Sites using MediaWiki/en

''This is a list of sites that are using MediaWiki and that are written or provided in English language. For wikis in more than one language (including English) see the multilingual list.''


 * Feel free to add your site to the list, but please stay close to the given format:


 * Please keep the description short and free of advertisement. You don't have to state that your site is "a wiki about ..."; all listed sites are wikis.
 * New entries will be checked. Unreachable sites or sites that don't use MediaWiki will be removed.
 * Last complete check: 2006-02-11

Wikimedia Wikis
Due to the large number of Wikimedia foundation wiki's (Wikipedia, Wikiquote, Wiktionary, Wikiversity, etc), they are not included on this list. For a list of projects, see Sites_using_MediaWiki/Wikimedia. For the complete list with all languages, see this page.

#

 * 350z Technical Guide :Info on the Nissan 350Z and a few other cars.
 * 43folders :Productivity and time management practices, "life hacks and other smart heuristics", and more!
 * 303dia :Nonsense at it's best.
 * 3D Game Comparison :Game vs. game. No hype; just facts.™ Compares various 3D computer/video games attributes/features: 3D engines, player characters, level/world design, weapons, NPCs (non-player characters), inventories, and more.

A

 * AccessNotes - http://www.myaccessnotes.com :The future of note taking; powered by students.
 * Achievo.org - achievo.org :Documentation of the open source projects Achievo, Achievo ATK and Achievo WDE.
 * Active Worlds Wiki - activeworlds.wikia.com: General encyclopedia for the 3D, online, chat-build, multi-user environment Active Worlds.
 * AdCiv.org - AdCiv.org : Advanced Civilization and post-scarcity enabled by open-source design and engineering
 * ADG Art Direction Wiki - wiki.artdirectors.org :Online community and knowledgebase relating to new and classic technologies relevant to the art of film design.
 * AdLogger - AdLogger :Open-Source click fraud prevention software
 * aDTVinfo - adtvinfo.bacco007.info :Australian Media
 * Agora Opus - agoraopus.org :Technical analysis
 * AiDKlinik Wiki - AiDKlinik Wiki : Drug safety system
 * AIDS Wiki - AIDS Wiki :AIDS dissident website
 * AirsoftWikiNZ - www.airsoftwiki.icebytes.co.nz: NZ specific wiki on the sport of Airsoft
 * AJS.COM - AJSWiki :Personal site; gaming topics; mushrooms and mycology
 * Akron Wiki - wiki.coolpeoplefromakron.com :Akron's only wiki, featuring cool local goodness that only Akronites would know
 * ALA Chicago 2005 - meredith.wolfwater.com :The 2005 ALA Annual Conference in Chicago (unofficial wiki)
 * Alfresco - Alfresco.org :Document Management System
 * AAH - AllAroundHalo.org :A Halo wiki.
 * Alloscomp Wiki - :Small, gaming-clan based wiki
 * Allotments4All - allotments4all.co.uk :Allotment and Gardening discussion forum using Joomla, SMF, and mediawiki
 * Alt-StarFleet-RPG Bureau of Information - boi.alt-starfleet-rpg.net :Star Trek-based shared fiction writing club wiki
 * Amusement Wiki - editthis.info/Amusement :Wiki created entirely for fun. It should not be taken seriously!
 * Ancestor Notes - AncestorNotes :A wiki where people can post history and other information about their ancestors. Posts about ordinary people are allowed.  They do not have to be famous, though posts about famous people are welcome too.
 * Andongkim.org - Andongkim.org : Wiki about the Andongkim Korean Family Clan, History, and lineage.
 * AngelusFacts FraudNet Wiki - rolandmthomas.com :An anti-fraud site for victims of serious economic crime in St. Kitts, West Indies
 * AnswerWiki - AnswerWiki.com :A free user generated question and answer portal
 * Appeal - appeal.kde.org :Progressive development and organizational concepts as applied to the KDE project
 * Appropedia - appropedia.org :Library of appropriate technology, with textbook style topics and how-to style projects.
 * Aquaticdatabase - aquaticdatabase.com : A database aimed at aquarists. Previously a database of the phylum cnidaria
 * Arcapedia - Starcadia.org/wiki :Devoted to the Star Trek: Arcadia interactive fiction group and all of its spinoffs
 * Archlinux wiki.archlinux.org :Linux wiki
 * Armeniapedia - armeniapedia.org :Information about Armenia
 * Asian Business Round Table - AsianBusinessRoundTable.com :Resource guide for Asian business owners, entrepreneurs and executives.
 * AskDrWiki - askdrwiki.com :A Medical Wiki for practicing physicians, residents, and medical students.
 * AstroWiki - astrowiki.org :An open content encyclopedia on amateur astronomy and telescope making
 * Atléticopedia - wiki.atleticomadrid.de/en :Club Atlético de Madrid S.A.D. wiki
 * Aussie Ugg Boots - aussieuggboots.com.au :Sellers of genuine Australian Ugg Boots.
 * Automowiki - Automowiki.com :A wiki about working on cars.
 * Avant Browser Wiki - DrDrrae.COM/wiki/ :Official Wiki for Avant Browser
 * AvatarRP - AvatarRP.info : A fansite for Avatar the last airbender
 * AvatarRP/Poetry - poetry.AvatarRP.info : The prettier looking Avatar poetry subsite. It utilizes a lot of features in MediaWiki throughout the site and also used html to make it look even prettier!
 * Avlis Wiki - avlis.org :Documenting the rules and evolving history of the NWN game persistent world Avlis
 * Award Annals - awardannals.com :Documents and ranks the most-honored creative works in recent history. Literature, film and music are ranked by the award honors they have received.
 * AWUW - wiki.SimPlaza.net : About the 3D chat software "ActiveWorlds"
 * AX25Wiki - www.ax25.org :Information about AMPRNet
 * Axaptapedia - axaptapedia.com :Microsoft Axapta programming tips

B

 * Balisongtimes - balisongtimes.com : Community driven resource for balisong enthusiasts
 * Baseball Reference Bullpen:baseball-reference.com/bullpen
 * Battlestar Wiki - battlestarwiki.org :Battlestar Galactica episode and character guides (original and new series).
 * BelegarthWiki - geddon.org :An open source project created, written, & edited for the Belegarth Medieval Combat Society, a full-contact sport where participants engage in combat using foam padded representations of medieval weapons.
 * Berlin by Numbers - www.bbno.info :The free Berlin guide that anyone can edit from a mobile phone
 * Biblebase.com - wiki.biblebase.com :a one stop Bible resource site.
 * Big Wall Climbing Wiki- bigwalls.com/wallwiki :A site where climbers can upload big wall information.
 * Biographiki - biographiki.org :A site where people can upload their own biographies, something wikipedia does not offer.
 * Bishopbriggs Parkour - andrewsmillie.co.uk/spk :Bishopbriggs Parkour is dedicated to Parkour in the Bishopbriggs area of Glasgow, Scotland
 * Blender foundation - wiki.blender.org :Graphics animation and video production program
 * Bluecortex - www.bluecortex.com : Complex Systems topics
 * BluWiki - BluWiki.com :Free MediaWiki web host
 * BMOSS - www.bmoss.net : Business Membership Organizations Support System. Wiki and blog with focus on non-profit BMOs in developing countries.
 * BOINC Wiki (Unofficial) - boinc-wiki.ath.cx :Distributed scientific research participants and projects using Berkeley Open Infrastructure for Network Computing, BOINC
 * Bob's Variety Site - www.stuermertechnology.com/wiki/index.php : For all your random needs!
 * BonWiki - bonwiki.com :All things Bonaire, Netherlands Antilles
 * Bondpedia - bondpedia.net :Wiki devoted to James Bond
 * Bollywood - wiki.bollywood.tv :Sowing the seeds for a comprehensive, accurate and informative encyclopedia on Bollywood and the Indian film industry in general.
 * Boobpedia - Boobpedia.com :Encyclopedia of women with big boobs. Includes busty celebrities, models, adult performers, and amateurs.
 * BotanicWiki - Sagescript Institute :Botanical and herbal information especially as it pertains to skin care.
 * BoyWiki - boywiki.org :Records and preserves the history, culture, and heritage of boylovers.
 * Brewwiki - www.brewwiki.com :How to make your own beer.
 * Bromwiki - www.bromwiki.net :Information on the tropical pineapple plant family.
 * BrushwellOnline - www.brushwellonline.co.uk :Brushwell Clinton's furry wiki.
 * Buddhist Encyclopedia - Buddhism.2be.net :Encyclopedia of Buddhism with articles, videos and audios of all Buddhist traditions including the Theravada, Mahayana and Vajrayana.
 * Bug Wiki - :Catalogue and Discussion of Insect, Spider, and other invertebrate life in Nature & Care in Captivity.
 * Bulbapedia - bulbapedia.bulbagarden.net : Community-driven Pokémon encyclopedia. A member of the Encyclopaediae Pokémonis group with the German PokéWiki and Japanese ポケモンWiki
 * Bustypedia - www.bustypedia.com :Big boobs...in a wiki! (warning pornography link site)
 * BusyTonight - busytonight.com/wiki :Free city guides

C

 * CPNN Wiki - cpwiki.co.nr : An encyclopedia dedicated to Club Penguin.
 * C# Online.NET - en.csharp-online.net/, de.csharp-online.net/, es.csharp-online.net/ : Wiki-based C# and .NET reference of articles, forums, and tutorials.
 * C&amp;C Modding Encyclopedia - ModEnc.RenegadeProjects.com :A project to provide one central source of modding knowledge for the Command &amp; Conquer series of games
 * CapeInfo.com - CapeInfo :developing a collaborative tourism Vision for Cape Town
 * CarterWars Sexadex - Sexadex :CarterWars Series Information wiki
 * CaseWiki - wiki.case.edu :Case Western Reserve University wiki
 * CastleCopsWiki - wiki.castlecops.com : CastleCops.com computer security assistance forums and wiki information repository.
 * Center for Biomedical Research Informatics - CBRI :Center for Biomedical Research Informatics at the University of Minnesota
 * Center for Biomedical Research Informatics / Software Development - SWDev CBRI :Software Development group of the Center for Biomedical Research Informatics at the University of Minnesota
 * Chainki - www.chainki.org :An open content wiki directory based on Dmoz data.
 * Chains of Reason - chainsofreason.org :Provides a unique way for anyone to follow, and contribute to, arguments for and against particular beliefs.
 * ChaoseedWiki - chaoseed.com :Chaoseed Productions wiki, web-based games and writing projects
 * CheatCodeWiki - CheatCodeWiki.org : This is a massive wiki dedicated solely to cheat codes.
 * ChesterWiki - Chester Wiki :Community Site for Chester, England
 * ChristianMedia.ca - ChristianMedia.ca : ChristianMedia.ca provides the history since 1867 of Canadian Christians working, volunteering and ministering in media in Canada
 * CIRLWiki - cirl.missouri.edu :Wiki/Website for the Computational Intelligence Research Lab at the University of Missouri - Columbia
 * CircassianWiki - www.adygaunion.com: Circassian(Adyge) history and culture wiki, by Worldwide Circassian Brotherhood (WCB)
 * CISSA - CISSA.ca :University College of the Fraser Valley's Computer Information Systems Student Association (UCFV CISSA)
 * ClawsOrPaws Software Wiki - clawsorpaws.com :Software catalogue and userguides - primary focus is on freeware and open source software
 * CoastalZone | ZonaCostera | KüstenZone | FrangeCôtière | KustStrook | .Info :Community site with relevant and on-time information, useful for the integrated management of the coastal zones of our world. Integrated development is everybody´s business!
 * CoCoWiki - coco25.com :Tandy/TRS-80 Color Computer
 * Code-Compiler - Code-Compiler.com :A cross-compiler and translator for Fortran and Cobol to other languages
 * coDEVwiki - en.coDEVwiki.org :A cooperative software development wikl.
 * Collaborative Landscape - CollaborativeLandscape.org :Site devoted to research, practice and education in landscape architecture, urban design and planning
 * Combined Community Codec Pack - cccp-project.net :Information and help for video playback in general and CCCP solutions in particular.
 * Comedy Club London - comedy club london :Information about comedy clubs in London
 * CommunityManuals.com - communitymanuals.com/shiii :Community developed manual for Silent Hunter III (submarine simulation game)
 * Conbledegook - The Conbledegook File :Alex Holden's glossary of Eastercon-related jargon.
 * Consumerium - develop.consumerium.org :Fair trade, political consumerism, and moral purchasing trends
 * ConveyorWiki - ConveyorWiki.com :ConveyorWiki.com is the "Wiki" or "Encyclopedia" for Conveyor, Conveyors and Conveying.
 * Computerpedia -ComputerPedia :Computer encyclopedia as well as a database of spyware and many other things.
 * Cooperative Linux Wiki - wiki.colinux.org/mediawiki :Wiki for developers focused on the Cooperative Linux (CoLinux) project
 * Cowboy Bebop Space Cowboy - Cowboy Bebop: Space Cowboy: A wiki devoted to the anime Cowboy Bebop, and a MUD based on said Anime.
 * CPPLC Wiki - cpplc-wiki.mine.nu :A collection of tutorials and information relating to the C and C++ programming languages.
 * Crazy Hacks - crazy-hacks.org :Crazy software- and hardware-projects of geeks all around the world
 * CreationWiki - creationwiki.org :Encyclopedia of creation science
 * Creative Commons - wiki.creativecommons.org :Compendium of development information for Creative Commons tools
 * CS Wiki- cs.calstatela.edu/wiki/ :A wiki used in the Computer Science Department at California State University, Los Angeles.
 * Cunnan - cunnan.sca.org.au :Information for re-enactors of the Middle Ages and Renaissance
 * CycleChaos- Motorcycle Wiki :Encyclopedia focusing on motorcycles.

D

 * D&D Wiki - dandwiki.com :A collection of Dungeons and Dragons material both homebrewed and SRD.
 * DamsWiki - damsulegna.net :Documentation and user manual's for the mIRC Client Dams2k4 and IRC game DamsIRPG.
 * DCDatabase - dcdatabaseproject.com :DC Comics information and image database
 * Dedupe Project - dedupe.sourceforge.net :Open Source Fuzzy Matching & Deduplication Project
 * DevWiki - devwiki.net :General Linux material.
 * DharmaFlix - DharmaFlix.com :Buddhist & Spiritual Film Video Wiki
 * Diffen - Diffen.com :An encyclopedia of comparisons and differences.
 * Dirtopia - dirtopia.com :The free off-road encylopedia
 * Discourse DB - discoursedb.org :a database of political commentary, including print and online sources
 * Discriminating Employer - discriminatingemployer.com :Against discrimination in the workplace
 * Discworld & Pratchett Wiki - wiki.lspace.org :Everything about Terry Pratchett and his Discworld book series
 * Distributed Proofreaders - pgdp.net/wiki : A wiki for documentation and collaborative tasks at Distributed Proofreaders
 * dKosopedia - dkosopedia.com :A political encyclopedia built by the DailyKos community
 * DNSRBL.org - dnsrbl.org :DNS blacklist and spammer fighting information source
 * DOS Games Compatibility Wiki - wiki.classicdosgames.com :Compatibility knowledgebase for running DOS games on modern computers
 * DssWiki - www.DssWiki.net :The online Satellite Encyclopedia!
 * Dreamhost - wiki.dreamhost.com :Customer wiki for the webhosting company Dreamhost
 * DueWiki - www.duewiki.com :A wiki dedicated to local and historical resources for Real Estate Due Diligence researchers.
 * DunedinShopping.co.nz Wiki - Dunedin Shopping Wiki :A wiki associated with a virtual tour of the main pedestrian shopping district in Dunedin, New Zealand
 * DwarfWiki - http://www.observationdome.org/wiki :A Wiki dedicated to the BBC2 Sci-Fi show, Red Dwarf.

E

 * e107 - e107.org :e107 is a content management system written in php and using the popular open source mySQL database system for content storage. It's completely free and totally customizable, and in constant development.
 * e107 mods wiki - digitaerie.com :Enhancing the e107 CMS through modification
 * EarthWiki - kayatana.com :Sustainable Development, Conservation and the Environment
 * ECGpedia - ECGpedia.org :ECG (heart tracings) course
 * Eclipsepedia - wiki.eclipse.org :The Eclipse Open Source Project Wiki


 * ECU CS Department - - East Central University Ada, Oklahoma: Computer Science Dept
 * EggeWiki - theeggeadventure.com/wiki: Brian Egge's coding tips and scrapbook
 * Electoral Reform - ElectoralReform.Wikia.com: Voting Systems and Electoral Reform
 * ElvisPedia - ElvisPedia.org :Elvis Presley Encyclopedia
 * Encyclopædia Dramatica : A website devoted to parodying everything on the Internet, such as its users and memes.
 * EncyclopediaFantastica - EncyclopediaFantastica :The fantasy and sci-fi encyclopedia
 * Encyclopedia of Pointless - eopoint.com: An eight-year-old humor website that switched to MediaWiki two years ago.
 * EncycloWine - encyclowine.org :For wine enthusiasts. All aspects of wine are covered, from the types of wine, countries and regions, the winemaking process, wine tasting, terms, culture, and history.
 * Entrada Utah - entradautah.com :Destination travel guide to Utah National Parks and visitor attractions
 * envirowiki - envirowiki.info :environmentalist and activist resource
 * Eshralopedia - Eshraval.com :Encyclopedia for the geofiction online game Eshraval: A Nation of Your Own
 * EvoWiki - cotch.net :Evolution education, biology, and origins. Repository for mainstream scientific responses to common intelligent design and creationism arguments
 * Expertepedia - :Expertepedia is providing all-in-one services including Encyclopedia, video, music etc..

F

 * FaithfuturesWiki - faithfutures.org :Historical Jesus research project
 * Fan Fiction History Wiki - fanhistory.com :Documenting all things related to fan fiction history
 * Faqs4games - www.faqs4games.com :A wiki primarily for video game cheats and faqs.
 * FAQ Farm - www.faqfarm.com :Questions & answers on any topic
 * FFXIclopedia - http://wiki.ffxiclopedia.org :THE Source for Final Fantasy XI information.
 * theFireWiki.org - www.theFireWiki.org :An online knowledge base for the fire service.
 * Flashopedia - flashopedia.net :A Wiki about Flash. The flash wiki.
 * FlyerWiki - en.flyerwiki.net :All about flying and travelling
 * Folding@Home - Folding@Home :Folding@Home is a distributed computing project aimed at understanding protein folding, misfolding, and related diseases.
 * Folktunes Archive - folktunes.org :Archive of folk tunes for teaching and learning
 * FraternityManuals - fraternitymanuals.com :Manuals and resources for all fraternal organizations
 * Free Geek - wiki.freegeek.org :Free Geek, a nonprofit organization which puts unwanted computers back into use to benefit deserving volunteers and nonprofits.
 * FreeTrails - FreeTrails.org :Backpacking and related topics, a copy-left project.
 * Freespire - freespire.org :Wiki for the Linux distribution Freespire.
 * FLindersStudents - : A Student guide to flinders uni

G

 * G503Wiki - wiki.g503.com :Wiki for the worlds #1 WWII jeep and military vehicle internet resource.
 * Gaiapedia - Gaia.Wikia.com : Community dedicated to documenting the largest English speaking forum on the internet. (GaiaOnline)
 * Galbijim Wiki - http://wiki.galbijim.com : Information on South Korea, specifically from the point of view of the expat in the country.
 * Game Innovation Database - www.gameinnovation.org : Documents the history of videogame innovation.
 * Game Programming Wiki - gpwiki.org : game programming tutorials and source code for a variety of languages and platforms.
 * Gammu+, Gammu, MyGnokii - www.gammu.org :Free tools and software for cellular devices and phones
 * ganfyd - ganfyd.org : Resource for medical professionals
 * GenieWiki - :For the three games using the genie engine - Age of Empires, Age of Kings and Star Wars: Galactic Battlegrounds
 * Gentoo-Wiki - gentoo-wiki.com : Gentoo linux community
 * GISWiki - en.giswiki.org :Geographic information system, news, meetings and information
 * Glen Cook Wiki - www.glencook.org : Author Glen Cook Reference Site
 * Globulation2 - globulation2.org :The game Glob2
 * GLOKAL-Marketing - www.glokal-marketing.eu : A wiki forum for marketing people
 * Greekopedia - www.Greekopedia.com :A wiki about college fraternities and sororities.
 * GridPP - wiki.gridpp.ac.uk :GridPP, UK Computing Grid for Particle Physics.
 * GROMACS - wiki.gromacs.org : for the molecular dynamics simulation software GROMACS.
 * Grumbling Dwarf - www.GrumblingDwarf.com : Community table-top game site for southcentral Wisconsin region.
 * GTI - community.gti.se : Community for students and their teatchers in a small university in sweden.
 * Guild Wars Wiki - wiki.guildwars.com :The official Guild Wars Wiki, information on all aspects of the MMO, Guild Wars.
 * GuildWiki - GuildWiki.org : a wiki guide for ArenaNet's Competitive Online RPG, Guild Wars.
 * Guitar(Wiki) - Wiki Guitar : Community based on teaching Guitar to others. Good stuff.
 * Gungfu Dojo - Gungfu WikiDojo Listings :The Online Resource of Martial Arts Schools, Training Centers, and Dojos throughout the world and the USA.
 * Gurudwara Shri Paonta Sahib - http://www.gurudwarasrishergahsahib.org : We are working on Implementing this site in Wiki, Will be live Soon.......
 * GWwiki - hackwurld.com/gwwiki : A collaberative effort to flesh out the official setting for the HackMaster role-playing game, Garweeze Wurld.

H

 * Halo Mod Maps Wiki - Halomodmapswiki.tk :Wiki for Halo Mod Maps.
 * Hardware Book - www.hardwarebook.info :Cable and connector pinouts along with technical specs of computers and consoles.
 * Hardwood Investments Wiki - wiki.hardwood-investments.net :A wiki about investing in teak plantations and other hardwood/forestry investments
 * Hattrick Wiki - wiki.hattrick.org :Encyclopedia concerning the online football manager game www.hattrick.org
 * Hay Interiors - hayinteriors.com.au:Comprehensive soft furnishing business
 * High School Alumni - www.hsalum.com :For graduates of United States-based high schools to keep up with one another
 * Hitchwiki - hitchwiki.org :Information about hitchhiking.
 * Holoprosencephaly.net - www.holoprosencephaly.net : Offers information about holoprosencephaly and the care of a child with HPE
 * HomeInspectionWiki - HomeInspectionWiki :Resources for home inspectors and inspections, including industry terms, photos of terms, standards of practice, etc.
 * Homestar Runner Wiki - hrwiki.org :Knowledge-base about the cartoon series Homestar Runner
 * HookahWiki - www.hookahwiki.com :Knowledge-base for Hookah and Shisha related information.
 * Horological Wiki - clockmakers.archivist.info :Encyclopedia of all thats horological
 * How Shall We Then Live? - HowShallWeThenLive.com :Knowedge base and information site regarding the question of life, death, how to live, how one should live, observations on life, the living, ways to live, why we should live or die and all the interesting questions we have while alive about life itself.
 * howtopedia.org - http://www.howtopedia.org :(en,fr,es) Howtopedia is a library for practical knowledge and simple technologies. It focuses on development tools.

I

 * isaacpedia.com - isaacpedia.com :Isaac's Wiki. Genereal information about interesting topics.
 * iFilmConnection.com - iFilmConnection.com :Independent film maker's resource center. Information on film making, guerrilla film tactics, how to's, directing, producing, lighting, financing, and more.
 * ILoveDrink.com - ilovedrink.com :Pub and club reviews and alcohol information!
 * iMarketingGuru.com - iMarketingGuru.com :The SEO/SEM 3.0 Wiki illustrating all tactics of site and link building as well as traffic generation.
 * Industrial Design Wiki - industrialdesignwiki.com :An Industrial Design resource listing links and descriptions for those links to useful resources for Industrial Designers.
 * infoAnarchy Wiki - infoanarchy.org :Information related to file sharing, copyright, the gift economy, cyber liberties, peer to peer research, information tools, and similar topics
 * InfoEng.SourceForge.net - infoeng.sourceforge.net : Open source software to create digital financial instruments with digital information as the underlying asset.
 * Intellipedia - : Classified U.S. government intelligence gathering wiki
 * International Music Score Library Project - www.imslp.org :A virtual library containing public domain musical scores, as well as scores from composers who are willing to share their music without charge.
 * Invader Zim Wiki - the-mu.net or themu.5gigs.com/wiki :A compendium of Invader Zim knowledge, transcripts, and fan things.
 * Invertebrate Wiki - :Catalogue and Discussion of Invertebrates in Nature & Care in Captivity.
 * IpbWiki - www.ipbwiki.com :Integration of Invision Power Board with Mediawiki.
 * iPodLinux - ipodlinux.org :The main documentation and development information resource for the iPodLinux project.
 * ieXbeta Wiki - iexbeta.com :ieXbeta's wiki is about operating systems and software applications.
 * iamdogWiki - iamdogWiki :iamdogWiki is to be a collaborative effort to develop a true political party platform for "normal" people, not the fringes in both directions.
 * ISBTwiki - webapptst.lasalle.edu/wiki :Wiki for the Integrated Science, Business and Technology (ISBT) Program at La Salle University in Philadelphia, PA  USA.
 * IslandWiki - IslandWiki.com :Caribben island information by travelers, for travelers.

J

 * Janapar - Janapar :Janapar is the trail leading trekkers and hikers through Karabakh.
 * Jajuk - jajuk.info : Jajuk is software that organizes and plays music. It is a fully-featured application geared towards advanced users with large or scattered music collections.
 * JewishPedia - Jewishpedia :Forging to Create A Comprehensive On-Line Jewish Encyclopedia
 * Jgene Wiki - jgene.org/wiki:Jewish Genealogy Site
 * Jignasa - jignasa.net :Site for Sharing knowledge
 * Jmol - Jmol wiki :Jmol is a Java molecular viewer for three-dimensional chemical structures.
 * Jnana Base - jnanabase.org :General wiki knowledge base
 * Jokeist - jokeist.com :Jokes website Jokeist.com, a non-profit Jokes Wiki
 * Jumba Support Wiki - wiki.jumba.com.au :Customer support for hosting, broadband and other Jumba Interactive services maintained by Jumba customers

K

 * K12wiki - myshortpencil.com :Pre-K-12 U.S. public school project
 * Katrina Help - KatrinaHelp.info :Community assistance for victims of hurricanes Katrina and Rita
 * kekePower - wiki.kekepower.com : kekePowers Information By-Way
 * Kerneltroubleshootomatic - kerneltroubleshootomatic.co.nr :Computer knowledge base with wiki and forum.
 * KneeQuickie - wiki.penguindeskjob.com:Conlanging, ZBB-community
 * Know Home Schooling - knowhomeschooling.com : Home Schooling Guide
 * KoL Wiki - kol.coldfront.net : Information and spoilers for Kingdom of Loathing, a web-based MMORPG
 * kpopwiki - kpopmusic.co.uk :Asian music
 * Krass - krass.com :Techno in Barcelona, Germany and London.
 * Kunkelfruit Wiki - Kunkefruit Wiki : The web home for collaborative articles about how popular products are made.
 * K-Wiki - K-Wiki : Project management tools

L

 * LabVIEW Wiki - wiki.lavag.org :Dedicated to the LabVIEW programming language.
 * Law4u- www.law4u.net :All about Law
 * Lehigh Engineering Heritage Initiative - www.lehigh.edu/heritage :Database of biographies of successful members of the Lehigh University engineering community
 * Lemonia - happyhrs.net/lem :A Virtual World (Presented like a "MUD")
 * Libra - webbed.org/libra :A collaborative novel
 * Lilisto's Wiki - wiki.lilisto.com :Lilisto personal bookmark manager's help section
 * Linux Questions - linuxquestions.org :A General Linux Self-service Technical Support Forum
 * Link Building Wiki - Link Building Wiki :Link Building and Link Popularity
 * Lost Souls - lostsouls.org :A MUD with a wiki for its players and developers.
 * Lostpedia - lostpedia.com :A fan-maintained guide to the TV show LOST.
 * LoveToKnow - lovetoknow.com :A wealth of information on various topics - every field has its own wikipage
 * LURKMORE - lurkmore.com :database for chanchan and 4chan and all imageboard/internet related information
 * LyricWiki - LyricWiki.org :Over 200,000 songs w/no annoying banners or pop-ups.
 * Lyriki - The Lyrics Wiki - lyriki.com :Lyrics site

M

 * Macedonia Wiki - Macedonia Encyclopedia :Mediawiki powered Macedonia Wiki, with a beautiful skin!
 * MuslimWiki (Mw) MuslimWiki.com :The open encyclopedia on Islamic Subjects and the Muslim world from the Muslim perspective.
 * Magic Sanctum - Magical Wiki encyclopedia project :Devoted to the complete indexing and central archive of magic, magicians, illusions, and everything magical arts related!
 * Maholo - Mahalo.com : Search Engine
 * Mandriva Community Wiki - mandriva.vmlinuz.ca :A community website for Mandriva Linux users
 * Mankatopedia - mankatopedia.com :Wiki about the city of Mankato, Minnesota, USA.
 * Marlinpedia - Marlinpedia.com :Devoted to the Florida Marlins
 * MarvelDatabase - marveldatabase.com :Marvel Comics information and image database
 * Martial Arts - Martial Arts Wiki - WikiMartialArts.org: Online information and resource for Martial Arts, Karate, Kungfu, Mixed Martial Arts, Wrestling, Jui-Jitsu, Grappling, Judo, Weaponry, History of Martial Arts, Traditonal Shaolin, General Instruction, Dojo School Listings and much more.
 * Mathematical Trading and Finance - Mathematical Trading and Finance :Based around the MSc course available at Cass Business School, London
 * MeetYourAncestry - MeetYourAncestry : For family historians to preserve oral histories, share information, photos and documents, and discover the individuals behind their family trees.
 * MetaBase - BioDatabase.Org : MetaBase is a user contributed database of databases, listing all the biological databases currently available on the internet!
 * MiamiHeatwave.com Wiki - MiamiHeatwave.com Wiki :Miami Heat fan site dedicated to archiving Heat lore for posterity!
 * MicraWiki - wiki.micra.org.uk :A place where people can come and post their progress and news on all things Micra.
 * MidnightWiki - midnightwiki.com :Open information repository for indiscriminant intellectualism
 * Million Artists (Translations) - wiki.millionartists.com :Translations for Million Artists - abstract art fundraising project
 * Minnesota Fair Trade Coalition - mnftc.org : open wiki website of the non-profit organization Minnesota Fair Trade Coalition
 * Minnesota Immigrant Freedom Network - mnfr.org : closed wiki website of the non-profit organization Minnesota Immigrant Freedom Network
 * Minnesota Public Knowledge Base - mpkb.net : A Public Knowledge Base for organized activism, led by Macalester students in Minnesota.
 * MMOnlineWiki - MMOnlineWiki.com :Wiki containing information about MMORPGs.
 * Motorsports Wiki - WikiMotorsports.org :The definitive online guide to all things motorsports, powersports, auto, motorcycles, motocross, supercross, speed racing & anything with an engine.
 * Mozilla Wiki - wiki.mozilla.org :Plans of software development of the Mozilla Foundation
 * Mozilla Developer Center - developer.mozilla.org : Mozilla Developer documentation.
 * Mono Project - www.mono-project.com :Cross platform and open source implimentation of Microsoft .NET framework
 * MTG Archive - mtgarchive.net : A library of information related to the Magic: The Gathering collectible card game
 * Music-Web Music Encyclopedia - A growing Music Encyclopedia created by musicians
 * Mustangpeak Wiki Help - wiki.mustangpeak.net : Help for Mustangpeak.net software and components
 * MolecularWiki - Molecular Biology and Science Wiki
 * The Moo Guide - www.bovineconspiracy.com/mooguide : Bovine Conspiracy's repository of links and information about current and upcoming video games.
 * MyErasmus - MyErasmus.org : Obtain information and share knowledge with other Universities, students or teachers about the Erasmus Programme

N

 * NativeWiki - www.nativewiki.org :Native and Indigenous Peoples Wiki
 * NeoNoodles - www.neonoodles.com :Parenting advice and information
 * NetPedia - Netmunity.com :The great free encyclopedia of Netmunity - The Great Internet Community
 * NetworkDictionary - wiki.networkdictionary.com :Information sharing on the IT, Networking, Telecom and Computer fields
 * Neverwinter - nwn.wikia.com :A Wikia that documents Neverwinter Nights.
 * NewWays - newwayswiki.org :A community committed to environmental sustainability, social equality, and conscious consumerism through the cultivation of powerful new ideas.
 * New York City Electronic Music Collective - nycemc.ajbnet.com :A site devoted to the re-connection of the New York electronic music scene.
 * Nexopedia - wiki.nexoscms.org :A wiki dedicated to the NexOS CMS
 * Niggapedia - niggapedia.org :A wiki devoted to the black man.
 * NikkiWiki - nikkiwiki.com :Online Pornstar Encyclopedia
 * Nintendo-Scene - wiki.nintendo-scene.com :A collection of tutorials guides and information on the hacking and modification of Nintendo consoles.
 * NinWiki - ninwiki.com :Wiki for the band Nine Inch Nails
 * NSwiki - ns.goobergunch.net :A Wikipedia-style encyclopedia for the online game NationStates
 * Novell Developer Wiki - developer.novell.com/wiki/ :Novell developer wiki
 * NursingWiki - NursingWiki.org :knowledge-database for nursing and health care information
 * NetNovinar - wiki.netnovinar.net :Edithorial Ethics for online journalists Wiki.
 * Neptune Pink Floyd Neptune Pink Floyd - :A collective encyclopedia for the band Pink Floyd
 * Node, The The Node - :A collective database for the fictional sci-fi universe of 'Transit'.
 * NY Canals NY Canals.com - :Information and cruising guide to the New York State Erie, Oswego, Champlain and Cayuga-Seneca Canals.

O

 * Oberwiki - oberwiki.net :Wiki for anything and anyone related to Oberlin College and the town of Oberlin, Ohio.
 * Objectivism Wiki - wiki.ojectivismonline.net :A wiki for Ayn Rand's philosophy of Objectivism
 * Ocean Wiki - www.oceanru.com/wiki :Wiki for anything and anyone related to Hidden Knowlege.
 * Octopus Wiki - tddft.org :Software for the quantum simulation of the excited dynamics of molecules.
 * Onekopakaspace Wiki - onekopakaspace.strangled.net/wiki/ :A Wiki made for fun & collaboration.
 * ooBdoo - http://www.oobdoo.org :Center for popular information of all kinds.
 * Organic Design Wiki - organicdesign.co.nz :Exploring OO, P2P & XML within the Wiki environment
 * Open Babel - openbabel.sourceforge.net :Open source chemistry library
 * Open Clip Art Library Wiki - http://www.openclipart.org/wiki :Wiki for the Open Clip Art Library Project
 * Openbox - openbox.org :Openbox window manager
 * OpenDarwin - opendarwin.org :Open source Darwin project
 * OpenID.net - openid.net wiki :OpenID development and status
 * OpenTTD - wiki.openttd.org :Game manual and development resource
 * OpenTutorial - www.OpenTutorial.com :Tutorials About Everything by Anyone
 * OpenVZ - wiki.openvz.org :Documentation for OpenVZ - Operating system-level server virtualization, free software built on Linux
 * OpenWetWare - openwetware.org : an effort to promote the sharing of information, know-how, and wisdom among researchers and groups who are working in biology & biological engineering.
 * OrthodoxWiki - orthodoxwiki.org : An open-content encylopedia of Orthodox Christianity
 * OZONE Wiki - ozone.game-host.org :Wiki about the 3D-Oxyd called OZONE
 * Old-Computer Wiki - :Wiki about old computers and stuff (we haved moved to a new host!)
 * OverclockingWiki - OverclockingWiki.org :Overclocking information plus the software to overclock and run on your overclocked system.

P

 * PA clinical wiki - http://pawiki.webhop.biz:For physician assistant students on clinical rotations
 * Pan Greece - Greece Wiki:A Wiki all about Greece


 * Patriotic Citizens Of America Wiki - mycountryiwantitback.com/wiki :Political Wiki
 * PepperWiki - pepperwiki.chuma.org:A place to collect and share information about the Pepper Pad, a tablet-like device running Linux from Pepper Computer, Inc.
 * Pershing - http://wiki.pershingmissile.org :Preserve, interpret and encourage interest in the history of the Pershing nuclear missile systems
 * Photowiki - www.photowiki.org :photo wiki?
 * phpBB wiki - http://wiki.phpbb.cc :Unofficial phpBB wiki
 * PilotGigs - pilotgigs.info/pgwiki :Database about pilot gig racing
 * PilotWiki - http://www.pilotwiki.com/ :Information of particular interest to aircraft pilots
 * PinataIsland.info - http://PinataIsland.info :Dedicated to the Viva Piñata Xbox 360 game and television series
 * Pirates@Home - http://pirates.spy-hill.net
 * BOINC test stand, and demonstration of BOINCAuthPlugin.php, which provides automagical authentication to the wiki based on prior authentication to the BOINC project


 * Planet Sims wiki.planetsims.co.uk :A wiki about The Sims and The Sims 2
 * Plants.am - http://www.plants.am :is an encyclopedia of plants and garden information in wiki format
 * PlasticsWiki - Plastics Wiki :The wiki about plastics & polymers
 * PLAWiki - PLA Wiki :Satire wiki about open source, established by PLA - Penguin Liberation Army
 * Point Omega Research - wiki.omega-research.org :A wiki about the coming Point Omega transition
 * Posterism - posterism.com :A wiki about vintage posters, their artists and galleries
 * PoxWiki - PoxWiki.com :A fan-managed Wiki for everything related to the PoxNora Online CCG


 * PresidencyWatch - presidencywatch.com :Contains information about the US presidential election.
 * Programmers' Society - progsoc.org :A society at University of Technology, Sydney
 * PSConclave - www.psconclave.com :A wiki dedicated to the art of Pen Spinning!
 * PsychWiki - www.psychwiki.com :Creating a collaborative resource and compendium of practical knowledge about psychological research.
 * PutterPedia - www.putterpedia.com :The most complete listing of data related to Putters and putting.
 * Pyrowiki - www.pyrowiki.com :How to make fireworks, flash powder, black powder, rockets, aerial shells and more...
 * Primary - primary.formationos.net :The place for original research.

Q

 * - Qualitionary - Qualitionnaire : The purpose of Qualitionary is to create an English language glossary of terms used in the implementation of Integrated Management Systems covering:
 * the environment
 * the quality of the products and services
 * the health and safety of all stakeholders.
 * The project is not intended to duplicate existing dictionaries or to compete with any existing online reference, such as Wikipedia, but rather to augment them with definitions derived from laws, directives, regulations, and standards. Qualitionary is its French language counterpart


 * Qweki - Qweki.com :The World's Largest, Original and Most Comprehensive Qweki Listing.


 * Quadratus.ws - Quadratus.ws :Personal site.

R

 * Radiology Wiki - RadiologyWiki.org :A reference for medical imaging
 * Radswiki - radswiki.net :A radiology wiki
 * RaveWiki - ravewiki.com :A site hosting software projects (like the Rave Framework), documentations and articles
 * ReactOS Wiki - www.reactos.org/wiki :Wiki relating to the development and documentation of the ReactOS Operating System
 * RealCTY - RealCTY.org :About CTY, the Center for Talented Youth, especially its summer program.
 * RealKi - RealKi.com :Real Estate Encyclopedia
 * Reformed Word - ReformedWord :The Bible (in Greek and Hebrew), Doctrine and History from a Reformed (Calvinist), Christian perspective, emphasis on linguistics
 * ResearchID.org - ResearchID.org :Researching all issues related to intelligent design.
 * Respublica Septimontiana - Roman-Republic.com :A wiki for a micronation with a Roman Republican style government.
 * Richdex - Richdex.com :Open Free Online Directory - The largest known wiki in thw world.
 * RLDSWiki - Wikia :A Restoration Branches knowledge base, written from a RLDS Point of View.
 * RTAW Reefpedia - RTAW Reefpedia :Reefing the Australian Way Reefpedia, providing and information resource on the keeping of a marine aquarium for Australian hobbyists.

S

 * S1mp3 project - wiki.s1mp3.org :Information related to the S1 Mp3 Player
 * SacWiki - SacWiki.com : The definitive guide to all things related to Sacramento California.
 * sasCommunity.org - sasCommunity.org : The place for all users of SAS software to gather to share information.
 * Saltspring Ecovillage Education & Development Society (SEEDS) - IslandSeeds.org :Development of an ecovillage on Salt Spring Island, BC, Canada
 * SCI Team Wiki- www.sciteam.ubc.ca :A peer program group from the University of British Columbia
 * Scion Tech- www.scion-tech.org :A site for the Toyota Scion line of cars: tC, xA, xB, xD.
 * Scramble- scramble.nl :All about aviation.
 * Seattle Wiki - seattlewiki.org :The city of Seattle and surrounding area
 * Second Life History Wiki - history.secondserver.net: Historical record for the 3D, online, chat-build, multi-user environment Second Life.
 * ServerWiki - www.serverwiki.org :For Game Server Administrators, covers setup and installation of all different kinds of Game Servers on various Operating Systems.
 * SFWiki - http://sfwiki.org : Information for locals and travelers to the SF Bay area.
 * Shartak Wiki - http://www.shartak.com : Web-based MMPORPG, set on a mysterious island where natives and outsiders hunt and explore.
 * ShetlandDictionary.com - ShetlandDictionary.com : The Online Shetland Dictionary. Over 700 Shetland words that can be searched by Shetland to English or English to Shetland
 * Shetlopedia.com - Shetlopedia.com : The Shetland Encyclopedia. For all things Shetland related.
 * Showiki - Showiki.com : Hollywood information for the current day artists.
 * ShropshireWiki - ShropshireWiki.com : A collaborative site dedicated to the county of Shropshire, England.
 * Sightseeing Wiki - granmundo.org : A travel portal dedicated to sightseeing and related activities around the globe.
 * Sikhi Wiki - sikhiwiki.org :Encyclomedia of the Sikhs
 * SilkRoad Online Wiki - silkroad.skenmy.com :Online MMORPG SilkRoad Online
 * Simulism - simulism.org :Wiki about Simulism
 * SiteRewriter Wiki - siterewriter.com :Site Help for all web sites
 * SkepticWiki - :Site the Encyclopedia of Science and Critical Thinking
 * SklogWiki - www.sklogwiki.org :-a physics wiki for the thermodynamics, statistical mechanics, and computer simulation of materials, community.
 * Slabscapedia - Slabscape.com : The future's out there.
 * Slowtwiki - http://www.slowtwitch.com/wiki :Wiki dedicated to endurance sports.
 * SmartLogic Solutions - smartlogicsolutions.com :SmartLogic Solutions is a software development and consulting firm. SLS specializes in creating data-driven web applications.
 * Social Science Summary Database - adambrown.info/p/summaries :Collects summaries of scholarly books and articles, especially those relevant to political science.
 * SonikWiki - sonikmatter.com/wiki :Living documentation for the Sonikmatter Communities, including Kurzweil Synthesizers and Logic Audio.
 * Sons of the Thames - www.sonsrowing.org.uk :Sons of the Thames Rowing Club, Hammersmith.
 * Source Watch - sourcewatch.org :Directory of the people, organizations and issues shaping the public agenda. Focus on propaganda (formerly "Disinfopedia")
 * South Dublin Astronomical Society - southdublinastronomy.org :Amateur observational astronomy resource
 * SpamWiki - spamtrackers.eu : This wiki, maintained by spamtracker.eu contributors, is devoted to understanding spam and how you can personally take action to create a spam-free world.
 * Spadout - spadout.com :Spadout provides information about gear and techniques used in outdoor sports including rock climbing, backpacking and caving.
 * SporeWiki - sporewiki.com : SporeWiki is the knowledge base dedicated to Spore - the computer simulation video game developed by Wright Will Wright
 * Sportiki - sportiki.com :A live, user-created site covering the world of sports.
 * SpottersWiki - SpottersWiki.com :Guide to airport spotting and photography locations
 * Square Mile Wiki - inthesquaremile.com :Information about the City of London
 * SDSC SRB Wiki - sdsc.edu/srb :Information about the San Diego Supercomputer Center's Storage Resource Broker (data grid software)
 * Star Trek Games Wiki - stgu.com/startrekgames/ :Star Trek Games Information
 * Star Trek Online Wiki - stowiki.com :Star Trek Online MMOG Wiki (en, fr, de)
 * Stars!wiki - wiki.gible.net :For all things related to the PC game Stars!
 * Stellarium Wiki – stellarium.org :Stellarium is a free planetarium for your computer
 * Stereoshift Wiki – wiki.stereoshift.net :Collaborative wiki for providing documentation for plugins to Stereoshift
 * Storiki - storiki.com :Collaborative writing site that utilizes wikis for creative ventures.
 * StrategyWiki - StrategyWiki.org :Collaborative source for copyleft video game FAQs, walkthroughs, and strategy guides.
 * SupaWiki - :News from the Men's Rights Movement.
 * Supernatural World - :Supernatural wiki.
 * SUWiki - suwiki.org :The Sketchup Wiki.
 * Sweetnam.eu - sweetnam.eu :Personal website of a I.T. Technical nature.
 * SymbianWiki - SymbianWiki.com :An editable guide telling you All About Symbian.

T
TechWikiToday - TechTalkToday.co.nr :A technology article database for the TechTalkToday forums.
 * TagLoops - www.tagloops.com: Help, application info and community around TagLoops, the web application for creating Web Movies
 * Table Tennis Philippines - tatapx.org :Table Tennis Association of the Philipines Extension
 * Teaching resource Wiki -  : Teaching resources for Key Stage 1 & 2
 * Technical Christmas - www.TechnicalChristmas.com : Technical Advanced Christmas Decorating
 * TelemarkWiki - Telemark Wiki : Telemark Skiing.
 * TeleWiki - Secure.BusinessPhonesDirect.com/wiki/ :Articles on business telecommunications including hardware, programming, compatibility, installation, companies.
 * TESLibrary - www.teslibrary.com : A wiki site dedicated to all things Elder Scrolls, the Bethesda Softworks series of games (Arena, Daggerfall, Battlespire, Redguard, Morrowind, Bloodmoon, Tribunal, Oblivion, Knights of the Nine, Shivering Isles, etc.)
 * The Funny Wiki - The Funny Wiki : A wiki that you can put anything you want on, a kid work and school safe uncyclopedia.
 * The Infosphere - futurama.overt-ops.com/ :A wiki for all Futurama related info.
 * The Kim Stanley Robinson Encyclopedia - The Kim Stanley Robinson Encyclopedia :A New project documenting the works of author Kim Stanley Robinson.
 * The Pico - ( ThePico dot com¸au ) :Home site for Paramotor, Hangmotor, and other Picolight enthusiasts in Australia
 * The Wiki Fire - The Wiki Fire : The unofficial, free encyclopedia of Knox College in Galesburg, IL
 * Theatre Support Systems Wiki - TheatereSupportSystems : A web site devoted to providing technical support documentation for Center Stage Softwares Wintix and Tixsale Box-office Ticketing system.
 * ThetisWiki - ThetisWiki : An parody planet with humurous articles
 * The Ultimate Comment - TheUltimateComment.com :Postmodern investigation of the Secret of the Universe
 * ThinkNOLA Wiki thinknola.com :Wiki guide to life in New Orleans, post-Katrina
 * ThinkWiki - thinkpad.org :Linux distributions on ThinkPads
 * This Might Be A Wiki - tmbw.net :Wiki for all things They Might Be Giants
 * TinyMCE step by step - rorlach.de :Documentation and examples for the TinyMCE webeditor
 * TipCollection - tipcollection.com :Tips, tutorials and how-to guides to help make life easier.
 * Tolkien Gateway - tolkiengateway.net :Currently the largest encyclopedia about J.R.R. Tolkien and his works.
 * Total Commander Wiki - www.ghisler.ch/wiki :Knowledge base for Total Commander, famous file manager software for Windows
 * Tracklists.org - tracklists.org :User contributed DJ Set Tracklistings
 * Track2Asia - www.track2asia.com :Travel guide for Asia allowing travelers to share their experiences, upload photos, and provide other travelers with insight information about destinations in Asia.
 * Trunkmonkey Racing - www.trunkmonkeyracing.com/wiki:Trunkmonkey Racing's race team operations and logistics guide
 * TSR Wiki - thestudentroom.co.uk :The Student Room, Information for students
 * Tubeopedia - Tubeopedia.com :Everything you ever wanted to know about vacuum tubes, the equipment and circuits that use them and theory about them.
 * Tulipedia - tulipedia.org :Encyclopedia on Calvinism
 * The TV IV - tviv.org :An online compendium of television knowledge
 * The Star Wars Podcasting Guide - TSWPG :A wiki to help podcasters or prospective podcasters.
 * Thilopedia - :A wiki made by fans of Thilo Savage, who was deleted from wikipedia due to a grave miscalculation.
 * Things You Should Know About - Tyska.net :Tyska is collaborative writing project focused on providing our readers only the most important and actionable information on any given topic.
 * T-Vox - t-vox.org :Information, advice and support group from transgendered, intersexed and genderqueer people.

U

 * UgandaWiki - ugandawiki.ug :The Uganda online encyclopedia.
 * ukcider - ukcider.co.uk/wiki :Real cider and perry
 * ukdiy - :Frequently Asked Questions for the uk.diy Newsgroup
 * UKGameshows - ukgameshows.com :Information on British television and radio game shows and people associated with them
 * UMassWiki - umasswiki.com :Wiki for the University of Massachusetts Amherst community
 * Uncyclopedia - uncyclopedia.org :Satirical parody of Wikipedia
 * United Federation of Trek Encyclopedia - fedtrek.com/wiki :A sci-fi/fantasy wiki
 * United Nations Development Programme (UNDP) - WaterWiki: On-line knowledge map and collaboration tool for the UNDP-Water-Community of Practitioners in Europe & CIS
 * Unofficial Elder Scrolls Pages (UESP) - uesp.net :The wiki about the Elder Scrolls series of games.
 * Unofficial TransGaming Wiki - cedegawiki.sweetleafstudios.com : A collection of information about using Cedega, which allows many Windows games to be played on Linux. Consists mainly of a database of games that have been tested on Cedega.
 * Unmaintained Free Software - unmaintained-free-software.org :Unmaintained/orphaned Free Software projects which are in need of a new maintainer
 * UOGuide - UOGuide.com :An encyclopedia on the MMORPG Ultima Online
 * Ubuntu Document Storage Facility -UDSF :A documentation Wiki for Ubuntu Linux
 * UnburdenUs Medical Side Effects Wiki - :A portal which allows patients to describe Medication Side Effects in a way that makes sense to them.
 * Urban Dead Wiki - http://www.urbandead.com : A Massively Multi-Player Web-Based Zombie Apocalypse. MMPORPG.
 * Utah Dogs Wiki - http://www.utahdogs.com/wiki/ :Information for Dogs and their people in Utah.

V

 * ValueWiki - ValueWiki.com: Comprehensive listing of all investments on US exchanges
 * Valve Developer Community - developer.valvesoftware.com :Information about Valve's SDK and Tools
 * Variable Star One-shot Project - : Astronomical Database of Spectra of Variable Stars.
 * Venture the Void Online Documentation - venturethevoid.com :Online documentation for space exploration MMORPG
 * Vicksburg Fire Department - vicksburgfd.com :A wiki for the use of and about the Vicksburg Fire Department in Vicksburg, MS.
 * Videoville - videoville.org :A wiki for cool music videos.
 * Visual KoL - thekolwiki.net :Information about the online role-playing game, Kingdom of Loathing.
 * The Free Voyeurweb's Wiki System - Voyeurweb's Wiki :It is a richly pictured and fully searchable interactive knowledge base base done by the Voyeurweb community for the Voyeurweb community. This Wiki system grows every hour as more and information, text and pictures are added by people like me and you.
 * vtiger CRM - vtiger Wiki :Documentation project for the vtiger CRM business users and developers.

W

 * W3Wiki - w3w.org :Dedicated to using the Internet and the World Wide Web for its original purpose: to support information sharing and collaboration among researchers, educators, and students around the world
 * WaterWiki: UNDP's on-line knowledge map and collaboration tool for Water-Practitioners in Europe & CIS (United Nations Development Programme)
 * Wayne State University's 1020 Wiki: Wiki for first year writing courses at Wayne State University
 * Wazaabi - wazaabi.org : Website of the Wazaabi toolkit, an accelerator for the development of rich client applications based upon Eclipse RCP, XUL and J2EE.
 * WebKit - opendarwin.org :Wiki for the WebKit project, used extensively in Safari and Mac OS X
 * Wesnoth - wesnoth.org :Website and wiki for the Battle for Wesnoth project, a free turn-based strategy game
 * What The Hack - whatthehack.org :The outdoor hacker conference/event in the Netherlands 2005
 * Who Is Everyone? - whoiseveryone.com :A website which contains biographical articles about real people
 * Wikievnet - wikevent.org :worldwide, Free calendar of public events (like concerts, lectures, parties, classes, sporting events, ...)
 * Wiki24 - 24.wikia.com :Everything there is to know about the hit television series 24
 * Wikia : A network of MediaWiki sites on many topics
 * WikiAbout - WikiAbout.com : "Knowledge Base without a Tie" ... that anyone can edit. Share your Expertise with the World ... in a Casual Way.(Beta version - Help Wanted). Complementary to a Wiki[encyclo]pedia, this project aims to become the repository for common human knowledge and expression of their perception of the World. It is based on the belief that it is the worthiest thing in the universe - As much diversity and as little control as possible sought :)
 * WikiAV - WikiAV.com : An online Audio and Video guide
 * Wikible - wikible.org :Bible encyclopedia
 * WikiBlog Consulting - wikiblogconsulting.com :a free, collaborative resource for professionals
 * wikiblue - dyo-ecksdee.com/blue/wiki :A wiki for an IRC channel
 * Wikibon - Wikibon.org :Best practices in storage, IT and business written by a community of practitioners, consultants and market researchers.
 * WikiCells - wikicells.com :A wiki all about cell phones!
 * Wiki Classical Dictionary - www.ancientlibrary.com/wcd/ : A wiki devoted to the history, literature, mythology, art and archaeology of the ancient world.
 * WIKICHAT - www.wikichat.org : Developing chat-related extensions for the wiki community.
 * Wikicompany - Wikicompany.org : A free, worldwide, business directory.
 * Wikicosm - wikicosm.org :An encyclopedia of alternative knowledge, culture, and viewpoints. Inclusive of a diverse range of topics, including (but certainly not limited to) the arts, counterculture, magick, metaphysics, alternative views on science and history, UFOs, vampires, and more.
 * WikiCrimeLine - WikiCrimeLine.co.uk :Resource on English criminal law
 * Wikidesktop - wikidesktop.org :Desktop Engineer Guide for desktop engineers, technicans, admistrators and deployment engineers. For software deployment and imaging on Microsoft Windows.
 * WikiDevices - wikidevices.org :Objective information on consumer electronics, hacks, tests, performance, usability.
 * WikiForGood - wikiforgood.org :Guide to social and environmental progress
 * WikiEd - WikiEd.co.uk :A Wiki for student and teachers alike to create SQA corce notes.
 * WIKI-EUROPA - Tribune of European civil society :Knowledge base about European democracy, governement, humain rights, civil society, solidarity ( G / F / E)
 * WikiFamilyFun Family Fun Activity Guide : A family activity guide created and edited by families.
 * WikiFAQ - wikifaq.com :Informative FAQs on all imaginable topics
 * WikiFilmSchool - wikifilmschool.com :A wiki designed to inform and instruct on all aspects of filmmaking and the processes involved with it - from high budget studio pictures to no-budget do it yourself guerilla filmmaking.
 * WikiGamia - WikiGamia.org :Wiki site dedicated for public game guides for all computergame genres and platforms. Gameguides contains tips, tricks, howto's, cheats, walkthroughs and descriptions.
 * Wiki-Gore-Pedia (Wikipedia Goregrind) - www.goregrind.com/wiki : a complete encyclopedia of goregrind music
 * WikiGreen - WikiGreen.com :A Wiki for all things Golf that anyone can edit.
 * Wikigogy - wikigogy.org :to write TEFL TESL TESOL English teaching lesson materials and ideas
 * WikiHealth - wikihealth.com :Health & Wellness topics
 * WikiHow - wiki.ehow.com :A How-To Manual
 * wikIran - wikIran.org :Open content English-language encyclopedia project of the Iranian-speaking peoples
 * WikiKnitting - wikiknitting.com :A knitting How-To and collection of free patterns
 * WikiKnowledge - wikiknowledge.net/wiki:The free information database that anyone can edit.
 * WikiLemon - ld.fubaria.org/wiki :A Lemon Demon community wiki
 * WikiLiveWeb - WikiLiveWeb.org : WikilLiveWeb is a website directory powered by people. Let's take the traditional web directory to the next level.
 * WikiLou - www.wikilou.com :A collaborative wiki about St. Louis, Missouri and the surrounding area.
 * Wikimbad - wikimbad.org :A wiki for sharing reduced and published astronomical data.


 * WikiNoah - www.WikiNoah.org :Welcome, newcomers to WikiNoah. Everything worthwhile to know about the Bnei Noach movement. The Online Encyclopedia about the Noahide movement created by observant Noahides and Jews.


 * WikiNotes - wikinotes.hosted.hostmax.co.uk :UK A-Level notes collaboration project
 * Wikiot - wikiot.com :Music wiki for guitar, piano, drums, etc. Includes lessons, projects, tabs, etc.
 * WikiOutdoors - WikiOutdoors.com :A wiki devoted to helping people get outdoors. Includes articles, gear reviews and program reviews for activities like hiking, mountain biking and skiing.
 * Wikipages- wikipages.com :Business directory for NYC and other cities.
 * WikiPasy - en.wikipasy.pl :Encyclopedia about oldest polish football club - KS Cracovia.
 * Wikipedia- Wikipedia.org :Free-content encyclopedia


 * Wikipubs - wikipubs.org :Community for sharing information on Pubs, Bars and Clubs.
 * Wikireason - wikireason.net : A debating community that emphasizes the logical structure of arguments.
 * WikiRevs - wikirevs.com : A catalog of product and service reviews (help wanted).
 * Wiki-Scene - wiki-scene.com :A collection of tutorials guides and information on video game console hacking and modification.
 * WikiScope - wikiscope.org : WikiScope is a freely available portal for microscopy, spectroscopy and bioimaging.
 * Wikiscuba - wikiscuba.com : Scuba diving encyclopedia and dive site list.
 * Wikisocion - wikisocion.org : Encyclopedia of socionics
 * WikiSound - WikiSound : A Site for indexing music
 * WikiStock - WikiStock : A reference for Stock Traders
 * WikiSummary - WikiSummary : Summaries of Academic Books and Articles
 * Wikithesia - wikithesia.com :Anaesthesia reference site to provide a forum for up to date information in anaesthesia.


 * WikiVis - wikivis.org :Information Visualization Wiki site
 * WikiWebComic - wikiwebcomic.penguindeskjob.com :A community-produced webcomic.
 * WikiWit - WikiWit.com :WikiWit is a portal dedicated to community edited fictional stories, movie scripts, and any other open source collaborative, creative writing content.
 * WikiWrestling - wikiwrestling.com :WikiWrestling is your definative source of wrestling information.
 * Wikiyobica - byob.hurfdurf.com :A Wiki for the board BYOB on the forums for SomethingAwful.com
 * WikiYoga - wikiyoga.org :Wikiyoga is dedicated to all forms of yoga
 * Wild-Mountain Wiki - wiki.wild-mountain.net :Share your mountain excursion routes
 * WinMerge Wiki - wiki.winmerge.org :A wiki for WinMerge development
 * Wireless Africa - wirelessafrica.meraka.org.za :Home of the CSIR, Wireless Africa, Community Owned Information Network.
 * WordPress Codex - codex.wordpress.org :Online Manual for WordPress
 * World Wide Wiki - bmearns.net:8080 :Personal wiki with wide range of articles; electronics, computers, physics, math, religion, society, art, and music. Many articles are "how-to"s and similar information pieces.
 * World Wind Wiki - worldwindcentral.com :Knowledge base about NASA's World Wind
 * WowAce - www.WowAce.com:A community built around a addon development framework for the World of Warcraft, by Blizzard Entertainment.
 * WoWWiki - wowwiki.com :The game World of Warcraft, by Blizzard Entertainment.
 * WPIwiki - wiki.wpiirc.net :Unofficial Wiki of Worcester Polytechnic Institute
 * WW II Dodge Wiki - ww2dodge.com :Wiki about Dodge military trucks used in World War II

X

 * Xbox 360 Gaming - Xbox360Gaming :An archive for everything Xbox 360.
 * Xbox Media Center Online Manual - xbmc.xbox-scene.com/wiki :The online manual for Xbox Media Center, the free open source (GPL) multimedia-player for the Xbox™ from Microsoft.
 * XeNTaXWiki - wiki.xentax.com :The world's largest repository of Game Resource Archive Format (GRAF) information. Expanding to non-GRAF formats as well.
 * XC CoasterWiki - wiki.xtremecoastin.com :The largest resource of Roller Coaster and Amusement Industry information.
 * XMLTV GUI Wiki - birtles.org.uk :Documentation for the XMLTV GUI grabber
 * XMSWiki - xmswiki.com :Help and documentation for XMS software (GMS, SMS and WMS).
 * The XR Wiki - xrwiki.com :A source for information on Honda XR Motorcycles and other motorcycling related topics.

Y

 * YaBB Codex yabbsupport.com :Online manual for the Perl based open-source project, Yet Another Bulletin Board.
 * Yetzirah yetzirah.sunandshadows.com :Community-created science-fiction universes, PC gaming.
 * Young Bromley Guide :Information about the London Borough Of Bromley, aimed at young people and teenagers that live in the area.
 * Youpedia - youpedia.org :Your free encyclopedia that you can edit.
 * Youth Rights Network - youthrights.net :A discussion of youth rights, led by the National Youth Rights Association.
 * Yo-Yo Wiki - yoyowiki.org :Information about the toys called Yo-yo

Z

 * ZendExt - ZendExt.maaksite.nl : Extension for the Zend Framework.

The TV Zone
The TV Zone from Rede Globo Television Central