the Australian and New Zealand bush.
; Chaku Wiki ([http://wiki.chakuriki.net/en/index.php/Main_Page http://wiki.chakuriki.net/en/]) : A spoof geography site
====Countries====
; Armeniapedia [http://www.armeniapedia.org www.armeniapedia.org] : All things related to Armenia and Armenians.
=====Brazil=====
; BrasilienWiki ( http://rio.ifi.unizh.ch/brasilienwiki/index.php/Hauptseite ) : German language wiki about everything concerning Brazil.
=====Canada=====
; Calgary Wiki (http://calgary.wikia.com/index.php/Main_Page) : A wiki for the residents and visitors of the city of Calgary, Alberta.
; CatamaranQuebec.org ( http://www.catamaranquebec.org ) : A french speaking community of catamarans sailors in the province of Québec.
=====China=====
; China Wiki ([http://www.chinawiki.net www.chinawiki.net]) : A chinese wiki resource list
; Cnic.org([http://www.cnic.org ????]):Chinese Network Information Cyclopedia.
=====Italy=====
; Ceglie Plurale ([http://www.ceglieplurale.it www.ceglieplurale.it]) : News about Ceglie Messapica BR Italy
=====Spain=====
; Arija wiki [[:w:Arija]] : an encyclopedia about the town of '''Arija''' (Burgos, Spain), with a Photographic File about '''Cristalería Española''' glass factory - 1906 (Saint Gobain Glass Group), and the ''Dam of the Ebro river''
:* [http://www.arija.org/es/ www.arija.org/es/] Spanish version (best)
:* [http://www.arija.org/en/ www.arija.org/en/] English version
:* [http://www.arija.org/fr/ www.arija.org/fr/] French version
; bcn wiki ( http://bcn.krass.com/ ) : wiki with stuff about Barcelona.
; CatWiki ( http://www.eurion.net/catwiki ) : A wiki about Catalonia; it's history, places, people, songs...
=====United States=====
; Bay Area Night Game (http://www.bayareanightgame.com) : wiki for the Bay Area puzzle game that happens at night while navigating parks and urban areas
; Carlisle County Networks ( http://www.ccky.net/wiki ) : A test site for the [[BabyWikipedia]] concept for the residents of [[w:Carlisle County, Kentucky]] - USA.
===History===
; Cunnan [[:w:Cunnan]] : dedicated to the collection of information relevant to people interested in [[:w:medieval]] re-enactment, especially members of the [[:w:Society for Creative Anachronism]]: http://cunnan.sca.org.au
===Mathematics===
===Science===
; BioCybernetics Wiki ([http://www.biological-cybernetics.de www.biological-cybernetics.de]) : A scientific wiki on biological cybernetics and systems biology.
; BioWeka's Wiki ([http://wiki.bioweka.org/ wiki.bioweka.org]) : A wiki about [http://www.bioweka.org/ BioWeka] - a [http://www.cs.waikato.ac.nz/~ml/weka/ Weka]-based framework for knowledge discovery and analyis in biology
; BorderWiki ( http://www.border-wikipedia.de ) German language wiki about Border Collies with pedigree database
; Cloud Forest Institute, ([http://www.cloudforest.org]) : An institute for the study of sustainability featuring the practical work being done in Ecuador and Northern California. In English and some Spanish.
; Colliseum ([http://www.colliseum.de www.colliseum.de]): forensic road accident reconstruction, contents of the monthly magazine 'Verkehrsunfall und Fahrzeugtechnik'(German)
; Cosmopedia [[:w:Cosmopedia]] : a resource and encyclopedia about anything related to physical science: ([http://www.cosmowiki.org website])
====Astronomy====
; AstroWiki ([http://www.astrowiki.org www.astrowiki.org])
: Amateur astronomy and telescope making.
===Society===
; Anarchopedia ([http://www.anarchopedia.org www.anarchopedia.org]) : Anarchist GFDL corpus access provider.
; AngelusFacts FraudNet Wiki ([http://www.rolandmthomas.com www.rolandmthomas.com]) : an anti-fraud wiki for victims of serious economic crime in St. Kitts, West Indies.
; Anthropik Cyclopaedia ([http://wiki.anthropik.com wiki.anthropik.com]): a compendium of ethnographic and philosophical articles, as well as how-to articles on primitive skills.
; AnthroWiki ([http://wiki.anthroposophie.net wiki.anthroposophie.net]) : a German wiki about [[:w:Anthroposophy|Anthroposophy]] and [[:w:Waldorf_Education|Waldorf Education]].
; AppleBride ([http://www.applebride.com www.applebride.com]) : an online wedding encyclopedia wiki. Dedicated to bridal advice, frugal tips, and high-tech weddings.
; Apuntes ([http://www.wikiapuntes.org www.wikiapuntes.org]) : a Spanish wiki community to make and share notes of class.
; Armeniapedia [http://www.armeniapedia.org www.armeniapedia.org] : All things related to Armenia and Armenians.
; AspieNetWiki ([http://aspie.mela.de/Wiki/ http://aspie.mela.de/Wiki/]) : (mostly) german Wiki from people with [[Wikipedia:Asperger_Syndrome|Asperger Syndrome]] for people with [[Wikipedia:Asperger_Syndrome|Asperger Syndrome]]... and anybody else.
; Bicycling Wiki ([http://www.bicyclingwiki.com]) : A bicycling wiki started by [http://www.jimcarson.com Jim Carson] supporting (though not exclusively) the cyclists in the Pacific Northwest.
; Blogalization Nation [[:w:Blogalization Nation]] ([http://www.blogalization.nu/nation/ www.blogalization.nu/nation/]) : a collaborative translation project and multilingual publishing forum
; BonsaiWiki ( http://bonsaiwiki.tomk32.de/ ) : German language wiki about bonsai trees, by Wikipedian [[User:TomK32|TomK32]]:
; Casper Amateur Radio Club ( http://casperarc.net ) : Amateur (ham) radio club in Casper, WY
; Celebrities ([http://www.wikicelebrities.com WikiCelebrities]) : Celebrity Wiki
; ChangeKatesLife ([http://www.changekateslife.com www.changekateslife.com]) : A social encylopedia of users' lives
; chicks101 ([http://www.chicks101.com www.chicks101.com]) : the place to learn about women.
; Coming in 2006 ([http://comingin2006.com/Wiki/ Products, Events Technologies Coming in 2006]): A listing of everything coming in 2006.
; Conwiki ([http://www.conwiki.com www.conwiki.com]): A wiki to hold conspiracy theories, pseudoscience, and other topics that are heavily disputed and edited out of wikipedia.
; Crewscut.com ([http://www.crewscut.com www.crewscut.com]) : Webportal (in danish) for cultural players, dedicated to presenting cultural and media projects, networks and knowhow
====Business====
; Clondyke ([http://www.clondyke.co.uk www.clondyke.co.uk]): Gold, Money, Economics
; CorpKnowPedia [[:w:CorpKnowPedia]] : dedicated to charting the [[:w:Corporation|corporate landscape]]
====Careers====
; ApiWiki ([http://www.apiwiki.be www.apiwiki.be]) : beekeeping wiki
====Education====
=====Colleges=====
; Case Wiki ( http://wiki.case.edu/ ) : A general purpose wiki for [[w:Case Western Reserve University|Case Western Reserve University]]
; Chelsea2005 ([http://www.chelsea2005.com chelsea2005.com]) : A space for ideas, images and collaborative projects from students at Chelsea College of Art and Design.
; ClemsonWiki, ([http://www.clemsonwiki.com ClemsonWiki.com]): A Wiki about Clemson University
====Politics====
; [[http://www.baseverde.it/wiki Baseverde.it]]: An online political participation portal.
====Religion====
; Bible Wiki ([http://bible.tmtm.com/ bible.tmtm.com]) : an open Bible dictionary / commentary
; Carbondale's Interfaith Center (http://CarbondaleInterfaith.org): A wiki for the Interfaith Center of Carbondale, Illinois, a not-for-profit community center.
; Compass ([http://theconnexion.net/compass/ ]): An encyclopedia of the Christian faith.
====Sports====
; CanoePolo.org ([http://www.canoepolo.org/ http://www.canoepolo.org/]): A wiki the sport of canoe polo. Contains information of competitions, teams, country, rules and everything related.
; CanyonWiki ([[CanyonWiki:Main Page|CanyonWiki.com]]): A wiki devoted to canyoneering information. Contains safety instruction, and specific technical information about canyons.
; CaptainWiki ([[http://captainwiki.com CaptainWiki.com]]): The ultimate online sailing, boating, cruising guide and resource. Create a free travel blog or position report and enjoy others Tips Tricks and Travel information.
; CatamaranQuebec.org ( http://www.catamaranquebec.org ) : A french speaking community of catamarans sailors in the province of Québec.
; CleanJocks, ([http://www.cleanjocks.com/ www.cleanjocks.com/]) : a collaborative project to build a reference site for information on performance enhancing drugs in sports.
===Technology===
; breakset ( http://breakset.com/ ) : Sustainable Technologist Jason Michael Smithson's research <b>&middot;</b> reviews <b>&middot;</b> technology <b>&middot;</b> training <b>&middot;</b> projects and consulting
; Bunk's Imagery Wiki ([http://andysocial.com/wiki andysocial.com/wiki]) : is a source for amateur imagery and GIS enthusiasts.
; CPFWiki ([http://cpfwiki.com]): a wiki about flashlights
; CSDN&DonewsWiki ([http://wiki.csdn.net/wiki/%E9%A6%96%E9%A1%B5 wiki.csdn.net/wiki/??]) : A Chinese public wiki for IT encyclopedia and technical articles.
====Computing====
; Asian Open Source Centre [[:w:Asian Open Source Centre]] ([http://www.asiaosc.org/enwiki/ www.asiaosc.org/enwiki/]) : aims to be an information and collaboration hub for [[:w:open source software]] in [[:w:Asia]]: http://www.asiaosc.org/enwiki/
; Axaptapedia ([http://www.axaptapedia.com www.axaptapedia.com]) : a wiki dedicated to Microsoft Axapta programming tips
; BlitzMax Wiki ([http://www.blitzwiki.org/ blitzwiki.org]) : A wiki to document the features of [http://www.blitzmax.com/ BlitzMax] and provide tutorials for users of the language.
; docs.javatech.info([http://docs.javatech.info]) : Russian language documentation portal for Java developers
; [http://wiki.csharp-online.net C# Online.NET] ([http://wiki.csharp-online.net CSharp-Online.NET]) : Comprehensive .NET and C# Language Reference with articles, code samples, and tutorials.
; CastleCopsWiki ( http://wiki.castlecops.com ) : a [http://castlecops.com CastleCops] service dedicated to the capture, retention, and collaborative updating of important information relating to computer security
; Certifição PHP ([http://www.certificacaophp.com.br/wiki/ www.certificacaophp.com.br/wiki/]) : A Zend PHP Certification guide in Brazilian Portuguese
; Computer Harpoon [http://mediawiki.advancedgaming.biz Computer Harpoon documentation] : Site is used to collect, organize, and update all manuals and FAQ's for the Computer Harpoon products as collected over 15 years
; Consumerium [[:w:Consumerium]] is a project : developed under [[GFDL]] licence, to develop [[:w:free software]] and [[:w:infrastructure|information infrastructure]] for storage, transport and display of product information to consumers and [[:w:feedback]] to the producers to enhance the consumer experience, advance product development and to keep this planet as hospitable as possible in the future: http://www.consumerium.org/wiki/wiki.phtml
; Crazy Hacks ([http://www.crazy-hacks.org/wiki/ www.crazy-hacks.org/wiki/]) : A database of crazy software- and hardware-projects of geeks all around the world.
; CTM Wiki ([http://www.codepoetics.com/wiki www.codepoetics.com]) : A wiki for people interested in the book [http://www.info.ucl.ac.be/~pvr/ Concepts, Techniques, and Models of Computer Programming], by Peter van Roy and Seif Haridi.
=====Linux=====
; Appeal ([http://appeal.kde.org appeal.kde.org]) : "a living experiment in progressive development and organizational concepts as applied to the KDE project" (heavily customized skin)
; Cdlinux.pl wiki ([http://wiki.cdlinux.pl Cdlwiki]) : Public Wiki for users of Polish GNU/Linux distro [http://www.cdlinux.pl Cdlinux.pl]
; ChennaiLUG ([http://www.chennailug.org/wiki www.chennailug.org/wiki]) : Chennai Linux Users Group
; ConchShell([http://mark.foster.cc/wiki/]): Technical information about open-source, Linux, *BSD, and system administration. Includes recipes, guides and tips.
=====Macintosh=====
; BeszeljukMac Wiki ( http://www.beszeljukmac.com/mediawiki/ ) : The Hungarian Macintosh Wiki for Mac users (in Hungarian)
====Gaming====
; CheatsWiki ([http://www.cheatswiki.com cheatswiki.com]) : The wiki repository for video game cheats, hints, easter eggs, glitches, and walkthroughs.
====Internet====
; Alturo-Forum ([http://alturoforum.gsfnet.de alturoforum.gsfnet.de]) : German independent support forum for webmasters and root servers for alturo.de clients
; Analytics Guide Wiki ([http://www.analyticsguide.com/articles www.analyticsguide.com/articles]) : Guide to Google Analytics and AWStats.
; BCZ.com Directory ( http://dir.bcz.com/ ) : An Online Directory using wiki concept. Add url, submit link to this list. An open directory focus on simplicity of addition of websites. Adding 500 new sites daily.
; Beagle Wiki ( http://www.beaglewiki.org/ ) : a wiki about the Beagle search tool
=====Wikis=====
; BluWiki.org ([http://www.bluwiki.org/ bluWiki Web Publishing]) : a wiki dedicated to providing free wiki web publishing for private/public use. Similar to Wikia, but very relaxed content standards. Uses the familar [[MediaWiki]] software.
End of the part that has been started to be cleaned up
; Creative Commons wiki ([http://wiki.creativecommons.org/ wiki.creativecommons.org]) : a [[:w:Creative Commons]] wiki
<HR>

Begin of the part that still needs to be cleaned up.

== Wikimedia projects ==

For an exhaustive list of Wikimedia wikis, see the [[Special:SiteMatrix|site matrix]].

* '''[[en:Wikipedia|Wikipedia]]'''; http://www.wikipedia.org
* '''[[en:Wikinews|Wikinews]]'''; http://www.wikinews.org
* '''[[en:Wikibooks|Wikibooks]]'''; http://www.wikibooks.org
* '''[[en:Wikiquote|Wikiquote]]'''; http://www.wikiquote.org
* '''[[en:Wikisource|Wikisource]]'''; http://www.wikisource.org
* '''[[wikispecies:Main Page|Wikispecies]]'''; http://www.wikispecies.org
* '''[[commons:Main Page|The Wikimedia Commons]]'''; http://commons.wikimedia.org
* '''[[Main Page|Meta-Wiki]]'''; http://meta.wikimedia.org
* '''Wikisophia'''; http://www.wikisophia.org
* '''Sept. 11th Memorial Wiki'''; http://sep11.wikipedia.org
* '''MediaWiki web site'''; http://www.mediawiki.org
* '''Test Wikipedia'''; http://test.wikipedia.org
* '''FiverAlpha test wiki'''; http://test.leuksman.com

==Wikimedia project forks==
# [[en:Wikinfo|Wikinfo]] (formerly Internet-Encyclopedia), [[User:Fred Bauder|Fred Bauder]]'s fork of Wikipedia, aims to offer articles from multiple points of view as opposed to Wikipedia's [[en:Wikipedia:neutral point of view|neutral point of view]]: http://www.internet-encyclopedia.org . Wikinfo uses [[:w:GetWiki]]- a fork of [[MediaWiki]] software.
# [[en:Enciclopedia Libre|Enciclopedia Libre]], http://enciclopedia.us.es/ : an independent encyclopedia project founded by former participants of the Spanish Wikipedia.
# [[en:Wikiznanie|Wikiznanie]], http://www.wikiznanie.ru/ : Russian-language general knowledgebase (encyclopedia), uses BSD DPL.
# Pedagopédia, http://www.pedagogia.com/pedagopedia : Enciclopédia de conhecimento geral em português do Brasil. (General knowledge encyclopedia in Brazilian Portuguese)

== Public wikis ==

===A===
; AllWiki ([http://www.allwiki.com 天下维客]) : A Simplified-Chinese site, focused on building site on wiki, wiki applications, wikipedia news, etc. 中文wiki专题站点
; Andria [[:w:Andria]] ([http://www.freearchive.org/wiki www.freearchive.org/wiki]) : a free long-term archive project for free digital content
; Audiocrush Podcast Wiki ([http://audiocrush.us/wiki/index.php?title=Main_Page www.audiocrush.us/wiki/index.php?title=Main_Page]) : A wiki based around the Audiocrush.us Podcast and their episodes

===B===
; BCZ.com Wiki ( http://wiki.bcz.com/ ) : An experimental online wiki for anything at all. Their main site features free pixel advertising listing.
; Beblio Wiki ( http://www.beblio.com/ ) : Beblio The World Wiki. Connecting people and places.
; BeirdoMythFAQ ([http://mythtv.beirdo.ca/wiki/ mythtv.beirdo.ca/wiki/])
: a FAQ wiki for the #mythtv-users IRC channel on irc.freenode.net
; BioPerl's Wiki ([http://bioperl.org/wiki/Main_Page http://bioperl.org/wiki]) : BioPerl's documentation site.
; Blasius ([http://www.ringofdoom.be/wiki Ring of Doom]) : The Ring of Doom knowledgebase and background as an ongoing wiki project.
; Blitzed Wiki ([http://wiki.blitzed.org wiki.blitzed.org]) : a place for all [http://www.blitzed.org Blitzed users] to express their ideas and collaboratively develop them
; brkst ( http://brkst.com/ ) : breakset resources and knowledge for sustainable thought
===C===
; C-Arbre [[:w:C-Arbre]] wiki ([http://c-arbre.net/mwiki c-arbre.net/mwiki]) : companion wiki for a [[:w:content management system]] that reuses code from MediaWiki for compatibility
; C64-Wiki ([http://www.c64-wiki.de http://www.c64-wiki.de]) : A (german) wiki devoted to the C64. Apparently the first C64-Wiki ever.
; CadaverExquisito ( http://cinewiki.hurd.usla.org.ar/ ) : Un sitio dedicado a la creacion cinematrogáfica colaborativa.
; Care2x ([http://docs.care2x.org docs.care2x.org]) : documentation base for an open-sourced integrated healthcare information system project
; Cinewiki ([http://www.eutanasiaalosbakalas.org/eutanasia/cinewiki/]) : Cine wiki, todas esas curiosidades de cine que nunca te dijeron.
; Cronicas Pachecas ([http://www.cronicaspachecas.com www.cronicaspachecas.com]) : Blog (in spanish), with really funny posts, photos and videos.
; Crux (http://www.cruxzine.co.uk) : Revolutionary thinking. Come and add your own articles.

===D===
; [http://coding.cwhnetworks.com/ CWH Coding Wiki] : A programming languages Wiki with a few code snipplets. Started January 2006.
; Dan Olsen's Research Wiki ([http://www.dan-olsen.org/research www.dan-olsen.org/research]) : A wiki containing information based on Dan Olsen's research.
; DAR wiki ( [http://distributedresearch.net/wiki distributedresearch.net/wiki]) : A wiki about Distributed Action Research - action research with online communities of practice (including wikis)
; DharmaWeb.org ([http://www.dharmaweb.org DharmaWeb.org]) : is an online portal for Buddhist community, providing news, practical advice, practice resources and directory
; DBWiki [[:w:DBWiki]] : a German language wiki for database developers: http://www.dbwiki.de
; DC Animated Universe Wiki ([http://dcanimated.wikia.com/wiki/ dcanimated.wikia.com]) : an Encyclopedia of information set within the world of the DC Animated cartoons done from the early 1990s till today.
; DC Database Project ([http://www.dcdatabaseproject.com www.dcdatabaseproject.com]) : The largest reference library about ([http://www.dccomics.com DC Comics]) on the net.
; Dead Pubs Society ([http://www.dead-pubs-society.org.uk/ www.dead-pubs-society.org.uk]) : a record of the closing of pubs in London and elsewhere in the UK.
; Dead Cafe Society ([http://www.dead-cafe-society.org.uk/ www.dead-cafe-society.org.uk]) : a record of the change in society in the landscape of urban UK...
; Degupedia ([http://www.degupedia.de/wiki www.degupedia.de/wiki]) : a German wiki about [[:w:Degu]]s
; Deiludum ([http://www.deiludum.net www.deiludum.net]) : A Wiki-RPG, based upon the idea of editing a wiki being analogous to gods making changes to the world.
; DelphiGL.com ([http://wiki.delphigl.com wiki.delphigl.com]) : a German language wiki for OpenGL and 3D programming
; demosoftware.net [[:w:Demosoftware.net]] ([http://www.demosoftware.net www.demosoftware.net]) : demosoftware.net showcases [http://www.gnu.org/licenses/licenses.html#WhatIsCopyleft free] [http://en.wikibooks.org/wiki/Web_Software web software] developer demos. [http://www.gnu.org/copyleft/fdl.html Free] Code Boards, Doc Boards, Bounty Boards, Job Boards and more for each [http://www.gnu.org/licenses/licenses.html#GPL GPL] web software. Browse the softwares by [http://www.demosoftware.net/docs/wiki/index.php?title=Category:Technology technology category]
; Deutsche Python-FAQ ([http://www.kubieziel.de/pythonwiki/ http://www.kubieziel.de/pythonwiki/]) : A German language wiki providing frequently asked questions and answers for Python
; Wikidevices.org ([http://wikidevices.org/ wikidevices.org]) : Information on consumer electronics, gadgets, and other technology-related devices.
; DevilPage.pl ([http://wiki.devilpage.pl/ wiki.devilpage.pl]) : A Polish language wiki about Manchester United
; Developers Digest ([http://www.developersdigest.org http://www.developersdigest.org]) : Wiki resource for programming developers - many popular languages such as PHP, ASP, MySQL, Java etc.
; Diablotins.org ([http://www.diablotins.org http://www.diablotins.org]) : Wiki of the french FreeBSD community.
; Diamond Lake Wiki ([http://www.diamondlakeonline.net http://www.diamondlakeonline.net]) : Wiki for residents of the Diamond Lake neighborhood of Minneapolis, Minnesota, US.
; Dikt Wiki ([http://dikt.org http://dikt.org]) : Norwegian Poetry-Wiki (Norway)
; Disinfopedia [[en:Disinfopedia]] : an encyclopedia of propaganda. A project of [[:w:PR Watch]]: http://www.disinfopedia.org/ , http://www.prwatch.org
; Distributed Systems and Networks Wiki - University of Kent Msc module study notes ([http://www.VikramMohan.com/wiki http://www.VikramMohan.com/wiki]) : Self made highly detailed notes on distributed systems and middleware components combined with Security and Trust. Also covers Mobile and Ubiqutous computing content.
; Distro Guide ([http://distroguide.preempted.net/ http://distroguide.preempted.net/]) : an informational site on various Linux distributions
; dKosopedia ([http://www.dkosopedia.com/ www.dkosopedia.com/]) : a political encyclopedia built by the [http://www.dailykos.com DailyKos] community.
; DocDroppers ([http://www.docdroppers.org/ www.docdroppers.org/]) : a computer security and alternative information outlet developed by members of the Binary Revolution community.
; DOLEX ([http://dolex.akwa2day.de/ dolex.akwa2day.de/]) : a german political wiki for members of the [http://www.dol2day.com dol2day] community.
; docs.javatech.info([http://docs.javatech.info]) : Russian language documentation portal for Java developers
; Documentation for the international forum([http://doc.help.berberber.com/ http://doc.help.berberber.com/]) : a wiki explaining how to use a forum in several languages
; dongfangtiger.de ([http://www.dongfangtiger.de/ dongfangtiger.de]) : a Chinese Sport / Soccer Club in Munich, including a Munich encyclopedia in Chinese language.
; DotaPick.ru ([http://dotapick.ru/wiki/ dotapick.ru/wiki]): a Russian Wiki site about popular game Dota Allstars.
; DrFTPD wiki ([http://www.drftpd.org/ www.drftpd.org]) : DrFTPD, an [[wikipedia:FTP server|FTP server]] written in [[wikipedia:Java_programming_language|Java]]
; D&Uuml;BWiki ([http://www.dubwiki.com/wiki www.dubwiki.com]) : The Volkswagen and Audi Community Do-It-Yourself Wiki
; Duchs ([http://www.duchs.com/wiki www.duchs.com/wiki]) : Reviewiki that deals with products and services.
; Duckipedia ([http://www.duckipedia.de/ duckipedia.de]) : Informations about the world of Disney/ Informationen rund um Disney

===E===
; EarthDweller.com ([http://www.earthdweller.com www.earthdweller.com]) : A Newspaper/Magazine to reveal what is important to any earth dweller.
; EarthWiki ([http://www.kayatana.com/wiki/ www.kayatana.com/wiki/]) : A project concentrating on Sustainable Development and the Environment. Also documenting the various projects in this field.
; Ebolaworld Wiki ([http://ebolawiki.primogaming.net/ ebolawiki.primogaming.net]) : A knowledge base dedicated to the online cartoon website [http://www.ebolaworld.com/ Ebolaworld].
; EBWiki ([http://www.expressobeans.com/wiki/ expressobeans.com]) : EB Art Guide
; ECGpedia ([http://www.ecgpedia.nl/wiki/ ecgpedia.nl]) : Dutch language electrocardiography (ECG) course
; Eclipsepedia ([http://wiki.eclipse.org/ wiki.eclipse.org]) : Eclipse project wiki
; EconBWiki ([http://econwiki.lse.ac.uk/wiki/ econwiki.lse.ac.uk]) : An introductory economics wiki by the students of EC102 at the London School of Economics and Political Science
; EcoReality ([http://www.EcoReality.org www.EcoReality.org]) : A group hoping to form an ecovillage in southwest British Columbia, Canada.
; EditPlus Wiki ([http://www.editplus.info/ www.editplus.info/]) : Tips, tricks, and frequently asked questions about the text editor EditPlus.
; EditThis.info Wiki ([http://www.editthis.info/ www.editthis.info/]) : An easy to use wikifarm to setup your own wikis
; EduxinWiki ([http://eduxin.org/wiki eduxin.org/wiki]) : a site for Chinese-English bilingual learning
; EEwiki ([http://www.eewiki.com www.eewiki.com]) : ExpressionEngine tutorials, tips, tricks, and other information.
; Egopedia ([http://www.egopedia.net www.egopedia.net]) : A wiki about people
; Ekopedia ([http://www.ekopedia.org www.ekopedia.org]) : est un projet d'encylopédie pratique traitant des techniques alternatives de vie. [http://www.ekopedia.org Ekopedia] is a project of practical encyclopedia dedicated to alternative technics of life (French, and may be other languages in the future).
; Elder Scrolls Construction Set Wiki ([http://cs.elderscrolls.com/constwiki/index.php/Main_Page]) : a site containing information about The Elder Scrolls Construction Set for the [http://www.bethsoft.com Bethesda Softworks] game [http://www.elderscrolls.com/ Oblivion].
; Electofix ([http://www.electofix.de/wiki/ www.electofix.de/wiki/]) : Website aimed at helping voters make better-informed decisions in the upcoming German elections scheduled for September 18, 2005 (estimated project duration: 07/24/2005 - 10/31/2005)
; Electowiki ([http://wiki.electorama.com wiki.electorama.com]) : collaboration on election methods research, and a scratchpad for the very active [http://electorama.com/em election-methods mailing list]
; ElGranLibro ([http://elgranlibro.com elgranlibro.com]) : books written collaboratively in Spanish.
; EMD ([http://emd.pl/wiki emd.pl/wiki]) : Polish website about avant-guarde music
; EmuWiki ([http://www.emuwiki.org]) : A German Wiki which collects articles about Emulation.
; EmuWiki ([http://wiki.emu-zone.org wiki.emu-zone.org]) :A Chinese wiki site about emulation,one of subsites of EMU-ZONE.????????????
; Enciclopédia de Valinor ( http://enciclopedia.valinor.com.br ) : An open encyclopedia about J. R. R. Tolkien and his works. (in Portuguese)
; Encyclonigeria ([http://www.encyclonigeria.com www.encyclonigeria.com]) : Pan-Nigerian Encyclopedia and knowledge-base.
; Encyclopedia Dramatica ([http://www.encyclopediadramatica.com]) : The ultimate compendium of internets parody.
; Encyclopedia Spuria ([http://www.spuripedia.co.uk www.spuripedia.co.uk]) : The Wikipedia of Spurious Information.
; Encyclopedie de l'AFN 1830-1962 ([http://pieds-noirs.info/req]) : Story of Afrique du Nord vu par les Pieds-Noirs.
; EnergieWiki ([http://www.netzwerk-energieberater.de/wiki www.netzwerk-energieberater.de/wiki]) : This wiki contains information on the efficient use of energy in buildings, on energy consulting, an on the use of renewable energy sources (only german).
; eon-blue ([http://www.eon-blue.com www.eon-blue.com]) : A free, user-contributed science-fiction universe.
; Eposwiki ([http://eposwiki.cybton.com http://eposwiki.cybton.com]) : A German wiki about the book "Den Gaul von hinten aufzäumen" by Ulli Leginam and Alexander Lagopus.
; EsoWiki ([http://www.esoforums.com/esowiki/ EsoWiki]) : Information about : French Encyclopedia dedicated to Esotericism, Alchemy, Kabbalah... Common Creative License. Only in French. Encyclopédie libre et participative dédiée à l'Esotérisme sous toutes ses formes dans le respect et la tolérance en CCL.
; Esolang ([http://www.esolangs.org/wiki/Main_Page www.esolangs.org/wiki]) : Information about [[:w:Esoteric programming language|esoteric programming languages]], computer programming languages invented for amusement or experimental purposes.
; Ethang ([http://www.ethang.org/wiki/ http://www.ethang.org/wiki/])
: Surrealist musings of ethang
; Europawiki ([http://wiki.pvdi.nl/index.php/Europawiki Europawiki]) : A Dutch wiki that was set up to facilitate policy proposals for the Dutch presidency of the European Union, an experimental approach by the political party PVDI.
; EvoWiki [[:w:EvoWiki]] ([http://www.evowiki.org www.evowiki.org]) : Intended as a repository for mainstream scientific responses to common [[:w:intelligent design]] and [[:w:creationism]] arguments and information about [[:w:evolution]]
; ExampleProblems.com ([http://www.exampleproblems.com http://www.exampleproblems.com]) : Graduate level mathematics example problems with solutions.
; Exprmntl.net ([http://www.exprmntl.net www.exprmntl.net]) : General encyclopedia of audio-visual art: [[:w:experimental film]], different cinema, do it yourself cinema, [[:w:video art]], web art, experimental video, avant-garde, activism, super 8… / encyclopédie générale d'art audiovisuel, base de données sur les pratiques audiovisuelles alternatives : cinéma expérimental, cinéma différent, cinéma artisanal, art-vidéo, arts électroniques, vidéo expérimentale, avant-gardes, activismes, super 8, etc (en, fr, de, es)

===F===

; Faculty of Asian Studies ([http://asianstudies.anu.edu.au/wiki/ asianstudies.anu.edu.au]) : the Faculty of Asian Studies, part of the Australian National University.
; Fargo Band Family Tree ([http://fargobands.yahtzeen.com fargobands.yahtzeen.com]): A community-edited historical record of the Fargo-Moorhead music scene.
; FAQ Farm question and answer co-op ([http://www.FAQfarm.com/ www.FAQfarm.com]) : Users ask questions and help with answers, which grow into FAQs. Started in 2002 and moved to MediaWiki-based WikiFAQs software in 2004.
; FatalNetwork ([http://www.fatalnetwork.com www.fatalnetwork.com]) : a community-edited repository for reviews of movies, music and technology products.
; Feast upon the Word ([http://feastupontheword.org feastupontheword.org]) : provides commentary on [http://mormon.org Mormon] scripture, or in other words, on the Standard Works for [http://lds.org The Church of Jesus Christ of Latter-day Saints].
; Feedster ([http://developers.feedster.com developers.feedster.com]} : A community-edited resource for external developers, power-users and Feedster staff regarding the Feedster.com site - an RSS search engine.
; FedoraNews ([http://fedoranews.org/ fedoranews.org]) : News about [[Wikipedia:Fedora Project|Fedora]], a [[Wikipedia:Linux distribution|Linux distribution]]
; FKK Wiki ([http://fkk-wiki.de fkk-wiki.de]) FKK
; FilmApart ([http://filmapart.net filmapart.net]) : Public Domain media content creation and distribution under the Creative Commons Attribution-NonCommercial-ShareAlike copyright
; FinestWebs Wiki ([http://wiki.finestwebs.net/ wiki.finestwebs.net/]) : About IT-Security : Music and Berlin. Just started in German.
; FireSafety Wiki ([http://wiki.testedgroup.com/ wiki.testedgroup.com]) : Collaborative book about fire safety.
; FirstUnitarianSLC ([http://slcuu.org slcuu.org]) : First Unitarian Church of Salt Lake City, UT, USA
; FIRSTwiki [[:w:FIRSTwiki]] : information about the [http://www.usfirst.org FIRST robotics competition]: http://www.firstwiki.org/
; Fish Tycoon Wiki ([http://tycoon.itsonlybarney.net.ru/fishy/ Fish Tycoon] : A collaborative site for Fish Tycoon enthusiasts.
; FLES Documentation ( [http://dev.shaunevans.co.uk:8080/mediawiki/ dev.shaunevans.co.uk:8080/mediawiki] ) : Documentation site for an educational Enterprise Linux distribution.
; Flexicon [http://www.flexikon.com www.flexikon.com] : English language medical encyclopedia (software has been heavily modified): http://flexikon.com/
; Flexicon [[:w:Flexicon]] : German language medical encyclopedia (software has been heavily modified): http://flexicon.doccheck.com/
; Flickopedia, The [[http://www.flickopedia.net/] : English language encyclopedia for everything related to film and filmmaking, is a child project of [http://www.tarantino.info]
; The Folktunes Archive ([http://folktunes.org/ folktunes.org/]) : Instructional, vintage, and demo recordings, lyrics, and all thing having to do with folk music, editable by all.
; Fmepedia ([http://www.fmepedia.com/]) : fmepedia is an information commons provided by Safe Software, Inc. (http://www.safe.com) for the Feature Manipulation Engine (FME) User Community.
; Frauenwiki ([http://www.frauenwiki.de]) : a wiki for women´s history and feminism in German language
; FreeBSDWiki ([http://freebsdwiki.org/ freebsdwiki.org/]) :- a communal cheatsheet/notepad in support of [[:w:FreeBSD]]
; FreeCiv ([http://www.freeciv.org/ www.freeciv.org/]) : a popular open source strategy game. The entire FreeCiv website runs on MediaWiki.
; FreeCoffee.de ([http://www.freecoffee.de/ freecoffee.de]) : a catalog and summary of free software ([[:w:Freeware]], [[:w:Opernsource]] etc.) with link archive to free web services, tutorials and more and a little community
; FreeCulture ([http://blogspace.com/freeculture/Main_Page blogspace.com/freeculture/Main_Page]) : a wiki version of the book [[:w:Free Culture]] by [[:w:Lawrence Lessig]]
; FreeCulture.org ([http://wiki.freeculture.org/ wiki.freeculture.org/]) : a site about [[:w:Free Software]], [[:w:filesharing]], and [[:w:Open Content]]
; Free Encyclopedia of Thelema ([http://www.egnu.org/thelema/ www.egnu.org/thelema/]) : All about the philosophy of Will known as Thelema.
; Freizeitparkweb [[:w:Freizeitparkweb]] - A german Community about Amusement- : Themeparks and Fun Fairs http://wiki.freizeitparkweb.de
; Frikipedia ([http://www.frikipedia.co.uk www.frikipedia.co.uk]) : The wee encyclopedia. Nonsensical.
===G===
; Game Contractor ([http://gamecontractor.org gamecontractor.org]) : a forum for video game contractors and their clients.
; Game Programming Wiki ([http://gpwiki.org gpwiki.org]) : ''The Game Programming Wiki'' is dedicated to providing easy-to-understand game programming knowledge to the public.
; GameCube Linux ([http://www.gc-linux.org/ www.gc-linux.org]): The official site for Linux on the Nintendo GameCube.
; GamePedia.org ([http://www.gamepedia.org www.gamepedia.org]) : The first Free and Open Encyclopedia of Games.
; GamerWiki ([http://www.gamerwiki.com www.gamerwiki.com]) : GamerWiki is a free, online, video game encyclopedia.
; Gamers-Talk ([http://gamers-talk.net/ Gamers-Talk.net]) : Gamers Encyclopedia about videogames and systems.
; Garry's mod Wiki ([http://www.garry.tv/garrysmod/wiki/index.php/Main_Page]) : The wiki to [http://www.garry.tv/garrysmod Garrysmod]
; GeneaWiki([http://www.geneawiki.com/ www.geneawiki.com]): GeneaWiki, encyclopédie coopérative de la généalogie (en Français).

; Gentoo-wiki ([http://www.gentoo-wiki.com/Main_Page gentoo-wiki.com]) : Created in order to give people a place to put HOWTOs, tips and general Gentoo/Linux information.
; GISWiki ([http://www.giswiki.org/index.php www.giswiki.org]) : The first Wiki in german language about [[:en:GIS|GIS]].
;giobi.com ([http://www.giobi.com/wiki/]) : just a wiki for personal purposes or stuff like that, to handle opinion in between friends and to check my bands activities
; glassdoc.org ([http://glassdoc.org glassdoc.org]) : is a Wiki on as many aspects of the material "Glass" as possible. At present it's only set up as de.glassdoc.org but will eventually become available as en.glassdoc.org as well.
; Gleduwiki ([http://www.gleducar.org.ar/wiki www.gleducar.org.ar]) : is the Gleducar's wiki. The project by the '''C3''' (cooperative construction of knowledge, in spanish) in education. This project work with theachers of Argentina and the other countries of spanish languaje.
; Glen Cook Wiki - [http://wiki.bitparts.org/ wiki.bitparts.org] : Author Glen Cook Reference Site
; Golwen. Enciclopedia literaria de Fantasía y Ciencia Ficción. [http://golwen.com.ar/mediawiki/index.php?title=Portada http://golwen.com.ar/] : Literary encyclopedia of Fantasy and Science Fiction. In Spanish.
; [http://www.gtabb.com Greater Toronto Area Business Portal] ([http://www.gtabb.com www.gtabb.com]) : Toronto Business Wiki
; Grokdoc [[:w:Grokdoc]] : Linux usability
; Gueststars Wiki [[:w:Gueststars Wiki]] ([http://wiki.gueststars.net/wiki.phtml?title=Main_Page wiki.gueststars.net] ) : an organisation with the aim of applying the Open Source creative paradigm to general creative cooperation
; GuildWiki ([http://www.guildwiki.org/ www.guildwiki.org]) : A wiki-based guide to the computer game [[w:Guild Wars]]
; GuitarChaos Wiki ([http://b100dian.lx.ro/wiki/ b100dian.lx.ro/wiki]) : Guitar tabs / chords, free for any use / purpose. New content is allowed only if improved from existing versions found on web or better: if it's new. Mainly Romanian songs.
; GuitarWiki.com ([http://www.guitarwiki.com/ www.guitarwiki.com/]) : Guitar resource with lessons about the guitar, tablature, a list of guitar terms and more
===H===
; H-Sphere Deutsch Handbuch Wiki (http://h-sphere.deutsch.handbuch.milius.net) : german translation of the webhosting-software called H-Sphere by psoft.net
; Halopedia ([http://www.halopedia.org halopedia.org]) : A knowledge base documenting the Halo series of games, books, and other products.
; Hampedia ([http://hampedia.com/ hampedia.com]) : Ham Radio resource and Encyclopedia ("anyone can edit")
; HamWiki ([http://hamwiki.info/ hamwiki.info]) : no clear goals, but attempting to be an ham radio mentoring wiki, except that it discourages editing, and discourages linking to wikipedia, but copies wikipedia content without credit
; Hadersdorfer Modellflugverein (http://hmv.priv.at) : Website des 1. Hadersdorfer Modellflugvereins
; Hannover-Wiki (http://hannoverwikide.h619166.serverkompetenz.net/mediawiki-1.4.11/index.php?title=Hauptseite) : Alle rund um Hannover und seine Region.
; Hát cho nhau nghe ([http://www.hatchonhaunghe.net hatchonhaunghe.net]) : meaning "''sing for one another''" - a lovely place for Vietnamese singing people to assist and share songs, feeling, discussing music...
; Heavy.ch ([http://www.heavy.ch/ www.heavy.ch/]) : an Hardrock Magazin with Wikisoftware.
; HeiseForenWiki [[:w:HeiseForenWiki]] : http://www.thewalrus.info/heisewiki/index.php/Hauptseite
; Helionica (http://www.helionica.pl) : a computer encyclopedia for Polish users
; HelpDeskWiki ([http://www.local.nu/HelpDeskWiki http://www.local.nu/HelpDeskWiki]) : The free reference for computer help desk support.
; HGLondon.net (http://www.HGLondon.net) : MediaWiki-based Website about the Game: [[:w:Hellgate: London]]
; Hierarchypedia ([http://www.hierarchypedia.com www.hierarchypedia.com]) : Information on people and organisations.
; Hindupedia ([http://hindupedia.com hindupedia.com]) : Hindupedia is a Hindu encyclopedia with everything on Hindus and Hinduism.
; HipHop.net.au ([http://hiphop.net.au hiphop.net.au]) : the Australian Hip Hop Wiki
; [http://xn--hgkyrklig-07a.nu/wiki/index.php/Start Högkyrklig.nu] : a wiki for theology and church matters in Swedish. Content under GNU FDL.
; HMCwiki ([http://wiki.hmccentral.com wiki.hmccentral.com]) : The Healthcare Performance Improvement Collaboration Site.
; HoerdatWiki ([http://www.hoerdat.in-berlin.de/wiki/ http://www.hoerdat.in-berlin.de/wiki/]) : (in German) Informationen über Radiohörspiele und verwandte Themen - zB. Feature und Lesungen. Alles was in hoerdat.de (Radiohörspiel-Datenbank) zu kurz kommt.
; HoloWiki ([http://www.holowiki.org www.holowiki.org]) : A wiki by and for Holographers.
; Holopedia.net ([http://www.holopedia.net/ www.holopedia.net/]) : An experimental Wikipedia-like project in Taiwanese (read-only after May 2004 when [[:zh-min-nan:]] came into existence).
; HomeoWiki ([http://www.homeopathy.at/wiki www.homeopathy.at]) : since Nov 2004, collection of material regarding theory & therapy using homeopathy
; Homestar Runner Wiki ([http://www.hrwiki.org/ www.hrwiki.org/]) : The most complete compendium of information about the popular Internet cartoon site [http://www.homestarrunner.com/ HomestarRunner.com]
; Homestar Runner Fanstuff Wiki ([http://fanstuff.hrwiki.org/ fanstuff.hrwiki.org]) : The place for fans of [http://www.homestarrunner.com homestarrunner.com] to make fan things.
; HorologicalWiki [[:w:HorologicalWiki]] ([http://www.clockmakers.archivist.info www.clockmakers.archivist.info]) : a Clock and watchmakers wiki [[GFDL]] licence
; How2 ([http://www.how2.za.net www.how2.za.net]) : A new startup wiki with the aim of describing how to do almost everything
; How2Setup ([http://www.how2setup.org www.how2setup.org]): Do you know how to set something up? Share it with everybody, and learn from others!
; Hula Project ([http://www.hula-project.org/ www.hula-project.org]): Hula is a calendar and mail server whose goal is to be fun and easy to use.
;HupWiki [[:w:HupWiki]] ([http://wiki.hup.hu wiki.hup.hu]): Hungarian [[:w:UNIX]]/[[:w:Linux]]/[[:w:Free software]] wiki
; Hydrogen Audio ([http://www.hydrogenaudio.org/index.php/Main_Page]) : a resource designed to be a focal point for information related to all facets of audio technology.
; HURD Argentina ( http://hurd.usla.org.ar/ ) : Sitio oficial de la comunidad argentina de GNU/HURD, el núcleo de GNU.
===I===
; I-dex ( http://www.i-dex.info ) : An internet index encyclopedia. A cross between Dmoz and Wikipedia.
; ICDNS [[:w:ICDNS wiki]] ([http://www.icdns.org/wiki/ www.icdns.org/wiki]) : open textbook of neuropathology aligned to an initiative to classify diseases of the nervous system
; icsebooks ([http://vedant.lath.in/icse/Main_Page vedant.lath.in/icse/) : collection of free and open textbooks for students preparing for the [[w:Indian Certificate of Secondary Education|Indian Certificate of Secondary Education]] examinations. Was set up in January, 2006 and needs a good amount of help.
; IdeenWiki ([http://www.ideenwiki.de ideenwiki.de]) : A (german) wiki to drop an discuss brilliant ideas one has but never comes to implement
; Ilmenau-Wiki (http://www.ilmenauwiki.de/) : A Wiki-Portal for all topics concerning the town Ilmenau (Germany)
; IM TeamWikiWork (http://www.liberal-fremtid.dk/TeamWikiWork/index.php?title=Forside) : A hp made by two students from Denmark about their school project. The project is about the internet
; Immortal Poetry [[:w:Immortal Poetry]] ([http://immortalpoetry.com/ immortalpoetry.com]) : English Poetry and literature wiki
; Indianer-Wiki (http://www.indianer-wiki.org) : A german encyclopedia about Indians of north, central and south america
; IndigoWiki ([http://wolfandturtle.net/Indigo wolfandturtle.net/Indigo/]) : Information for and by transsexuals and intersexuals
; infoAnarchy wiki [[:w:infoAnarchy wiki]] ([http://www.infoanarchy.org/wiki/ www.infoanarchy.org/wiki]) : on file sharing, copyright, cyber liberties, and related issues
; infobase wiki [[:w:infobase wiki]] ([http://www.infobase.tk www.infobase.tk]) : about information and everything else.
; infopoint ([http://infopoint.jonobacon.org/ infopoint.jonobacon.org/]) : - an group for promoting open source systems at computer fairs
; Infosecpedia [[:w:Infosecpedia]] - an information security encyclopedia : handbook, and how-to guide: http://www.securitygroup.org/pedia/wiki.php?title=Main_Page
; [[w:Inkscape|Inkscape]] Wiki ([http://wiki.inkscape.org/ wiki.inkscape.org]) - a vector graphics drawing application : development and discussion
; Intec Public Sector ([http://www.intecpublicsector.com/products/onlinehelp/ www.intecpublicsector.com/products/onlinehelp/]) : Product help centre
; Interactive Fiction Wiki ([http://www.ifwiki.org www.ifwiki.org]) : A wiki that attempts to build a taxonomy of Interactive Fiction.
; InteractionWiki ([http://interactionwiki.mauriziogalli.com http://interactionwiki.mauriziogalli.com]) : A wiki entirely dedicated to Interaction Design
; International Nath Order ([http://www.nathorder.org/ NathOrder.org]) : Collaborative community website for members of the International Nath Order.
; Internet Theme Park Database ([http://www.itpdb.com/ iTPDB.com]) : An open collaborative theme park encyclopedia.
; Invader Zim Wiki [http://www.zimwiki.com])
A wiki on Invader Zim.
; InvisibleChat [[:w:InvisibleChat]] ([http://www.invisiblechat.com/Main_Page www.invisiblechat.com]) : wiki for an IRC network based on [[:w:IIP]]
; IpbWiki ([http://www.ipbwiki.com www.ipbwiki.com]) : Software which Integrates Invision Power Board with MediaWiki.
; iPodLinux ([http://www.ipodlinux.org/ www.ipodlinux.org]) : wiki for the development of a Linux port to the Apple [[:w:iPod]]
; iRiverWiki ([http://www.misticriver.net/wiki www.misticriver.net/wiki]) : a wiki maintained by owners of iRiver digital audio products as a unified place to share information on product specs, firmware upgrades, product mods, and hacks.
; IrishWAN [http://www.irishwan.com www.irishwan.com] : Wireless network which is attempting to cover all of Ireland. It's a public, FREE network, built by volunteers.
; itsonlybarney.net.ru ([http://www.itsonlybarney.net.ru/ itsonlybarney.net.ru]) : Personal wiki developed for sharing my thoughts an opinions and discussing 'teen' issues
; Portal über Italien ([http://de.italien.ch/ de.italien.ch]) : EIn online Portal über Italien.]
===J===
; JabberFr wiki ([http://wiki.jabberfr.org wiki.jabberfr.org]) : A french-speaking wiki documenting and promoting the Jabber open, standard instant messaging system.
; Java wiki ([http://www.javawiki.com www.javawiki.com]) : A wiki describing the Java programming language. Find answers to common questions. Add your own examples!
; Jazz Knowledge Wiki ([http://portlandjazzjams.com/pjjwiki www.portlandjazzjams.com/pjjwiki]) : Worldwide Jazz Knowledge Wiki is a Jazz Knowledge Base for all aspects of Jazz Theory, Performance, Business, Reviews, Scenes, Commentary and more. Created by and for the international Jazz Community of players, listeners, students and venues.
; Jedi Archives ([http://www.jediarchives.info www.jediarchives.info]) : A wiki for everything Star Wars.
; Jewpedia [[:w:Jewpedia]] ([http://www.jewpedia.com www.jewpedia.com]) : first collaborative encyclopedia about [[:w:judaism]], currently avaible in French http://www.jewpedia.com, and powered by Torati
; Joe Frank Wiki ([http://jfwiki.org www.jfwiki.org]) : An unofficial wiki dedicated to cataloging the work of [http://en.wikipedia.org/wiki/Joe_Frank Joe Frank].
; JorjaWiki ([http://wiki.jorjafox.net wiki.jorjafox.net]) : An unofficial wiki for the career of actress [http://en.wikipedia.org/wiki/Jorja_Fox Jorja Fox].
; Jurispedia [[:w:Jurispedia]] ([http://www.jurispedia.org www.jurispedia.org]) : an [http://ar.jurispedia.org arabic], [http://zh.jurispedia.org chinese], [http://en.jurispedia.org english], [http://fr.jurispedia.org french], [http://de.jurispedia.org german], [http://nl.jurispedia.org nederlands] and [http://es.jurispedia.org spanish] language WikiWiki law encyclopedia, released under a [[:w:Creative Commons]] license.
; just-write ([http://www.just-write.de/wiki/ just-write.de]) : The name is program. German Site.

===K - L===

; Kamelopedia ([http://kamelopedia.mormo.org/]) : Parody of Wikipedia. German. (newly also in [http://en.kamelopedia.mormo.org/ English])
; Kannada Localization Initiative ([http://www.kannada.sampada.net/wiki/]).
; Kart Wikipedia ([http://www.kartwiki.de/ www.kartwiki.de]) : German Wikipedia for the Kart-Motorsport
; Kent Paranormal Investigations ([http://kpi.mine.nu/wiki kpi.mine.nu/wiki]) : All are welcome to visit.
; Kerkrade, Gisteren en Vandaag ([http://www.kgv.nl/]) : An encyclopedia on the city of Kerkrade in the Netherlands. The site is in dutch, sorry
; Knoppix Wiki ([http://www.knoppix.net/wiki/Main_Page www.knoppix.net/wiki/]) : [[Wikipedia:Knoppix|Knoppix]] is a [[Wikipedia:Linux distribution|Linux distribution]] [[Wikipedia:LiveCD|LiveCD]] based on [[Wikipedia:Debian|Debian]] [[Wikipedia:GNU/Linux naming controversy|GNU/Linux]] ([http://www.knoppix.net/ Knoppix]).
; KochWiki ([http://www.kochwiki.net www.kochwiki.net]) : Wiki about receipts and cooking. German.
; Kodal bygdeleksikon ([http://www.kodal.slekt.no]) : Wiki with local history from the community of Kodal, Vestfold, Norway. In norwegian.
; KoL DBase (http://www.koldbase.com) : Wiki about the free online game game Kindom of Loathing.
; krass ( http://krass.com/ ) : wiki about techno music in Barcelona, London and Germany
; kTunes ( http://www.ktunes.net/ ) : wiki containing documentation the Pro KJ Karaoke and Rotation Mangement software (for Macintosh)
; KyrgyzWiki ( http://www.intorussian.com/kyrgyzwiki/ ) : A Kyrgyz language reference with an online English-Kyrgyz dictionary.
; 123Lasvegas Wiki (http://www.123lasvegas.info ) :123Lasvegas wiki about Las Vegas and it is history.
; Lapis Linux Wiki ([http://wiki.linux-sevenler.org wiki.linux-sevenler.org]) : All about GNU/Linux in Turkish.
; Las Vegas Wiki ( http://wiki.gmnow.com ) : Celebrating 100 years of Las Vegas history.
; Le monde de la cuisine et des gourmets ( http://www.mondegourmet.com ) : Le dictionaire encyclopédique de la cuisine et de la gastronomie.
; Liber-Integralis ([http://www.liber-integralis.net/wiki link]) : French wiki about the Warhammer Universe.
; Liberals Against Terrorism ([http://www.liberalsagainstterrorism.com/drupal/]) : A site full of information about US antiterrorism and counterinsurgency efforts, containing both a public wiki and a blog.
; Liberation ([http://liberation.zjwoods.com/]) : A project in collaborative fiction writing which allows participants to determine every aspect of the fictive world, from genre and settings to individual plots
; Libertarian Wiki ([http://libertarianwiki.org libertarianwiki.org]) : encyclopedia to promote [[:w:libertarian]]ism by facilitating activism.
; Libra (http://www.webbed.org/libra) : A collaborative novel
; The Lime Green Project ([http://wiki.thelimegreenproject.com wiki.thelimegreenproject.com]) : A wiki for the things of God, his word, his kingdom, and your questions.
; Link Exchange Directory ([http://kombiz.com/wiki/index.php/Internet:Directory kombiz.com/wiki/index.php/Internet:Directory]) : Link Exchange. All are welcome.
; Links of Power Online([http://links-of-power.hn.org/ links-of-power.hn.org]) : Official website of Links of Power, a MMORPARTSG (Massive Multiplayer Online Role Playing And Real Time Strategie Game).
; Linux/MIPS Wiki http://www.linux-mips.org/wiki : A wiki aimed to document Linux/MIPS, a port of [[Wikipedia:Linux|Linux]] to [[Wikipedia:MIPS architecture|MIPS]] [[Wikipedia:Processor|processors]].
; Linux User Group Traunstein ([http://www.lug-ts.de www.lug-ts.de]) : Home page of all [[:w:Linux|Linux]] users from the south-eastern part of [[:w:Bavaria|Bavaria]], [[:w:Germany|Germany]], who meet each other at the regulars' table in an old beer brewery in [[:w:Traunstein|Traunstein]], a nice town approximately 10 km in the east of the famous [[:w:Chiemsee|Lake Chiemsee]]
; LinuxQuestions.org [[:w:LinuxQuestions.org]] : This site will allow you to not only learn about all things Linux but will also allow you to share your knowledge. http://wiki.linuxquestions.org/
; Lions Clubs Switzerland Wiki ([http://www.lionsclubs.ch/wiki/ www.lionsclubs.ch/wiki]): for collaborative topics of common interest outside the official website of [http://www.lionsclubs.ch Lions Clubs International Multiple District 102 / Switzerland-Schweiz-Suisse-Svizzera/Liechtenstein]
; LISWiki ([http://www.liswiki.com/ LISWiki.com]) : A library and information science Wiki.
; LitWiki ([http://litmuse.maconstate.edu/litwiki/ litmuse.maconstate.edu/litwiki/]) : is a site dedicated to English Studies, both literary and composition, with a bit of theory thrown in.
;LiveSmolensk [http://live.smolensk.ws] Wiki dedicated to the Russian city [[:w:Smolensk]]
; LobbyWatch [[:w:LobbyWatch]] ([http://www.lobbywatch.de/wiki/wiki.phtml www.lobbywatch.de]) : collecting information about lobbyism in Germany
; LokDoc ([http://wiki.lokorin.com wiki.lokorin.com]) : A Wiki containing documentation for programming projects from [http://www.lokorin.com Lokorin's Programming Projects].
; London Wiki ([http://www.london-wiki.com/ London Wiki]) : a Wiki based comprehensive guide to the city of London, England.
; LoopZillaWiki ([http://www.loopzilla.org/wiki/ LoopZillaWiki]) : Sources, sinks and links.
; Lost Company ([http://www.lost-company.info Lost Company]) : a Vanguard MMORPG Fan- and Guildsite. Wiki integrated inside Mambo.
;LTB Wiki ([[http://ltbwiki.bimserver.com/index.php?title=Hauptseite www.ltbwiki.de]]) : A Wiki about Disney Comics in German speaking countries
; Lyriki ([http://lyriki.com/ Lyriki]) : Lyriki, The Lyrics Wiki.
;L’âneWiki ([http://wiki.l-ane.net/ wiki.l-ane.net]) : the [http://l-ane.net/ L’âne] point-of-sale software’s wiki
===M===
; MaatWorks ([http://maatworks.wikinerds.org maatworks.wikinerds.org]) : The software engineering project of the [http://portal.wikinerds.org Wikinerds Community]
; MacHackers ([http://www.machackers.de/ www.machackers.de]) : public "notepad" of the german Macintosh scene
; Mambo China ([http://wiki.mambochina.net/ wiki.mambochina.net]) : Mambo Community in China
; MappeAperte ([http://www.mappeaperte.net/ www.mappeaperte.net]) : wiki and collaborative mapping
; Man-Wiki ([http://www.man-wiki.net/ www.man-wiki.net]) : intended as a reference for [[w:en:Linux|Linux]] [[w:en:man-page|man-page]]s
;Marehof ([http://www.marehof.nl/Hoofdpagina www.marehof.nl]) :a community of owners of appartments in Almere
; Marvel Database Project ([http://www.marveldatabase.com www.marveldatabase.com]) : The largest reference library about ([http://www.marvel.com Marvel Comics]) on the net.
; Massachusetts Institute of Technology (MIT) Media Lab ([http://pedia.media.mit.edu pedia.media.mit.edu]) : a publicly editable site about the Media Lab and Media Lab research
; Massillonbac05 The Website of french students from the lycée Massillon in Paris(FRANCE)([http://massillonbac05.free.fr])
;[http://www.fkk-wiki.de/mediawiki Alles über Mediawiki] German
; MCE 2005 ([http://www.matt-fletcher.co.uk/wiki/index.php?title=MCE_2005_-_Windows_Media_Center_Edition_2005_Resources MCE 2005 - Windows Media Center Edition 2005 Resources]) : MCE 2005 - Windows Media Center Edition 2005 Resources .
; Medik.cz wiki : wiki for students of medicine in Czech Republic
; Medipedia ([http://www.medipedia.org www.medipedia.org]) : A GNU/FDL Free Medical Encyclopedia. English, Spanish, German and French interfaces.
; Megaflight ([http://www.megaflight.de/ www.megaflight.de]) : help to build a free Science Fiction world (in German).
; Mensa Korea ([http://www.mensakorea.or.kr/ www.mensakorea.or.kr])
; Memory Alpha [[:w:Memory Alpha]] ([http://www.memory-alpha.org/ www.memory-alpha.org]) : a [[en:Star Trek]] reference
; MetWiki ([http://www.metwiki.org/ www.metwiki.org]) : Extractive metallurgy set free
; Mexiko-Lexikon ([http://www.mexiko-lexikon.de www.mexiko-lexikon.de]) : Die umfangreichste deutschsprachige Informationssammlung über Mexiko. (Ein Projekt des Mexiko Hilfswerk e.V. http://www.hilfswerk.org])
; MicroDS ([http://www.microds.com www.microds.com]) : A GNU/FDL Microwave Engineering Enclycopedia.
; MicroSite ([http://allexander.homeip.net:8001 allexander.homeip.net]) : WikiSite (Russian) intranet [http://kvartal95.net/ Kvartal95].
; MidnightWiki ([http://www.midnightwiki.com www.midnightwiki.com]) : An open wiki for original thought and indiscriminant content.
; Military History Wiki ([http://www.militaryhistorywiki.org/ www.militaryhistorywiki.org]) : A free online collaborative Military History Encyclopedia.
; Millstone Community Wiki ([http://community.millstone.org community.millstone.org]) : Millstone Community Wiki
; Minnesota Public Knowledge Base ([http://mpkb.net/en/ mpkb.net]) : a [[:en:Minnesota|Minnesota]]-based public activist organizing knowledge base hosted by [http://mpkb.net/en/Macalester_College Macalester] students
; Minnewiki ([http://www.minnewiki.org minnewiki.org]) : A Minnesota Music Database run by Minnesota Public Radio
; Mitsubishi Magna Encyclopedia ([http://magna.trynsave.net magna.trynsave.net]): A free online encyclopedia containing information on the Mitsubishi Magna automobile. Content is made available under a creative commons licence.
; MMPhys ([http://www.natsim.net/wiki/mmphys/index.php/Main_Page www.natsim.net/wiki/mmphys/index.php]) : A wiki on Multimedia Projects in Physics Education
; Mobile Autonomous Systems Laboratory ([http://maslab.csail.mit.edu]) : The Mobile Autonomous Robotics competition held by MIT students for MIT students and is one of the few vision-based robotics competitions in the country. This difficult course requires sundry knowledge of different fields and includes students who are top ranked in the world in computer science and mathematics.
; Modellbauwiki ([http://www.modellbauwiki.de www.modellbauwiki.de]) : Everything about the big toys for big boys. German (Modellbau means modelling).
; Mohala ([http://www.mohala.org mohala.org]) : An online studio and publication space that can be used by anyone
; Moneypedia ([http://www.moneypedia.de]) : Aufgebaut auf der Basis von MediaWiki (http://www.mediawiki.org/wiki/MediaWiki/de) kann hier jeder Schreibwillige sein Wissen rund um das Thema Banknoten kinderleicht einbringen. Auch Informationssuchende werden mit der Moneypedia eine Stelle finden, in der ihr Wissenshunger gestillt werden kann.
; Mono Project ([http://mono-project.com mono-project.com]) : Developer and User Site for the Mono open-source .NET implementation.
; MontelLUG ([http://www.montellug.it/wiki/ www.montellug.it/wiki]) : Montebelluna Linux User Group (ITALY)
; MormonWiki.org ([http://www.MormonWiki.org www.MormonWiki.org]) : "Welcome to MormonWiki.org, an evangelical encyclopedia of Mormonism."
; Mormon Studies Wiki ([http://www.mormonstudieswiki.org www.mormonstudieswiki.org]) : Mormon Studies Consortium (USA)
; MosaPedia ([http://mosapedia.de/wiki/index.php/Hauptseite www.mosapedia.de]) : A german Wiki about the German comicbook MOSAIK
; Motorsport ([http://www.motorsport-sim.org/mediawiki www.motorsport-sim.org/mediawiki]) : the goal of this open source project is to become the most realistic driving simulator.
; Mozilla Finland (MoFiWiki) ([http://www.mozilla.fi/wiki/ mozilla.fi/wiki]) : A wiki for Finnish documentation and other material relating to [http://www.mozilla.org/products/ Mozilla-products].
; Mozilla Wiki ([http://wiki.mozilla.org/ wiki.mozilla.org]) : A wiki for the [http://www.mozilla.org/ Mozilla] Foundation, for planning software development.
; MozillaZine Knowledge Base ([http://kb.mozillazine.org/index.phtml?title=Knowledge_Base kb.mozillazine.org/index.phtml?title=Knowledge_Base]) : , all about the various [[:w:Mozilla|Mozilla]] projects.
; MoztwWiki ([http://wiki.moztw.org wiki.moztw.org]) : Community workspace for Mozilla Taiwan
; Mr. Bergis Wiki ([http://123.trust-no1.net/wiki/ 123.trust-no1.net/wiki/] : Wiki dedicated to the Mr. Bergis prank calls.
; MRSAWiki ([http://mrsawiki.nailtechsecrets.com MRSAWiki link]) : A Wiki Knowledge Base and open source support for sufferers of MRSA, Methicillin Resistant Staphylococcus aureus.
; Mureakuha Wiki (http://wiki.mureakuha.com/) : A finnish programming wiki
; München Wiki ([http://www.monacomedia.de/muenchenwiki/ www.muenchenwiki.de]) : A city wiki for Munich, Bavaria, Germany (in german langauge).
; MU Wiki ([http://oxfordoh.org/wiki/ MU Wiki]) : An open forum Wiki for the people of Oxford, OH and Miami University
; Musicians Wiki ([http://MusiciansWiki.com http://MusiciansWiki.com]) : Wiki providing free music lessons and music theory
; MVlife Open Source [[:w:MVlife Open Source]] ([http://www.mvlife.com/wikimvlife/index.php/Main_Page www.mvlife.com/wikimvlife/]) :
; MyAegean-Wiki! ([http://my.aegean.gr/wiki by MY.aegean.gr Community - University of the Aegean]) : An idea of creating a Wiki for the [http://www.aegean.gr University of the Aegean], giving the opportunity for students and stuff to work all together. This is an idea developed by a group of students, as an extention to the MY.aegean.gr Community portal for the AegeanUni (http://www.aegean.gr, http://my.aegean.gr
; MyTips! ([http://www.mytips.info www.mytips.info]) : A wiki place for tips, tricks and tweaks for anything (Currently on Gmail, PSP, Firefox and Webmaster)
; Myles Braithwaite Wiki ([http://wiki.mylesbraithwaite.com/]) :
===N===
; Naming Schemes ([http://namingschemes.com namingschemes.com]) : Site dedicated to the use of naming schemes on computer networks and elsewhere.
; NAWiki ([http://neo-addict.net/nawiki neo-addict.net/nawiki]) : Wiki dedicated to providing all Neopets knowledge
; Nemerle ([http://www.nemerle.org www.nemerle.org]) : A high-level statically-typed programming language for the .NET platform
; NerdyPC ([http://www.nerdypc.org www.nerdypc.org]) : Hardware Review Site and Information Technology Knowledge Base. A project of the [http://www.wikinerds.org Wikinerds Community].
; NetworkDictionary ([http://wiki.networkdictionary.com wiki.networkdictionary.com]) : An open wiki site (English) for the information sharing on the IT, Networking, Telecom and Computer fields
; ????([http://wiki.networkdictionary.com/chinese/ wiki.networkdictionary.com/chinese/]) : ?????,??,????????????????
; NewWinnipeg.com ([http://www.info.newwinnipeg.com info.newwinnipeg.com]) : A local website dedicated to issues in Winnipeg, Manitoba, Canada.
; Nietzsche ([http://www.agellus.org/nietzsche])
; NKcells.info ([http://www.nkcells.info www.nkcells.info]) : A scientific site to collect information about Natural Killer cells, a main component of the immune system to attack cancer and viruses
; NoBlood.org ([http://wiki.noblood.org wiki.noblood.org]) : A blood conservation and avoidance knowledgebase.
; Norland.org ([http://www.norland.org/wiki www.norland.org/wiki]) : A site that will grow to become everything Norland.
; Northernoracle.org ([http://members.northernoracle.org http://members.northernoracle.org]) : This wiki is used to colaberate on projects currently being worked on by members of the Northern Oracle Reseach Collective.
; Northernpipes.com ([http://www.northernpipes.com/wiki www.northernpipes.com/wiki]) : A wiki about tobacco pipes and the art of tobacco pipe smoking.
; NotTheBBCNetworkingClub ([http://www.gordo.uklinux.net/bbcnc/ www.gordo.uklinux.net/bbcnc/]) : Now running 1.5. alpha
; Now All We Need Is A Name ([http://www.nowallweneedisaname.com www.nowallweneedisaname.com]) : A growing repository of good band names
; NSwiki ([http://ns.goobergunch.net/wiki/index.php ns.goobergunch.net]) : A wiki enclyopedia for the online game, [http://www.nationstates.net NationStates]
; Numispedia ([http://www.numispedia.de]): A german language Numismatic-Enclyopedia
; NWNWiki ([http://www.nwnwiki.org/ www.nwnwiki.org]) : Reference for Neverwinter Nights computer roleplaying game
; NWN2Wiki ([http://www.nwn2wiki.org/ www.nwn2wiki.org]) : Reference for Neverwinter Nights 2 computer roleplaying game
; NYWiki ([http://www.nywiki.com www.nywiki.com]) : , a wiki about New York City, including annotated street maps
===O===
; Objectivism Wiki ([http://wiki.objectivismonline.net/ wiki.objectivismonline.net/]) : a “hierarchical, user-contributed reference on the philosophy of Objectivism.”
; OekonuxWiki ([http://en.wiki.oekonux.org.uk en.wiki.oekonux.org.uk]) : wiki of the [[:w:Oekonux]] project. Topic: Can free software serve as the base for a new society?
; Ogre Wiki ([http://www.ogre3d.org/wiki/index.php/Main_Page]) : Wiki community for the continued growth and development of the ''Object-oriented Graphics Rendering Engine'' (OGRE)
; Oh My Goddess! Manga Gallery, The ([http://omg.tfenet.com omg.tfenet.com]) : A guide to the ''Oh My Goddess!'' anime and manga
; Olypedia ([http://olypedia.de olypedia.de]): German Olympus Cameras Encyclopedia
; OpenContent Initiative ([http://wiki.bssd.org]): An Open Source, standards-based K-12 curriculum development effort aimed at US public schools
; OpenFacts [[:w:OpenFacts]] : a wiki dedicated to collaboratively working on [[:w:open source]] software documentation in multiple languages: http://openfacts.berlios.de/index-en.phtml?title=Main_Page
; Open Game FAQs ([http://www.opengamefaqs.com/w/Main_Page www.opengamefaqs]) : Like Gamefaqs.com, but open under the GNU-FDL.
; OpenLaszlo wiki ([http://openlaszlo.org/wiki openlaszlo.org/wiki]) : wiki for sharing information about the development and use of the OpenLaszlo open source platform
; OpenPoetryProject [[:w:OpenPoetryProject]] ([http://wiki.poetryx.com]) : wiki about poetry and poets, information for students and teachers
; OpenScout wiki( [http://www.scoutlink.it/opensourcewiki OpenScout wiki]) : wiki about Scout and FreeSoftware. In Italian language.
; OpenSpectrum wiki [http://www.scienceofspectroscopy.info/wiki http://www.scienceofspectroscopy.info/wiki] : Wiki-based learning tool for spectroscopy**
; OpenSuse [http://www.openSUSE.org openSUSE.org] provides anyone with free and easy access to SUSE Linux
; OpenTom wiki ([http://wiki.opentom.org/ wiki.opentom.org])
; OpenTTD wiki ([http://wiki.openttd.org/index.php/Main_Page wiki.openttd.org/index.php/Main_Page]) : for writing the manual for the Transport Tycoon clone [http://www.openttd.com OpenTTD]
;OpenWetWare - [http://openwetware.org/ OpenWetWare.org] :Wiki for the biological science and engineering community.
; Option-C wiki [http://wiki.option-c.com wiki.option-c.com] Information primarily about the Xen open source virtualization software.
; OPwiki [[:w:OPwiki]] : a wiki in German about online publishing: http://linding.ch/op/opwiki/
; OrangutanMedia ([http://appserv.lsi.upc.es/palangana appserv.lsi.upc.es/palangana]) : Related to històrical, social and ethical aspects of TIC. Its in the Technical Univestiy of Catalunya. Spanish/English/Catalan
; OrganicDesign ([http://www.organicdesign.co.nz www.organicdesign.co.nz]) : Extending the wiki concepts into P2P, SWF and XML.
; OrthodoxWiki ([http://www.orthodoxwiki.org www.OrthodoxWiki.org]) : An open encyclopedia of Eastern Orthodox Christianity
; OSPGLI DevWiki ([http://www.ospgli.org/devwiki/ Main Page]) : wiki for a group dedicated to creating an open-source successor to the Prograph visual programming language.
; OTAS, the Open Tsunami Alert System ([http://otas.sourceforge.net/mediawiki/index.php/Main_Page OTAS Main Page]) : An open-source project to build a non-governmental tsunami alert system for third-world countries.
; OurAnswer [[:w:OurAnswer]] : responses to talks and speeches made by politicians, business leaders and other important people: http://www.ouranswer.org/
; OurHobbitHole : A combined Tolkien and earth-sheltered homes wiki, fouded by two people wanting to make a Hobbit Hole. ([http://ourhobbithole.com/ OurHobbitHole.com])
; OurNottingham : a MediaWiki based comprehensive guide to the city of Nottingham, England : [http://www.ournottingham.net/ www.ournottingham.net]
; OutdoorDB : a MediaWiki based guide to outdoor activities with voting and maps : [http://www.outdoordb.org/ www.outdoordb.org]
; Outpost Universe Wiki ([http://www.wiki.outpost-universe.net/]) : Wiki for the Outpost Universe, a comunity based around the Outpost series games by Sierra.
; OurWiki ([http://http://www.ourwiki.org/ http://http://www.ourwiki.org/]): [http://www.ourwiki.org/wikiwhat WikiWhat](everything about wikiwiki), [http://www.ourwiki.org/wikifield WikiField](notes from fieldwork), [http://www.ourwiki.org/wikiaids WikiAIDS](care about HIV/AIDS), [http://www.ourwiki.org/wikiplanning WikiPlanning](everything needed when planning an activity)

===P===

; Parapedia : A German Wiki about Grenzwissenschaften and Kryptozoologie (closed because off copyright violence) :
; PA-Wiki ([http://www.keystonepolitics.com/pawiki/ PA-Wiki on Keystone Politics]) : The encyclopedia of Pennsylvania politics.
; PANtheon ([http://www.e-pantheon.tk/ www.e-pantheon.tk]) : Dutch wiki dedicated to mythology.
; Paris Photoblogs ([http://paris.photobloggers.org/wiki/ paris.photobloggers.org/wiki]) : a French wiki dedicated to photoblogging and photography in Paris
; Pardus (PardusWiki) ([http://www.pardus-wiki.org/]): A Wiki for Pardus GNU/Linux, operating system documentation.
; Partitures.net ([http://www.partitures.net www.partitures.net]): A Catalan and Spanish Wiki for free music scores and music education material.
; PCSpieleTest ([http://www.pcspieletest.de http://www.pcspieletest.de]) : (German) Die Online-Computerzeitschrift mit den meisten Redakteuren.
; PDFdirectory Wiki (http://pdfdirectory.homelinux.org/wiki) : Documentation for the [http://sourceforge.net/projects/pdfdirectory/ PDFdirectory] project, which is a web application for the creation of a printable member directory online.
; PedalWiki ([http://wiki.hpv.at/ http://wiki.hpv.at/]): Collection of Information about Special Bicycles in German Language. Wiki über Spezialräder, Liegeräder usw. auf Deutsch.
; PedalPedalWiki ([http://www.pedalbmx.com/wiki/ www.pedalbmx.com/wiki/]) : Attempt at a complete documentation of the history, tricks, bikes, people, places and ramps of BMX Bike Stunt Riding.
; Pedagogia.com ([http://www.pedagogia.com/mediawiki]) : Colaborative portal with a lot articles about education, learning, school and brasilian culture.
; Perrypedia ([http://www.perrypedia.proc.org/ www.perrypedia.proc.org): a Perry Rhodan encylopaedia
; PESWiki.com ([http://peswiki.com/ peswiki.com]) : specializing in 'free energy' technology, using wikimedia to build encyclopedia, news, open sourcing technology, events, PAC, academy, library and more.
; Pfadiwiki.ch ([http://www.pfadiwiki.ch www.pfadiwiki.ch]) : A Wiki on scouting in Switzerland(in German); Pfadiwiki.ch ([http://www.pfadiwiki.ch www.pfadiwiki.ch]) : A Wiki on scouting in Switzerland(in German)
; PflegeWiki.de ([http://www.pflegewiki.de www.pflegewiki.de]) : A Wiki for nurses in german language;
; PGVWiki ([http://wiki.phpgedview.net www.phpgedview.net]) : The wiki documentation for the GNU GPL phpGedView online genealogy software.
;'''Philosopedia''' [[http://www.philosopedia.org Philosopedia]] : A Wiki on Philosophy.
; Photopedia ([http://www.photoresampling.com/photopedia http://www.photoresampling.com/photopedia]) : Free Photographic Encyclopedia.
; phpTicketCart ([http://phpticketcart.ashlux.com/wiki phpticketcart.ashlux.com/wiki]) : An Open source PHP and MySQL project for an enhanced shopping cart supporting sale of tickets.
; PittsburghPlatform ([http://platform.for-pgh.org platform.for-pgh.org]) : Collaborative development of a political platform for local candidates. Currently supporting a mayoral candidate.
; Plog4U ([http://www.plog4u.org/ www.plog4u.org] : Eclipse Wikipedia Plugin and Eclipse Plugin Tutorials, Tips and Tricks (english/german)
; Politiwiki ([http://www.politiwiki.com/ Politiwiki]) : The encyclopedia of American politics.
; PoliWiki ([http://wiki.thepoliticker.net/ wiki.thepoliticker.net]) : A political bloggers encyclopedia
; PokéWiki ([http://wiki.filb.de/ wiki.filb.de]) : German-language Pokémon Wiki
; Potterpedia ([http://maennerseiten.de/harry_potter/wiki/index.php/ maennerseiten.de/harry_potter/wiki/index.php/]) : German Wiki for Harry Potter Fans
; PRwiki ([http://www.prwiki.org/index.php www.prwiki.org]) : , 'New' a wiki for and by Public Relations and Communication Educators, Researchers and Practitioners.
; Proturk wiki ([http://www.proturk.com/wiki proturk.com/wiki]): Computer Programming (Python, tcl, java ....), geek culture (anime, desktop, software, computer related humour etc.) and others.
; ProtoMindcloud ([http://proto.mindcloud.org/ proto.mindcloud.org]) : Prototype wiki for media and idea distribution and collaboration, under Creative Commons license
; Projek Wiki - wikiKnowHow ([http://wikiknow.projectwiki.com/ wikiknowhow.com]) : , A Wiki On Questions About Real Life Like How Or Why
; PSConclave ([http://esoteric-conclave.com/wiki/ esoteric-conclave.com/wiki/]) : A wiki dedicated to the art of Pen Spinning
; Psi-IM ([http://psi-im.org/wiki/ psi-im.org/wiki/]) : Support information about the Jabber based instant messenger [[:w:Psi_(instant_messenger)|Psi]]
; PsyHelp ([http://wiki.psypets.net/ wiki.psypets.net]) : A wiki for PsyPets
; PTWiki ([http://www.powertabs.net/wiki/ www.powertabs.net/wiki/]) : , a wiki for the Power Tab Editor and Power Tab Archive
; Pumapeople ([http://www.pumapeople.com/wiki www.pumapeople.com/wiki]) : UK based Ford Puma community with Wiki pages for FAQ's and Knowledge base
===Q - R===
; QEDen ([http://www.qeden.com/ http://www.qeden.com/]) : A wiki dedicated to solving the [http://www.claymath.org/millennium/ Millennium Prize Problems].
; Quantiki ([http://cam.qubit.org/wiki/ http://cam.qubit.org/wiki/]) : Quantum information science wiki
; Queerwiki.org ([http://www.Queerwiki.org/ www.Queerwiki.org]) : The Free Guide to ''Gay'' Travel, Culture and Education.
; Quit Smoking Wiki ([http://www.quitsmokingwiki.com/w/Main_Page www.quitsmokingwiki.com/w/Main_Page]) : A wiki that contains everything you ever wanted to know about how to quit smoking.
; Qwiki ([http://qwiki.caltech.edu/ qwiki.caltech.edu]) : A quantum physics wiki.
; Radio Control Wiki ([http://rc.wikia.com rc.wikia.com])
; Radiology Wiki ([http://www.radiologywiki.org radiologywiki.org]) : A radiology wiki including a visual lexicon for radiology residents based on sub-specialty society recommended knowledge based objectives
; RadioTux Wiki ([http://wiki.radiotux.de/ wiki.radiotux.de]) : German Web-Radio for OpenSource
; RangieWiki ([http://www.cuningham.me.uk/rangiewiki www.cuningham.me.uk/rangiewiki]) : Range Rover Wiki
; Rap Dictionary ([http://www.rapdict.org/ www.rapdict.org]) : The Rap Dictionary is the oldest and ultimate resource for looking up hip-hop slang.
; ReactOS Wiki ([http://reactos.com/wiki/index.php/Main_Page http://wiki.reactos.com]) : a Wiki about ReactOS, an open source operating system compatible with applications and drivers written for the Microsoft Windows NT family of operating systems (NT4, 2k, XP, 2k3)
; Record History Wiki ([http://www.recordhistory.org/ www.recordhistory.org]) : A chinese public history wiki. Let people recording history, recording people history.
; ReefPedia ([http://www.reefpedia.com www.reefpedia.com]) : Reef Aquarium Encyclopedia
; RegioWiki ([http://www.regiowiki.nl/ www.regiowiki.nl]) : a Dutch Wiki collecting regional information
; ReiseWiki ([http://reisen.wikiwelt.de/ reisen.wikiwelt.de]) : a German Wiki providing personal travel experiences
; Restorationwiki ([http://www.clarkecomments.com/wiki/ clarkecomments.com/wiki/]) : A wiki examining American Restoration Movement History and Theology
; RexDB ([http://www.rexroderecords.com/wiki/index.php/Main_Page www.rexroderecords.com/wiki/index.php/Main_Page]) : RexDB is an online contact database with a focus towards those in the music industry looking for contacts. While currently very little is available, the database looks to become the defacto contact location for any musician. Not only does RexDB provide contact information, it allows those who use the service to add to the list of available contacts by allowing users to edit the pages they find necessary. There are instructions available on each section of the database.
; RezepteWiki ([http://rezeptewiki.de/ rezeptewiki.de]) : (in German) allerlei Rezepte für jede Gelegenheit. Von allen, für Alle und vor allem für diejenigen, die genug haben von dialer- und virenverseuchten Kommerz-Scherz-Seiten
; Rezepte-Wiki (http://www.rezeptewiki.org/) : (German) Sammlung freier Koch- und Backrezepte. Alle Rezepte sind lizenziert unter cc-by-sa.
; RideGide (http://www.ridegide.com/) : Rider edited travel guide to surfing, wakeboarding, mountain biking with essential guides to the best breaks, lakes and trails.
; wiki.RobKohr.com ([http://wiki.robkohr.com/ wiki.robkohr.com]) : Just my personal website.
; RodnoWiki ([http://rodnowiki.org/ rodnowiki.org]) : Bulgarian wiki focusing on local content.
; Rofflehaus ([http://www.rofflehaus.com/ www.rofflehaus.com]) : Rofflehaus is an wiki for Iowa State University; Ames, Iowa; and surrounding area.
; Rosemart Community ([http://www.rosemart.org/wiki/ www.rosemart.org/wiki]) : A Wikipedia-like project to help parents and professionals deal with disabled and/or troubled children. Public contributions welcomed.
; [[W:S23 Wiki|S23 Wiki]] - [http://s23.org/wiki/ s23.org] :Non-hierarchical geek contents dis-organization by uncensored, decentralized, transglobal multi-user hypertext editing without restrictions.
===S===
; SearchClickz - [http://www.searchclickz.com SearchClickz.com] :Webmaster Encyclopedia - Search for what your looking for or do a few clickz through the categories.
; Saltspring Ecovillage Education & Development Society ([http://www.IslandSeeds.org IslandSeeds.org]) : a wiki for developing an ecovillage.
; Sanctuary Storyverse ([http://sanctuary.storyverse.net http://sanctuary.storyverse.net]) : An Online Writing Project in the Creative Commons for making derivative works of the Sanctuary Science Fantasy universe.
; Santa Cruz Underground Music ([http://scum.wikia.com scum.wikia.com]) : A project to develop a Web-based encyclopedia of historic and contemporary underground music in Santa Cruz County, California (specifically punk, indie and noise)
; sapwiki ([http://sapwiki.iwoars.net/ http://sapwiki.iwoars.net/]) Thema SAP. German.
; Sauna Wiki ([http://www.fkk-wiki.de/Sauna Sauna Wiki]} Thema Sauna
; SAUwiki ([http://SAUwiki.com SAUwiki.com]) : is wiki for the students of [[w:Southern Adventist University]]
; ScenarioThinking.org ([http://scenariothinking.org]) : is a wiki to facilitate the open dialogue about possible global futures using scenario thinking processes sponsored by the DTN ([http://www.dtn.net])
; SCI Team ([http://www.sciteam.ubc.ca http://www.sciteam.ubc.ca]) : A Faculty of Science peer program group at the [http://www.ubc.ca University of British Columbia]
;SCInterface Wikipedia ([http://wiki.scinterface.com/ wiki.scinterface.com]) : A wiki and documentation site for users of [http://www.scinterface.com SCInterface]
; Schlaues Buch ([http://www.schlauesbuch.de]) : Scouting-related wiki, german.
; Scoutpedia.nl ([http://www.scoutpedia.nl]) : Wiki about all aspects of Scouting. Dutch language.
; Second World War Wiki ([http://wiki.wo2.nl/ wiki.wo2.nl]) : Wiki about all aspects of the Second World War, including a timeline. Dutch language.
; SecurityForest ([http://www.securityforest.com/ http://www.securityforest.com]) : SecurityForest.com is a collaboratively edited Forest consisting of Trees which anyone can contribute to. SecurityForest's trees are specific security repositories that are categorized for practical reasons.
; SEDSwiki ([http://wiki.seds.org wiki.seds.org]) : Information about the history and programs of Students for the Exploration and Development of Space (SEDS)
; Segelwiki ([http://www.segelwiki.de/ www.segelwiki.de]) : Community Wiki focusing on sailing (in german language), Offenes Wiki zum Thema Segeln
; Segupedia ([http://www.segupedia.com/ www.segupedia.com]) : Computer Security in Spanish Language
; Sennadar Wiki ([http://wiki.sennadar.plebian.net http://wiki.sennadar.plebian.net]) : A Wiki for the collective knowledge of the World of Sennadar science-fantasy universe created by [http://wiki.sennadar.plebian.net/index.php?title=About_James_Galloway James Galloway], for a [http://wiki.sennadar.plebian.net/index.php?title=Sennadar_Books series of books].
; Sequenza 21 ([http://www.sequenza21.com/wiki/ http://www.sequenza21.com/wiki/]) : Collaborative development of a knowledge base regarding concert music since 1900.
; [[:w:SFwiki|SFwiki]] : a comprehensive science fiction and fantasy encyclopedia, http://www.infoshop.org/sf/index.php/Main_Page
;Shared Creation Projects ([http://www.sharedcreation.com/project www.sharedcreation.com/project]) A Collective Tool to assist in running creative projects
; Shmmywiki ([http://shmmy.ntua.gr/wiki/ htp://shmmy.ntua.gr/wiki]) : A greek language wiki focused on providing information about the School of Electrical and Computer Engineering of the National Technical University of Athens ([http://www.ntua.gr http://www.ntua.gr]) to its students, by its students.
; SIIT Nerves ([http://wiki.siit.net/ wiki.siit.net]) : A Wiki for everything related to [[w:Sirindhorn International Institute of Technology|Sirindhorn International Institute of Technology]], Thammasat University, Thailand, and its people (English/Thai).
;Sikhi Wiki - [http://www.sikhiwiki.org sikhiwiki.org] :(en) Encyclomedia of the Sikhs
; SimWiki ([http://simwiki.org/ simwiki.org]) : SimWiki is an encyclopedia of simulation, mainly focused on The Sims 2.
; Sixth World Wiki ([http://wiki.dumpshock.com/index.php/Main_Page wiki.dumpshock.com]) : "designed for collaborative research and development upon the Sixth World, the setting for the Shadowrun RPG, Shadowrun Novels, and various other licensed works"
; Slang dictionary ([http://slang.pl/index.php/Strona_g%C5%82%C3%B3wna slang.pl]) : polish dictionary of slang
; [http://wiki.snu.edu/ SNUWiki] ([http://wiki.snu.edu/ wiki.snu.edu]): designed to encourage collaborative, longitudinal learning in courses at Southern Nazarene University
; SlanderOnline [http://www.SlanderOnline.com/W/ Wiki]A Funny a highly editable celebrity wiki
; [http://www.smallbusiness.com Smallbusiness.com] : Sharing knowledge about starting and running a small business.
; SocSci ([http://mads.warhead.org.uk/socsci/wiki/ mads.warhead.org.uk/socsci/wiki/]) : is a Wiki dedicated to the social sciences. At this time subjects include, political science, sociology and economics.
; Sonic the Hedgehog Information Treasury ([http://shit.sclassic.net http://shit.sclassic.net]): Open database focusing on Sonic the Hedgehog and the software and hardware that the games are powered on.
; [[:w:SourceryForge|SourceryForge]] : "a general purpose resource on esoteric subjects." http://sourceryforge.org/wiki.phtml?title=Main_Page
; Spaghetti Western Database ([http://www.spaghetti-western.net www.spaghetti-western.net]): The ultimate guide to Spaghetti Westerns
; Spam Scalpel Wiki ([http://wiki.spamscalpel.org/wiki/Main_Page wiki.spamscalpel.org]) : Documentation and organizing for Spam Scalpel, an open source anti-spam project
; Spectaclar ([http://spectaclar.org spectaclar.org]) : open source access control discussions
; SpongeBob SquarePants Wiki ([http://www.spongebobwiki.tk/ spongebobwiki.tk]) : SpongeBob SquarePants information.
; Sports Wiki ([http://www.wikisports.org wikisports.org]) : Wiki related to Sports.
; SpottersWiki ([http://www.spotterswiki.com SpottersWiki.com]) : Guide to airport spotting and photography locations
; Stadtwiki [[Karlsruhe:]] A city wiki for Karlsruhe, Baden, Germany (in german langauge).
;Städte Wiki [[http://www.staedte-wiki.de Städteführer Deutschland]]
; Stamps Glossary ([http://www.stamps-auction.com/glossary/index.php/Main_Page www.stamps-auction.com/glossary/]) : for people collecting stamps, covers, postcards
; [[:w:Stockepedia|Stockepedia]] : an encyclopedia of stocks
; Stock Photos ([http://stockphotoss.com/ stockphotoss.com]) : Information and Resources for Stock Photographers and Buyers.
; StopCrime ([http://www.stopcrime.org.za/ stopcrime.org.za]) : A South African forum for discussing issues relating to the high crime levels and provide a forum for victims to share their stories.
; StormWiki ([http://stormwiki.unk.edu/ stormwiki.unk.edu]) : A collaborative encyclopedia covering severe weather topics such as thunderstorm-related meteorology, forecasting, and storm chasing.
; StudyAwayUk ([http://www.studyawayuk.com/ www.studyawayuk.com]) : Information for international students wishing to study in UK universities (particularly Cambridge)
; SunRay-Users Mailing List Wiki ([http://www.filibeto.org/sun/sunray-users/wiki www.filibeto.org/sun/sunray-users/wiki]) : The SunRay-Users Mailing List Wiki covers: Sun Ray Server Software and the Sun Ray Ultra-Thin Clients.
; Sun Servers 101 ([http://www.sunservers101.com/ www. Sun Servers 101 .com]) : HowTos, Tutorials and FAQs for Sun Servers
; Super 8 Wiki ([http://super8wiki.com/ super8wiki.com]) : Technical reference for users of Super 8 movie cameras
; Supply Chain Wiki ([http://www.supplychainwiki.com/ supplychainwiki.com]) :A supply chain wikipedia of terms, concepts and methods. Site under construction
; Supreme Commander Fansite ([http://www.scfansite.com/wiki/ SCF Wiki]) : Modding info for the RTS game Supreme Commander
; Swarm Wiki ([http://cscs.umich.edu:8123/wiki/Swarm_wiki cscs.umich.edu:8123/wiki/Swarm_wiki]) : under construction:
; Sikumuna ([http://www.sikumuna.co.il/ www.sikumuna.co.il]) : contains summeries for high-school students, in a variety of subjects according to Israel's education system requirements.
; [[:w:Symbolwiki|Symbolwiki]] ([http://www.symbolwiki.org/ www.symbolwiki.org]) : a multilingual project for collaboratively designing pictographs (based on Chinese) representing basic human concepts. Designed to be ideal for assembly as a high-level visual language that bypasses [[:w:phonetics]]. Uses the [[:w:GNU FDL]].
===T===
; Tab Wiki ([http://www.tabwiki.com www.tabwiki.com]) : A guitar tab archive, wiki-style. Allowing anyone to edit the tabs should result in a very large and accurate archive.
; Tango Desktop Project ([http://tango-project.org/ tango-project.org]): An initiative to create a consistent user experience for free and Open Source software with graphical user interfaces.
; TARDIS Index File ([http://tardis.wikia.com tardis.wikia.com]) : a collaborative project to create the most definitive, accurate, and accessible encyclopedia and reference database for everything related to Doctor Who.
; Taurus Car Club of America Maintenance and Modification Wiki ([http://www.tauruscarclub.com/wiki/index.php/Main_Page tauruscarclub.com/wiki]) : The Taurus Car Club of America
; TaxAlmanac ([http://www.taxalmanac.org www.taxalmanac.org]) : A free online tax research resource and community.
;TCMusicWiki ([http://ogpresents.com/wiki/index.php?title=Current_events ogpresents.com]) : A concert calendar for the Twin Cities of Minneapolis and Saint Paul, Minnesota that anyone can add events to.
; TeachWiki ([http://stirner.wiwi.hu-berlin.de/mediawiki/teachwiki/ stirner.wiwi.hu-berlin.de/mediawiki/teachwiki/]) : A wiki for students writing theses in statistics lectures (english and german) at Humboldt-Universität zu Berlin.
; Tech-FAQs ([http://www.tech-faqs.com www.tech-faqs.com]) : Tech-FAQs intend to cover most aspects of Computers & Technology, providing simple FAQs and also help and HOWTOs.
; TechNews ([http://www.technews.ir/news/ www.technews.ir]) : TechNews is the latest Technology News in Persian.
; TechnoWiki ([http://technowiki.homeip.net/ technowiki.homeip.net]) : TechnoWiki is a general computer wiki for the benefit of end users.
; TeenWiki ([http://teenwiki.teenidols4you.com teenwiki.teenidols4you.com]) : TeenWiki seeks to classify and document everything related to Entertainment focusing more on Teens.
; Teleformpedia ([http://redteleform.me.gov.ar/nodo_mecyt/pedia/wiki.phtml?title=Portada redteleform.me.gov.ar/nodo_mecyt/pedia/]) : documentador de la Red Federal de Teleformación
; The Database ([http://xoaonline.com/mediawiki/]) : A wiki dedicated to storing the previous reports done by certain students. Useful for finding information for reports.
; The Football Wiki ([http://thefootballwiki.com/ thefootballwiki.org]) : A wiki on the world's favorite sport.
; The Lab ([http://labmaster.4gigs.com labmaster.4gigs.com]) : wiki dedicated to Game Reverse Engineering and manipulation.
; The Xbox Linux Project ([http://www.xbox-linux.org/ www.xbox-linux.org]) : a project to run Linux on an Xbox
; [[:w:The Metaweb|The Metaweb]] : currently annotating [[:w:Neal Stephenson]]'s novel ''[[:w:Quicksilver (novel)|Quicksilver]]''.
; The Poser Encyclopoedia ([http://wiki.my3dart.com/ The Poser Encyclopoedia]) : A community-driven resource guide &amp; encyclopedia for Poser 3D Artists &amp; Enthusiasts.
; The Site With The Lamp ([[http://www.raditha.com/wiki/ www.raditha.com/wiki]]) : A site with a collection of articles on LAMP and related technologies.
; The TV IV ([http://tviv.org/ tviv.org]) : A user-edited compendium of television knowledge.
; The Windows Documentation Project ([[http://wiki.havenite.net/ wiki.havenite.net]]) : A site devoted to documenting the Microsoft Operating System - GNU Edition. Helping POSIX admins regain their bearings when dropped into an unfamiliar and sparsely otherwise documented Windows environment.
; Thelemapedia ([http://www.thelemapedia.org/ Thelemapedia.org]) : An Encyclopedia of Thelema and Magick, with a focus on the works and philosophy of Aleister Crowley.
; Theo ([http://www.aquariuschurch.org/theo www.aquariuschurch.org/theo]) : A wiki for communication of knowledge of all religious, mythical, philosophical, and spiritual concepts. Part of an interfaith website.
; Theopedia.com ([http://www.theopedia.com/ www.theopedia.com]) : A wiki dedicated to Reformed Evangelical Christian theology. Encyclopedia of "all things Christian."
; ThePlaz.com Wiki([http://theplaz.com theplaz.com]) : A site for thePlaz's projects and stuff.
; Tim Bass' CISSP Wiki ([http://www.timbass.info www.timbass.info]) : A Network Security Wiki for Certified Information Systems Security Professionals (CISSPs)
; This Kingdom Church Community ([http://meta.wikimedia.org/wiki/This_Kingdom_Church_Community Welcome to This Kingdom!]) : A wiki dedicated to This Kingdom Church Community, an online community serving the purposes of Jesus Christ.
; This Might Be A Wiki ([http://www.tmbw.net/ www.tmbw.net]) : A wiki dedicated to the band [[http://www.tmbg.com/ They Might Be Giants]].
; TibiaWiki ([http://tibia.erig.net tibia.erig.net]): A wiki dedicated to the [[en:MMORPG|MMORPG]] [[en:Tibia (computer game)|Tibia]] ([http://www.tibia.com www.tibia.com]).
; Tolkien Gateway ([http://tolkiengateway.net tolkiengateway.net]): A wiki dedicated to J.R.R. Tolkien and his works.
; Topfield-Wiki, ([http://topfield.abock.de/wiki/index.php/Hauptseite topfield.abock.de/wiki/index.php/Hauptseite]) : German wiki about the Topfield personal video recorders.
; Toulouse Sans Fil, ([http://www.toulouse-sans-fil.net/ www.toulouse-sans-fil.net]) : Le réseau wifi communautaire sur Toulouse.
; Tourismus-Lausitz! ([http://www.lausitzerleben.de LausitzerLeben]) many about the tourism in the region Lausitz in Germany.
; Tous aux Balkans! ([http://tousauxbalkans.free.fr http://tousauxbalkans.free.fr]) : Music, scores, lyrics, translation, dance steps... about music from the Balkans (Greece, Romania, Bulgaria, Serbia, Gypsies...).
; TownPig, ([http://www.townpig.net TownPig.net]) : City guide and yellow pages for progressive business.
; Tôi ?i Du Ho.c, i.e. I Go Study Abroad, ([http://www.toididuhoc.com/ www.toididuhoc.com]) : "A website for Vietnamese Students on various aspects of studying abroad such as the preparation process, the lifestyle, and working experience"
; Travian Wiki Project ([http://dhost.info/travian2005/Wiki/ Travian Wiki Project]) : Travian is a browser based MMOG where you can compete with thousands of other players by taking control of a small village and leading your people to glory and victory.
; TSCWiki ([http://wiki.thesquaredcircle.com wiki.thesquaredcircle.com]) : Professional wrestling wiki
; TTpedia ([http://www.ttpedia.com/ www.ttpedia.com]) : Trinidad and Tobago free encyclopedia, allthe informaion about trinidad and tobago. Business, news, History, education, Culture and Turism.
; Tulipedia ([http://www.tulipedia.org/ www.tulipedia.org]) : An encyclopedia on Calvinism.
; TurboWiki ([http://www.pinkfud.org/turbid/main/index.php/Main_Page turbid.us]) : An open Wiki for all topics and discussions. The serious, the silly, and the just plain stupid can be found here.
; Tuxfutter ([http://www.tuxfutter.de/ www.tuxfutter.de]): a German and English wiki for users who want to migrate from Windows to Linux.
; TV3ProductionManager {[http://www.tv3wiki.com www.tv3wiki.com]) : A wiki with info on TV-3<nowiki>;</nowiki> Marysville's local TV station.
; TyvaWiki ([http://www.tyvawiki.org www.tyvawiki.org]): a repository for information about [[en:Tuva|Tyva]]; the culture, language, and people in both English and Tyvan.

=== U ===

; UBC SCI Team ([http://www.sciteam.ubc.ca http://www.sciteam.ubc.ca]) : A Faculty of Science peer program group at the [http://www.ubc.ca University of British Columbia]
; Ubuntu India ([http://www.ubuntu-in.org http://www.ubuntu-in.org]) : A wiki dedicated for Ubuntu-In project which works for Ubuntu localisation.
; ukcider (http://ukcider.co.uk/wiki/) : A Wiki dedicated to Real Cider for a UK community of cidermakers and consumers, also hosting the Cider Pub Guide
; Ukraine.by (http://www.ukraine.by/) : Ukrainian diaspora in Belarus: open encyclopedia. A project of Belarusian Public Association of Ukrainians "Vatra".
; Ultima Society (http://ultimasociety.org) : A community of Ultima enthusiasts dedicated to preserving, sharing, understanding, and celebrating all aspects of Ultima, the groundbreaking role-playing game (RPG) series.
; Ultronomicon (http://uqm.stack.nl/wiki/ ) : A Wiki dedicated to providing information on the [[w:Star Control|Star Control]] series, and serving as a knowledge repository for [http://sc2.sourceforge.net The Ur-Quan Masters], an open-source game.
; Uncyclopedia (http://uncyclopedia.org/) : A parody of Wikipedia
; Underverse (http://www.underverse.org) : Be Inspired, Join The Collective, Share in the Hivemind, Bootstrap your Consciousness -- Adelaide Arts Community
; Unilang [[:w:Unilang]] Wiki : "a community for and by language freaks", http://eu.unilang.org/wiki/
; UniWiki (http://141.13.3.25/wiki/): Wiki by the students of the University of Bamberg, Germany
; Unix.se ([http://unix.se unix.se]) : a Swedish wiki about all things Unix.
; Unmaintained Free Software ([http://www.unmaintained-free-software.org www.unmaintained-free-software.org]) : A GNU FDL-licensed wiki of unmaintained/orphaned Free Software projects which are in need of a new maintainer.
; Unofficial TransGaming Wiki (http://cedegawiki.sweetleafstudios.com/) : An wiki of information about [http://transgaming.com Cedega], which allows many Windows games to be played on Linux. Consists mainly of a database of games that have been tested on Cedega.
; Ursine (http://ursine.ca/) : The odds and ends wiki
; Useless Facts (http://wiki.matthew-h.me.uk) : A selection of facts you dont need to know
; UnrealMods (http://umods.unrealfans.com/) : A wiki of Unreal & Unreal Tournament Modifications
; Urban Dead Wiki (http://wiki.urbandead.com) : The Official wiki for the online game Urban Dead.
; Uuummm (http://uuummm.com/wiki) : TV Series and characters. In Spanish.
; [http://ussboreal@lys5.org USS BOREAL] : French site of RPG by mail in star trek univers.
; Užupio žurnalas (http://wiki.uzupis.com/) : The Republic of Užupis magazine.

===V===
; Valve Developer Community (http://developer.valvesoftware.com) : Official site for information on Source engine game development.
; VedicAstrologyWiki ([http://ethericpark.com/wiki/) : A Vedic Astrology Wiki
; VOC Wiki ([http://www.ubc-voc.com/wiki ubc-voc.com/wiki]) : the UBC Varsity Outdoor Club Wiki - for self propelled outdoor recreation in southwest British Columbia, Canada.
; Vegan Club Wiki ([http://www.veganclub.com www.veganclub.com]) : A Wiki for the vegan community
; Video Games Wiki ([http://www.videogameswiki.com www.videogameswiki.com]) : A Wiki for all things video games
; Visions Wiki ([http://wiki.zorth.net/vozwiki wiki.zorth.net]) : A documentation and portal wiki for the browser based online game Visons of Zorth
; Visual Advisor wiki (http://www.visualAdvisor.com/wiki) : A Wiki related to the visual verbal vocabulary, concept and design; community of creatives, San Francisco, CA.
; Visual KoL wiKi (http://www.thekolwiki.net) : A Wiki related to the online game [[Wikipedia:Kingdom of Loathing|Kingdom of Loathing]]
; VoWi (VorlesungsWiki) ([http://vowi.fsinf.at]: A Wiki for students of the [http://www.tuwien.ac.at technical university of Vienna] where they can describe and rate their heard lectures to help other students choosing theirs.
; vtiger (vtiger Wiki) ([http://vtiger.com/wiki]: A Wiki for vtiger CRM, an Open Source Customer Relationship Management product documentation.
; Amazigh People (berberophone)([http://www.tamazirght.org Language Tamazirght] : A Wiki Amazigh People, an Open Source Customer "wikipedia" encyclopedia an any language amazighophone & documentation.

=== W ===
; Walker Family of Wollaton & Beeston, Nottinghamshire, England ([http://www.bongoots.com/ www.Bongoots.com]) : The website of Jesse Luke Walker, who is researching his Walker ancestors from the towns of Wollaton & Beeston in Nottinghamshire, England, going back to the 1600s.
; Wake Law Information Exchange ([http://wakelawexchange.org wakelawexchange.org]) : A website for law students to share their outlines and practice tests.
; WarwickTV ([http://www.warwicktv.co.uk/ WarwickTV.co.uk]) : A TV station based at the University of Warwick, UK.
; Webisodes ([http://www.webisodes.com]) : a site for organizing video content on the web
; WeatherMenu ([http://www.weathermenu.info/ www.weathermenu.info]) : Info about the Weather and Menu
; WeeKee (in french) ([http://fr.weekee.org fr.weekee.org]) : a Canadian general OpenContent wiki. ([http://en.weekee.org english language version])
; Welshpedia ([http://www.welshpedia.co.uk/wiki/wales www.welshpedia.co.uk/wiki/wales]) : open encyclopedia about Wales.
; What Does That Mean? http://www.whatdoesthatmean.com : This site is a free lexicon of English idioms, words, and catch phrases from around the world.
; Whole Wheat Radio http://www.wholewheatradio.org/wiki/index.php : A live webcast that is migrating to a customized all-wiki form.
; Werkbank Deutschland ([http://www.werkbankdeutschland.de]): political agenda collaboration for Germany / Arbeitsprogramm für die deutsche Politik
; wiki8: China cate wiki system [[http://www2.wiki8.cn/wiki/ www.wiki8.cn]]: china cate wiki system. the first cate wiki system in china [[http://www2.wiki8.cn/wiki/ china cate]](language: chinese zh-cn)
; WikiAir ([http://www.wikiair.com www.WikiAir.com]) : The Wiki dedicated to Business Travelers and Airline Crews
; WikiAV ([http://www.wikiav.com www.wikiav.com]) : A Wiki site devoted to Audio and Video information, the site contains information on AV connectors, signal types, AV leads and equipment
; WikiSebbel ([http://wiki.ntxserver.com wiki.ntxserver.com]) : A Wiki site devoted to FreeBSD, Linux, Windows, and Mac OS X Detailed Setup Guides.
; Wiked ([http://wik.ed.uiuc.edu wik.ed.uiuc.edu]) : Wiki for education and education research.
; Wikia ([http://wikia.com/wiki/ wikia.com/wiki/]) : A wiki-based free-content search engine.
; WikiAnnu ([http://Wikiannu.killix.org wikiannu.killix.org]) : A French free directory project.
; Wikibéral ([http://www.liberaux.org/wiki/ liberaux.org/wiki]) : French classic liberal and libertarian encyclopedia.
; wikiCancer ([http://www.wikicancer.org wikiCancer.org])
: A repository of personal and clinical cancer information focusing on the shared experience.
; WikiCatholic ([http://www.wikicatholic.com/wiki WikiCatholic.com/wiki]) : A wiki of catholic-related material, including prayers, encylopedia articles, apologetics, etc. Intent to cover other religions in an encylopedic manner.
; Wiki-Cheats (http://www.wiki-cheats.org/): A wiki that contains cheats, reviews, game guides, and stuck point help for a wide array of computer games on a wide array of systems.
; WikiChristian ([http://www.wikichristian.org www.wikichristian.org]) : A wiki for Christianity from church history, sermons and Bible studies to reviews of Christian books and travellogues to sites related to Christianity
; WikiCode ([http://wikico.de/ wikico.de]) : A German Wiki for Programmers.
; Wikicode ([http://wikicode.frihost.net wikicode.frihost.net]) : A database of code snippets and scripts for computer programmers.
; Wikicompany ([http://wikicompany.org wikicompany.org]) : A community built, free content, worldwide, business directory.
; WikiCulture ([http://www.wikiculture.org/ www.wikiculture.org/]) : a wiki-based knowledge base on natural sciences (mathematics, computer science, etc.) mainly in Chinese and cultural topics in both Chinese and other major foreign languages: [http://www.wikiculture.org/ http://www.wikiculture.org/]
; Wiki Dating ([http://www.wikidating.net http://www.wikidating.net]) : a Wiki site for dating & community-building.
; Wikidemia ([http://www.wikidemia.org www.wikidemia.org]) : WIKI based academic discussion site.
; WikiFAQ ([http://www.wikifaq.com www.wikifaq.com]) : Up to date answers to Frequently Asked Questions.
; WikiF1.org ([[WikiF1:Accueil|www.wikif1.org]]) : Motorsports encyclopedia with content under the Creative Commons nc-by-sa License (currently just in French - multilingual with the help of volunteers)
; WikiFicciones ([http://www.wikificciones.com www.wikificciones.com]) : Dedicated to readers and writers of Science Fiction (Spanish) - Dedicado para lectores y escritores de Ciencia Ficción en español.
; WikiFun ([http://www.wikifun.de www.wikifun.de]) : Bars of Germany.
; WikiGamesGuide.com ([http://www.wikigamesguide.com http://www.wikigamesguide.com]) : An excellent wiki in games tips, games development, cheat, news, reviews and stuff.
; Wiki Guitar ([http://www.wikiguitar.net www.wikiguitar.net]) : Features lessons, tab, resources, and articles.
; WikiGTA.org ([http://www.wikigta.org http://www.wikigta.org]) : Wiki website with a lot information about the Grand Theft Auto Serie in Dutch and English
; WikiHealth ([http://www.wikihealth.com www.WikiHealth.com]) : Community created articles on health and wellness.
; WikiJaveriana ([http://wiki.javeriana.edu.co http://wiki.javeriana.edu.co]) : Herramienta de publicación y de construcción colectiva de conocimiento.
; wikiHow ([http://wiki.ehow.com/Main-Page http://wiki.ehow.com]) : a collaborative writing project to build the world's largest how-to manual.
; WikiIndex (http://www.wikiindex.com) : a wiki of wikis.
; wiki.openap.net ([http://wiki.openap.net wiki.openap.net]) : German Wiki for coordinating the build-up of a free 802.11 network at lower-rhine/nrw/germany. Wiki starts at midmonth of october.
; WikidWeb ([http://www.wikidweb.com www.wikidweb.com]) : Wiki Internet directory - like the [http://www.dmoz.org open directory project], but editable by anyone.
; WikiKto ([http://www.wikikto.org www.wikikto.org]) : free catholic encyclopedia.
; Wikilatam ([http://wiki.cyberlatam.com/]) : Spanish directory about Computers and Internet.
; Wikilaw [[:w:Wikilaw]] : leverages wiki version control to monitor the evolution of (currently : french) law: http://wikilaw.free.fr/
; WikiLib.com ([http://www.wikilib.com www.wikilib.com]) : Chinese Wiki Library ??
; WikiLyric ([http://www.gabejordan.com/lyrics/wiki]): An editable source for lyrics
; WikiMD.org ([http://www.wikimd.org www.wikimd.org]) : Open Source Medical and USMLE encyclopedia A new Dedicated Wiki building an [[:w:Open Source]] Medical [[:w:Encyclopedia]]
;WikiMobius - [http://wiki.planetmobius.com/ WikiMobius] :The Unofficial Sonic Wiki Site!
; WikiMol ([http://www.sciencetechnologies.com/wikimol www.sciencetechnologies.com/wikimol]) : A database of 3D molecules
; Wikimovies ([http://www.wikimovies.net/ www.wikimovies.net]) : Wiki based site about Movies, Actors and Soundtracks
; Wikinations ([[fr.org:Accueil|fr.wikinations.org]]) : a community building practical encyclopedia for citizens (French)
;WikiNotes - [http://wikinotes.cdpuk.net/ wikinotes.cdpuk.net] : UK A-Level notes collaboration project
; Wikiomics - [http://wikiomics.org wikiomics.org] : Bioinformatics wiki
; WikiPaltz (http://www.wikipaltz.com) : Encyclopedic Wiki about SUNY New Paltz and the politically peculiar community of New Paltz, New York (USA)
; WikiP2P ([http://www.wikiP2P.com www.wikiP2P.com]) : The P2P documentation center (in french).
; WikiPasy ([http://www.cracovia.livenet.pl]) : Wiki about history of oldest Polish football club KS Cracovia.
; Wikipen ''(Limbus)'' at [http://www.wikipen.org www.wikipen.org]: French at [http://www.fr.wikipen.org fr.wikipen.org] and English at [http://www.en.wikipen.org en.wikipen.org]. Wikis dedicated to collaborative creative writing (literature), contact: <font color="#800000">[[User:Jean-Christophe Chazalette|villy]] ♦[[User talk:Jean-Christophe Chazalette|✎]] </font>.
; WikiProduct ([http://www.wikiproduct.de/ wikiproduct.de]) : A wiki to collect product information.
; Wikipubs.org - [http://www.wikipubs.org/ wikipubs.org] : A home for pubs and club information, and other alcohol related stuff.
; Wikireason ([http://www.wikireason.net/wiki wikireason.net]) : Also known by its original name, "the [http://forum.for-pgh.org Pittsburgh Forum]" and the name of the proposed project [[Wikibate]]. A collection of arguments on any issue, from any perspective.
; WikiRaider ([http://www.wikiraider.tombraidergirl.net/ WikiRaider]): A wiki dedicated to the video game Tomb Raider ([http://www.wikiraider.tombraidergirl.net/ english] & [http://www.raiderwiki.tombraidergirl.net/ german])
; WikiRecording ([http://www.WikiRecording.org WikiRecording]): The free guide to audio recording that anyone can edit.
; WikiRectory ([http://www.wikirectory.com WikiRectory]): A directory of great websites that anyone can edit.
; WikiScrolls ([http://www.wikiscrolls.de www.wikiscrolls.de]) : German Wiki about [[w:The Elder Scrolls|The Elder Scrolls]].
; WikiSic ([http://wikisic.ouvaton.org/wiki/index.php/Accueil]) : in French. Inventaire des énoncés sur l'art du discours en Sciences de l'information et de la communication. En cours d'installation.
; WikiSTC ([http://www.wikistc.org/wiki/Main_Page) : Wiki about computer security implementations
; WikiSound ([http://www.wikisound.com/ http://www.wikisound.com])
; WikiSummary ([http://www.wikisum.com/ WikiSum (WikiSummary): Academic Summaries]): Contains summaries of academic books and articles, especially those relevant to political science.
;Wikitau ([http://en.wikitau.org en.wikitau.org]) : The franciscan encyclopaedia, <br />[http://fr.wikitau.org l’encyclopédie franciscaine en français]
; Wikitokyo ([http://mt.brentdax.com mt.brentdax.com]) : A ''[[w:Megatokyo|Megatokyo]]'' wiki.
; Wikitopia ([http://www.wikitopia.org/wiki http://www.wikitopia.org/wiki]) : Wiki dedicated to discussion about and correction of current social problems
; Wikitravel [[:w:Wikitravel]] : a wiki-based travel guide: http://wikitravel.org/
; WikiTree ([http://www.wikitree.org www.wikitree.org]) : freely-edited family tree of all human beings.
; Wikitourist ([http://www.wikitourist.altervista.org/ http://www.wikitourist.altervista.org/]) (only italian language): All tourist informations.
; Wikitronic ([http://www.wikitronic.net www.wikitronic.net]) : A german (later maybe in english) wiki as reference for mechanical, mechatronic and electronics.
;Wiki Software ([http://www.mailiste-s.de mailiste-s.de]) : German Wiki Enging
; Wiki.Typhon.net ([http://wiki.typhon.net wiki.typhon.net]) : Public wiki (in french) for Typhon.net's websites users.
; wiki.typo3.org ([http://wiki.typo3.org/index.php/Main_Page wiki.typo3.org/index.php/Main_Page]) : (english, french, german, more...) TYPO3 documentation project wiki. This Wiki collect and centralize any documentation effort related to the TYPO3 CMS. Feel free to join our documentation effort.
; WikiVangelism ([http://wiki.bgcarlisle.com/ wiki.bgcarlisle.com]) : Wiki for Christian resources, evangelism techniques, book reviews.
; wikiveg ([http://www.wikiveg.org/mw wikiveg.org]) : Wiki for [[w:vegan|veganism]], [[w:animal rights|animal rights]], vegetarianism, and related concerns
; Wikivillain ([http://wikivillain.info]) : french wiki devoted to the online game City of Heroes.
; WikiWikiWalks ([http://www.porpoisehead.net/wikiwikiwalks/ porpoisehead.net/wikiwikiwalks]) : Site for walking enthusiasts in Northumberland, UK.
; WikiWood ([http://www.wikiwood.com www.wikiwood.com]) : , a user-grown wood working and related reference: http://www.wikiwood.com
; Windows Media Wiki : Open collaborative resource for Windows Media users. Hosted by the Microsoft User Network at [http://www.wmwiki.com www.wmwiki.com]
; Wipipedia ([http://www.lfshosting.co.uk/wipi/ www.lfshosting.co.uk/wipi]) : Free-content [http://www.lfshosting.co.uk/wipi/ Fetish and BDSM] encyclopedia.
; WiSci ([http://www.wisci.org/wiki/Main_Page]) : Free-content science encyclopedia.
; WiseNano : Collaborative space for nanotechnology researchers. Hosted by the Center for Resposible Nanotechnology: http://wise-nano.org/w/Main_Page
; Wombat : the Planet Magazine, Free Bazaar: http://now.ohah.net/en/ (http://now.ohah.net/ja/ Japanese)
; WordPress Codex ([http://codex.wordpress.org codex.wordpress.org]) : Striving to be a complete reference source for the open-source blogging tool, WordPress
; World of Warcraft Wiki ([http://www.wowwiki.com www.wowwiki.com]) : A wiki about the popular online role-playing game World of Warcraft
; World Wind Wiki ([http://wiki.worldwindcentral.com/ wiki.worldwindcentral.com])
; WormWiki : the free [[:w:Worms computer games|Worms]] encyclopedia: http://wiki.fullwormage.com/
; WPIwiki ([http://www.wpiwiki.org http://www.wpiwiki.org]) : a wiki site for [[:w:Worcester Polytechnic Institute|Worcester Polytechnic Institute]]
; www.kaffeewiki.de ([http://www.kaffeewiki.de www.kaffeewiki.de]) : German Wiki for Espresso Fans
; www.kombiz.com ([http://www.kombiz.com/wiki www.kombiz.com/wiki]) : Travel, Hotel, Web Hosting and Certification

=== X&ndash;Z ===

; XuuuuWiki [[:w:XuuuuWiki]] ([http://www.xuuuu.com/wiki www.xuuuu.com/wiki]) : a Simplified Chinese Wiki About SoulSeek
; XP-Swiss ([http://xp-swiss.org/ xp-swiss.org]): a wiki about Extreme Programming is Switzerland (mainly in french)
; X-VR2 Project (http://xvr2.sourceforge.net) : X-VR 2 Stands for eXtreme Virtual Reality 2 and intends to be a C++ framework for developing 3-D apps which in the future can be used in real VR or augmented reality environments.
; Yaunopedia : (German) Free Syriac Encyclopedia: http://www.yaunopedia.org
; Yellowikis ([http://www.yellowikis.org/ www.yellowikis.org]): open, global and free business listings.
; YoyoWiki ; ([http://www.yoyowiki.org/ www.yoyowiki.org]): All the worlds information about yo-yos.
;Zarasguide [http://www.zarasguide.com/ www.zarasguide.com]: wiki dedicated to discovering the wackiest services available on mobile phones in the UK
; Zeldapedia ([http://www.kenbro.net/wiki/Main_Page www.kenbro.net/wiki]) : a wiki about The Legend of Zelda series.
; [[Zentrale für Unterrichtsmedien|ZUM]]-Wiki (http://www.zum.de/wiki/) (german): all for teachers, pupils, schools

== Public personal wiki installations ==
# [http://www.alabamahealthlaw.org alabamahealthlaw.org], an educational resource for attorneys, healthcare providers, students and others who are interested in learning more about healthcare-related legislative, judicial, executive and administrative developments in the state of Alabama.
# [http://escargot.icehouse.net/mediawiki AlpineWiki], [[User:AaronPeterson|Aaron Lee Peterson's]] information exchange. Free Software and Personal Info
# [http://taiga.dyndns.org/wiki Anderswiki], a german wiki for everything that is different. (offline or hacked?)
# [http://auburnmedia.com/mediawiki/index.php?title=Main_Page AuburnMedia Wiki] is a resource for classes in public relations and marketing communications.
# [http://deaddrop.us/awareguide AWARE ARG Guide] is a player maintained guide for the [http://en.wikipedia.org/wiki/Alternate_Reality_Game Alternate Reality Game] [http://www.ruaware.org AWARE]. The game is played primarily online with real world elements to make it more fun.
#[http://digamma.net/btfwiki/index.php/Main_Page Baseball Think Factory Wiki] : Public Wiki for answering the FAQ of [http://baseballthinkfactory.org/]
# [http://rpl.stttelkom.ac.id/wiki/index.php/Main_Page Software Engineering Laboratory] : for STT Telkom - Bandung
# [http://bloggedin.org/wiki/ Blogged In Wiki] Wiki for Blogged In users @ Bloggedin.org
# [http://ceemedia.sourceforge.net/wiki/index.php/Main_Page CeeMedia Movie Catalogue] : Wiki for the CeeMedia software program
# Eric Shao-yu Cheng: http://fractal.csie.org/~eric/wiki/Main_Page
# [http://www.chopstork.com/wiki ChopStork.com] - [[User:Wmluke|Wmluke]] & friends' personal site: Blogs, Photo Albums, and many stupid pages.
#[http://www.deanofcincinnati.com/CincyWiki/index.php/Main_Page/ CincyWiki]: Open Source Government in Cincinnati, Ohio.
# [http://karma.med.harvard.edu FreeBio] - Free and Open Biology resources
# [http://gentoo-wiki.com The Gentoo-Portage Wiki] Created to give people a place to put HOWTOs, tips and general Gentoo/Linux information.
# [http://www.hwasungmars.net Hwasung Mars' wiki] Covers Physics, Mathematics, GRE test, and furthermore contents
# [http://thegoodweb.info/wiki/ GoodWiki] Wiki for The Good Web users
# [http://www.healthitsecurity.net/wiki Health IT Security Wiki] for Health IT Security standards developers, advocates, and implementers
# [http://wiki.inf.ufrgs.br/ II-Wiki], created by the Comp Sci institute of [[w:UFRGS]], a Brazilian Public University.
# Iluvitar's wiki http://www.iluvitar.com/sections/wiki/ (the skin is not selectable and different from the usual three)
# [http://www.insidemagic.com Inside Magic] A Site for the Free Exchange of News, Reviews and Ideas Concerning the Art of Magic as Entertainment.
# [http://www.myshortpencil.com/k12wiki/ K12WIKI], providing an understanding of the pre-K-12 education system in the United States.
# [http://boyandin.info/wiki/ KB Wiki] Konstantin Boyandin's personal wiki (devoted to his books and worlds of Ralion, Shamteran, Gallia et al.
#[http://kiwimusic.info/ KiwiMusic.Info] A wiki database for New Zealand music.
# [http://www.lebensreform.ch/ Lebensreform in der Schweiz], Project about the "Lebensreform" movement in Switzerland (in German).
# Liao's wiki [http://happyliao.net/mediawiki for personal online notes]
# http://www.meanderingly.com, Collective of writers creating a work of fiction and using MediaWiki as the medium.
# ''[http://pile.org/means/ Means and Ends]'', a site for a game of ''Nobilis'' (a [[:w:role-playing game|role-playing game]]), running a version of the Wikimedia code modified slightly by [[User:Sben|S. Ben Melhuish]]
# [http://wiki.mozilla.org MozillaWiki], the Wiki of the Mozilla Foundation which has built the Mozilla Webbrowser-Suite and many other applications like Firefox and co.
# [http://raphael.jolly.free.fr/meditorworld meditorworld], a MathML-in-MediaWiki proof of concept (MathML capable browser needed, tested to work with Mozilla).
# Mineralienatlas wiki: http://www.mineralienatlas.de/phpwiki/
# [http://www.marcomblog.com/wikimedia/index.php?title=Main_Page Marcom Wiki] is a collaborative site involving Marcom practitioners from around the world and students at Auburn University in Alabama. The site also has a [collaborative group blog] entitled [http://www.marcomblog.com/ MarcomBlog].
# [http://www.mbapedia.org MBApedia] an open and free busness encyclopedia. Hosted by a University of Michigan Business School student.
# [http://www.nancy.chaseheadquarters.net Nancy] is a repository for, well, stuff. Mostly anime and videogame related. Not editable by the public.
# [http://www.ninetnine.net/wiki/Main_Page NINETNINE Wiki]: Public Wiki for Malaysian and Australian books and publication related.
# [http://www.alexandtia.com/openhatch Open Hatch], Alex Hall's amusements, creative projects, pontifications
# [http://www.othello.dk/book The Othello Wiki Book Projekt]
# [http://www.matt-fletcher.co.uk/wiki/ Phat Matt's Wiki] Matt Fletcher's Personal Wiki, used by friends and family mainly.
# [http://www.phydeau.org/wiki/ Phy-d'eau] Conceptual fluid, to collaborate on creative projects. The idea is to expose our projects and hope that these efforts inspire one another's writing, art, music, etc.
# [http://plastictub.vaporslave.com Plastic Tub] Repository of Associationalist history, documents, art.
# [http://potatowiki.gotdns.com] PotatoWiki.
# [http://wiki.riktning.com Riktning.com] Riktning.com wiki, a wiki about NLP and the Riggiomodel.
# [http://revolutionofone.info Revolution of One] A online community wiki about Revolution of One, an approach to revolutionary transformation of personal, social, and political consciousness by author and public speaker [http://treesong.org/ Treesong].
# [http://www.marcanoonline.com/ Robert Marcano's website], a personal wiki related to Java and Linux.
# [http://wiki.socklabs.com SockLabsWiki] a personal refference and dictionary
# [http://inthesquaremile.com/wiki/ Square Mile Wiki] Wiki for those in the Square Mile
# [http://tripu.triphoenix.de/ TriPU] Documentation wiki for the TriPhoenix homebrew CPU project
# [http://ursine.dyndns.org/ Ursine], a wiki searching for topics.
# [http://www.uruguayorlando.com Uruguay Orlando] is a nonprofit organization dedicated to help Uruguayan inmigrants living in [http://www.uruguayorlando.com/orlando Orlando and all Central Florida] area. We are experimenting wiki in some sections of our web site to create a dinamic comunication medium between the people living in USA and between their relatives in Uruguay
# [http://www.utblog.com/wiki/ UTWiki | ??????Wiki], a wiki for sef-help ourdoor travel
# [http://www.vdr-wiki.de VDR Wiki] a Wiki Manual for the digital VDR (Video Disk Recorder)
# [http://www.vineetkhanna.com/ Vineet Khanna Wiki] is the personal wiki of Vineet Khanna
# [http://wiki.wcp.muohio.edu Western Wiki], "a free forum" wiki for Western College, [[w:Miami University]]
# [http://www.westguard.org/ WestGuard], a site for a game of ''Champions'' (a [[:w:role-playing game|role-playing game]]), using a [[:w:XHTML|XHTML]] and [[:w:CSS|CSS]] standards-compliant skin by [[User:BBlackmoor|Brandon Blackmoor]]
# [http://yotz.zeromass.org/wiki Wiki of the Squid], an electronic journal of a Dark Sun campaign run by Has Chaudhuri
# [http://www.code-off.de/wiki/ Zefania XML Wiki], a german wiki for Zefania XML Biblesoftware.
# [http://victoria.themidlands.net/victoria/ Victoria], a wiki about a web comic called [http://themidlands.net/ The Midlands]. Also home to an extensively organized archive of Midlands strips.
# [http://www.kalez.it/wiki Kalez], a wiki about a group of friends! (Italian)
# [http://www.wickle.com/wiki WickleWiki] a wiki to maintain and coordinate development projects, and their documentation.
# [http://winslowslair.supremepixels.net/wiki/ Winslow's Lair Wiki], a personal wiki
# [http://www.dorgoth.com Tome of Dorgoth], a Wiki campaign world for the role-playing game ''Dungeons and Dragons'' (English; anyone can contribute)
# [http://spark.trickip.org/ SparkWiki], a personal wiki
# [http://sysy.homeip.net The Site For Sore Eyes] -- A collaboratively-edited 'resource-dump turned knowledgebase'.
# [http://www.sense-think-act.org Sense-Think-Act] A collection of exercises which refer to elemental human abilities - in development.
# [http://rafaelss.hollosite.com Rafael's Personal Wiki] A joint of several thing
# [http://www.sly.nm.ru/ Russian Cheater] an electronic journal of a Russian Chater
# [http://wiki.odd-fish.de/wiki/ oddWiki] Personal wiki of [http://media.odd-fish.de Abraxas/fabulous]
# [http://partout.cafe24.com Partout.NET] Partout's personal wiki
# [http://hdub.servebeer.com/wiki Hdub], Hart Wilson's ([[w:User:CyborgTosser|CyborgTosser]]) personal wiki.
# [http://wiki.wegge.dk/ WikiWegge] - A personal Wiki in danish.
# [http://www.dehumanizer.com/wiki/ Dehumanizer's Wiki] - A personal Wiki, with thoughts, opinions, rants and technical articles.
# [http://morropro.wdm-host.net/wiki/index.php/Accueil Le Grimoire] - Wiki about litterature
# [http://www.ibiblio.org/maritime/wiki OpenMDA] - Wiki about maritime related stuff (vessels, companies, history, ....)
# [http://vev.mine.nu/mediawiki-1.3.3/index.php/ Wiki Vev] Personal wiki of [http://fr.wikipedia.org/wiki/Utilisateur:Vev Vev] in french
# [http://www.wikifrance.org/ ????] Personal wiki project of [http://www.romanfr.com ?????] in chinese
# [http://www.wikidharma.org/ WikiDahrma] Personal wiki project in Japanese for Buddhism related contribution: all content will be finally contributed to Japanese Wikipedia after proofread.
# [http://www.boxingwiki.com The Boxing Wiki]: Site for information on the sweet science.
# [http://cat.krass.com/ cat.krass.com] : Cats private home page, with info about Barcelona
# [http://damian.net/ damian.net] : Damian Family wiki
# [http://wiki.sunbase.org wiki.sunbase.org] : [[en:User:Sunny256|Sunny256]]'s wiki which is used to collect various info. Also used for drafts for Wikipedia articles. Mostly in [[en:Norway|Norwegian]].
# [http://www.c-peper.de/ TruBlus Wiki] My personal wiki
# [http://www.pornpulp.com/ Adult Information Wiki]: A project which aims to provide adult reviews.
# [http://boucar.dyndns.org/wiki/ StatWiki] : A french wiki for many different subjects and discussions, mainly on statistics and mathematics.
# [http://www.norwill.de/mw Norwill] : A german wiki as a communication platform in order to learn programming and to implement little software projects.
# [http://prinsig.se/weekee r300z]: An english wiki that provides information about installing linux on the conpaq r3000 laptop as well as the similar HP z5000 series.
# [http://wiki.twedutest.com WikiTeamWork] A tradtional Chinese wiki for many subjects, mainly on education test, performanc assessment, and elearning.(????)
# [http://bloggedin.org/wiki/ Blogged In Wiki] : Blogged In wiki
# [http://www.nik.co.nz/index.php/Main_Page] : An English wiki based in NZ for Tropical Fish.
# [http://www.trhodes.net TRHODES (dot) Net] : A personal wiki open to anyone to use for personal topics of interest.
# [http://wiki.openflyers.org OpenFlyers] : Opensource flying clubs booking software wiki.
# [http://www.enciclospy.com EncicloSpy] : spyware,adware and more.
# [http://www.union.ic.ac.uk/rcc/canoe/mediawiki/ Imperial College Canoe Club] : used as a CMS and organisational tool.
# [http://www2.sosdg.org/~phroziac/ Soviet Michigan]
# [http://www.jimmay.co.uk/wiki/ Jimmay.co.uk Wiki], For absolutly anything, but mainly for my unfinished projects.
# [http://wiki.jtkl.com/ The Backpackers Rucksack]: A project which aims to provide free, accurate and reliable travel guides for backpackers, by backpackers.

== Private company wiki installations ==
# [http://www.4bridges.com/ 4Bridges eLearning Systems] uses MediaWiki for internal documentation and for their Employee Handbook.
# [http://www.adam.com.au Adam Internet]
# [http://www.advancedgaming.biz Advanced Gaming Systems], Internal Wiki to faciliate agile development of "The Next Harpoon".
# [http://corp.aol.com/ AOL] uses MediaWiki for internal documentation
# [http://www.aperture.com Aperture Technologies, Inc.] see [[User:Nick Pisarro, Jr.|NickP]]
# [http://www.aspm.net ASPM]
# [http://www.aussieuggboots.com.au Aussie Ugg Boots] Ugg boot retailer. Used MediaWiki to create a website the non-technical owners could maintain themselves.
# [http://www.belnet.be BELNET] the Belgian research and education Network, uses MediaWiki for internal documentation
# [http://www.brickintheyard.com/ Brick in the Yard Mold Supply] a private website using MediaWiki for dynamic content.
# [http://www.cadence.com.au Cadence Web Development] website design & development agency in Australia. Uses internal wiki for product development.
# [http://wiki.case.edu Case Wiki] - [[en:Case Western Reserve University|Case Western Reserve University]]
# [http://www.creativeusacorp.com Creative Usa Corporation] web design and consulting company.
# [http://lib.custis.ru CustisWiki] a public knowledge base of [http://www.custis.ru Customized InformSystems]. All content (in Russian) replicated from intranet MediaWiki's.
# [http://www.cypheredge.com CypherEdge] (fka [http://www.cyphermetrix.com Cyphermetrix]), for internal corporate & engineering knowledge base
# [http://www.digitaldistrict.de Digital District Internetagentur], for coordination of the iso9000 audit and certification
# [http://www.FireBright.com FireBright, Inc.] The Open Source CMS company.
# [http://insecurity.org/ InSecurity.Org :: CCSH] Open Source Development web site and open source projects security testing center.
# [http://www.insights-int.nl/ Insights International projectmanagement, programmamanagement, training en consultancy] Is currently experimenting the use of MediaWiki for (internal) documentation and collaboration.
# [http://www.interaktonline.com InterAKT Online], a Dreamweaver extensions maker, uses MediaWiki for spec'ing the next generation of its products
# [http://www.isatelematics.de ISA Telematics GmbH], German ISV in the Telematics/GPS/GSM sector. Using MediaWiki internally to maintain their site in multiple languages. A static copy of the content is synced to the Web server at a button push.
# [http://www.it-linux-days.de/wiki/ IT/Linux Days event planning]
# [http://www.log.pt log internet consulting], a opensource consulting firm in Portugal
# [http://www.jpsband.org/wiki/Main_Page JPSBand] &mdash; Music department that uses MediaWiki as a content management system
# [http://www.kampeerbungalows.nl/ Kampeerbungalows], Dutch website about vacation accommodations, uses MediaWiki to create and render dynamic content.
# [http://www.mobygames.com Mobygames], Online Games Database. Used for quick colaboration between staff, however the public site runs off of a custom database and not in wiki format.
# [http://www.metropatrol.org/ Metro Patrol Services] Private Police agency. Used for internal collaboration and Standard Operating Procedures
# [http://www.sly.nm.ru/ MTA SZTAKI], Computer and Automation Research Institute of the Hungarian Academy of Sciences for internal documentation at Internet Applications Department
# [http://www.mvlife.com/wikimvlife/index.php/Main_Page Mvlife]
# [http://newthinking.de newthinking] use MediaWiki for Documentation, internal organisation, writing and reviewing of articles etc..
# [http://www.nvidia.com NVIDIA] uses MediaWiki for some internal documentation
# [http://www.omroepvenray.nl/ Omroep Venray] is a local public radio station in the Netherlands that uses MediaWiki for internal documentation and information exchange.
#[http://www.protocomtech.com.au Protocom Technology] a mobile messenging infrastructure and software supplier using MediaWiki to provide customers with support and references at [http://www.protocomtech.com.au/mediawiki ProtocomWiki]
# [http://www.siteconfidence.co.uk/ Site Confidence] is a web site monitoring company using MediaWiki for internal knowledge management and documentation.
# [http://www.smwm.com SMWM], an architecture and urban planning firm based in San Francisco. Intranet, Knowledge Base, and internal documentation.
# [http://library.sonoma.edu Sonoma State University Library] uses MediaWiki for internal documentation and information exchange.
# [http://www.sourcerers.org/wiki/ Sourcerers.org Official web site], the team developing WOTU, and other open source projects
# [http://www.lionsclubs.ch/wiki/ Swiss Lions Clubs Wiki], for collaborative topics of common interest outside the official website of [http://www.lionsclubs.ch Lions Clubs International Multiple District 102 / Switzerland-Sschwiez-Suisse-Svizzera/Liechtenstein]
# [http://www.debating.rexlibris.net/flexicontribute/ Sydney Boys High School Debating Contribution System]
# [http://www.travel-penguin.com Travel Penguin], Open World's latest travel portal uses MediaWiki as a content management system for the destination guides.
# [http://www.ups.edu The University of Puget Sound]
# [[:w:Gartner]]
# [[:w:Novell]] as the official internal Wiki implementation
# [http://www.ordinavisionworks.nl Ordina VisionWorks] uses MediaWiki as internal collaboration and knowledge management tool
# [http://www.commvault.com Commvault] uses MediaWiki for internal documentation, information exchange and knowlegde base.
# [http://www.sly.nm.ru/ Commvault] uses MediaWiki for internal documentation, information exchange and knowlegde base.
# [http://www.dimenticatoio.it/ Anni 80] an Italian Encyclopedia about culture and memories in the 80's

==Other==
# [[en:Distributed Proofreaders]]' software uses MediaWiki's difference engine for viewing differences between proofed pages.
# [http://www.marcomblog.com/wikimedia/index.php?title=Main_Page MarcomWiki] is intended for my public relations classes for projects and introducing students to CMS applications
# [http://www.cmos.name cmos.name] is a web presentation of a hacker group which uses MediaWiki as some form of content management system with modified stylesheets hiding the wiki functionality to a normal visitor
# [http://www.globatic.com Globatic] is a spanish company that uses MediaWiki to content usefull internal documents
# [http://wikipedia.linuxparatodos.net LPT Wikipedia], is an encyclopedia about GNU/Linux in Hispanic speech.
# [http://www.aixmarseille.com Aixmarseille.com] contains resources concerning linux, wireless, security ...
# [http://www.uia.org Union of International Associations], INGO providing information on the global civil society, uses MediaWiki for internal documentation.
# [http://arc.nucapt.northwestern.edu NUCAPT], Northwestern University Center for Atom Probe Tomography
# [http://wyki.org Wyki], Spanish '''wyki''' of esoteric symbols & writers
# [http://wiki.genealogy.net GenWiki] is the German and English Genealogy wiki, managed by the Verein für Computergenealogie (Germany)
#* http://wiki-de.genealogy.net German version
#* http://wiki-en.genealogy.net English version
# [http://www.whizlabs.com IT Certification]
# [http://www.bgsec.org/ SEC] is the Bulgarian competitive operators association
# [http://semanticwiki.jp/ Semantic Wiki]
# [http://wiki.bap.net/ Shinsei-Sanbika Wiki](新生讃美歌ウィキ) is a wiki on a Japanese hymnal (Japanese language).
# [http://www.researchintelligentdesign.org ResearchID.org - Researching Intelligent Design] a wiki cataloguing research applications of Intelligent Design, login required for editing.
# [http://www.inesystems.com Java Certification ] un certified java programmer Certification Exam details with questions prepared by experts.
# [http://www.iamdefiant.com/wiki/Main_Page IamDefiant] Test wiki

==Commercial providers of Mediawiki hosting==
These providers host MediaWiki wikis for others, deriving their income from ads or fees.

===Portable (with full database access)===
This includes hosts of completely independent MediaWiki projects (those where each project has complete access to its whole database, so it can switch host by creating a database dump and loading it at the new hosting provider).

; [http://www.vacilando.org/index.php?x=4229 Vacilando.org]. Are database dumps available? Appears to be a web host which offers Mediawiki installation service.
:* Database dumps can be provided automatically if requested. --[[User:Tjfulopp|Tjfulopp]] 21:53, 25 May 2005 (UTC)

===Non-portable (without full database access)===
This includes hosts where limitations make it hard or impossible to transfer a project to a different hosting provider.

; ([http://wikia.com/ wikia.com]) : A collection of wiki communities. No portability between sites (shared user table, hence no user table access, so you lose your user data if you switch hosts). The article database (current and old table) are publically downloadable.

==See also==

# [http://wikiindex.com WikiIndex] - a wiki of wikis, not just those using MediaWiki


This page exists to serve as a soft redirect for incoming links.


[[Category:MediaWiki]]
[[Category:MediaWiki]]

Revision as of 16:40, 11 April 2006

Template:SitesUsingMediaWikiMultiLingual

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