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Wikimedia project

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A Wikimedia project is a wiki-based community project run by the Wikimedia Foundation, a nonprofit organization founded in San Francisco, California in 2003 The Foundation operates many free software and free content projects, listed below, which are developed by volunteers of the Wikimedia movement


  • 1 List
  • 2 Language codes
    • 21 Codes that do not agree with the ISO 639 meaning or are deprecated
      • 211 Project codes
      • 212 Internal code changes
      • 213 Redirects
    • 22 Usage in Wikimedia projects
      • 221 Project specific codes
      • 222 Wikidata
  • 3 Software projects and other backstage projects
  • 4 See also
  • 5 References


Content on most Wikimedia Foundation websites is licensed for redistribution under v30 of the Attribution and Share-alike Creative Commons licenses This content is sourced from contributing volunteers and from resources unrestricted by copyright, such as copyleft material and works in the public domain

The order in the table below is as listed in the Wikimedia SiteMatrix

Logo Name Web address Launched Description Editions
Wikipedia wikipediaorg 2001-01-15 Encyclopedia articles 291 languages
Wiktionary wiktionaryorg 2002-12-12 Dictionary, including etymologies, synonyms, and translations 172 languages
Wikibooks wikibooksorg 2003-07-10 Educational textbooks and learning materials 121 languages
Wikinews wikinewsorg 2004-11-08 News source 33 languages
Wikiquote wikiquoteorg 2003-07-10 Collection of quotations 89 languages
Wikisource wikisourceorg 2003-11-23 Library of source documents and translations 65 languages
Wikiversity wikiversityorg 2006-08-15 Educational and research materials and activities 15 languages
Wikivoyage wikivoyageorg 2006-12-10
2013-01-15 as a WMF project
Travel guide 17 languages
Wikimedia Commons commonswikimediaorg 2004-09-07 Repository of images, sounds, videos, and other media files 1 multilingual
Wikimedia Incubator incubatorwikimediaorg 2006-06-02 Testing possible new languages for existing projects 1 multilingual
Meta-Wiki metawikimediaorg 2001-11-09 Coordination of the other Wikimedia projects 1 multilingual
Wikispecies specieswikimediaorg 2004-09-14 Directory of species data on all forms of life 1 multilingual
Wikidata wikidataorg 2012-10-30 Knowledge base 1 multilingual
Wikimania wikimaniawikimediaorg 2005-08-04 Wikimania conference websites 1 for each year

Language codes

Wikimedia projects use language codes to identify language specific editions of a Wikimedia project The codes are often used as a subdomain, eg for the Wikipedia editions it is a subdomain below wikipediaorg Interlanguage links in the English Wikipedia are sorted by that code

The codes mostly correspond to the language codes defined by ISO 639-1 and ISO 639-3, and the decision of which language code to use is mostly in accordance with the IETF language tag policy

One code is not a language code 'be-x-old' but refers to a specific orthography

Codes that do not agree with the ISO 639 meaning or are deprecated

Several codes are used for project editions where the ISO 639 meaning is different from the content contained in the project

This makes the codes partially "not useful"

Project codes

WP edition name WP code ISO 639 code Meaning of WP code if read as ISO 639 code Note
Albanian sq als Broader meaning than edition content: Macrolanguage, Albanian with four individual languages, but Tosk Albanian is mainly used 'als' is the individual code for Tosk Albanian, but this code is already used for Alemannic Wikipedia
Alemannic als gsw Unrelated language: Tosk Albanian 'gsw' is the ISO 639-2 and -3 code for Swiss German, Alemannic and Alsatian 'gct' is the ISO 639-3 code for Colonia Tovar dialect, 'swg' is for Swabian German and 'wae' is for Walser German
Arabic ar Broader meaning than edition content: Macrolanguage 'ara'/'ar' is Arabic in general Egyptian Arabic Wikipedia uses code 'arz' Modern Standard Arabic has the code 'arb'
Aromanian roa-rup rup Not an ISO code 'roa' in ISO is Romance Other
Banyumasan map-bms Not an ISO code 'map' is Austronesian Other, bms is Bilma Kanuri, a language of Niger
Dutch Low Saxon nds-nl several Not an ISO code 'nds' is 'Low Saxon', restricted to Germany in Ethnologue The Low Saxon dialects in the Netherlands have their own ISO codes
Belarusian Taraškievica be-x-old Not an ISO code Valid would be 'be-tarask'
Bihari bh several Broader meaning than edition content: collective code 'ISO 639:bih' includes Bhojpuri bho, Maithili mai, Magahi mag and nine others
Yue zh-yue yue Not an ISO code This is a Chinese Wikipedia in written Cantonese
Chinese zh cmn Broader meaning than edition content: Macrolanguage 'zho'/'zh' is Chinese in general Chinese Wikipedia is written in modern written vernacular Chinese with four standard forms Modern written vernacular Chinese is based on modern Mandarin cmn
Classical Chinese zh-classical lzh Not an ISO code
Min Nan zh-min-nan nan Not an ISO code 'min' is unrelated This is a Chinese Wikipedia in written Hokkien POJ
Malay ms Broader meaning than edition content: Macrolanguage that includes more than 30 individual languages/dialects Wiki excludes Indonesian because Indonesian Wikipedia id exists independently
Norman nrm Unrelated language: Narom
Norwegian Bokmål no nb Broader meaning than edition content: Norwegian in general, ie Bokmal 'nb'/'nob' and Nynorsk 'nn'/'nno' Nynorsk correctly uses 'nn'
Ripuarian ksh Narrower meaning than edition content: Kölsch, one variety of the Ripuarian languages
Samogitian bat-smg sgs Not an ISO code 'bat' is Baltic Other, 'smg' is Simbali language
Serbo-Croatian sh hbs Deprecated: 'sh' for the Serbo-Croatian Wikipedia has been deprecated
Simple English simple en Not an ISO code
Syriac arc syc not the best match 'syc' is better suited for the content
Tarantino roa-tara Not an ISO code 'roa' is Romance Other
Võro fiu-vro vro Not an ISO code
Zamboanga Chavacano cbk-zam cbk Not an ISO code 'cbk' is Chavacano zam is unrelated Miahuatlán Zapotec

Internal code changes

The following codes have been changed for the mark-up:

  • bat-smg -> sgs Wikipedia
  • fiu-vro -> vro Wikipedia
  • zh-classical -> lzh Wikipedia
  • zh-min-nan -> nan Wikipedia, Wiktionary, Wikibooks, Wikiquote, Wikisource
  • zh-yue -> yue Wikipedia
  • be-x-old -> be-tarask Wikipedia
  • als -> gsw Wikipedia, wiktionary, Wikibooks, Wikiquote
  • roa-rup -> rup Wikipedia, Wiktionary


  • 'dk' redirects to 'da'
First Day of Issue Cover of the "Wikimania 2011 - Haifa, Israel" stamp, issued by Israel Post on August 2, 2011 - The first-ever stamp dedicated to a Wikimedia-related project

Usage in Wikimedia projects

Project specific codes

  • Wiktionary uses further codes to represent content


In Wikidata a property named "Wikimedia language code" exists

Software projects and other backstage projects

  • MediaWiki – a free software open source wiki package and its documentation
    • VisualEditor – a project to provide a "visual" or "WYSIWYG-like" online rich-text editor as a MediaWiki extension to Wikipedia
  • Phabricator– A bug tracker and project management system for MediaWiki
  • Wikitech – Wikimedia technical documentation
  • Wikimedia Labs aka Labs – provides cloud computing infrastructure for supporting development and operations engineering
  • Wikimedia Tool Labs aka tools – for community developers working on tools and bots that help users maintain and use wikis
  • Test Wikipedia – For testing software changes
  • Server status – Current status Wikimedia Foundation – Core services
  • WikiStats – Wikimedia statistics
  • Wikimedia Mailservices – Wikimedia Mailing Lists

The Foundation also hosts various private wikis – such as those for the Chapters Committee, Board of Trustees, OTRS, and Wikimedia Foundation Office – and various public wikis – for specialized groups such as Outreach, the regional Chapters, and thematic organizations

See also

  • List of Wikipedias
  • List of wikis


  1. ^ They are the standards for Mainland Chinese and Singaporean written in simplified Chinese characters, and Taiwanese and Hong Kong/Macau in traditional Chinese characters They are automatically converted by the wiki machine See Chinese Wikipedia
  1. ^ "Our projects" Wikimedia Foundation Retrieved 2013-09-01 
  2. ^ Nonstandard language codes and Language codes
  3. ^ "This leads to a situation where the Wikimedia Foundation project codes are not useful" Translatewikinet 2012-09-03 Retrieved 2013-09-01 
  4. ^ "ISO 639 code tables" Silorg Retrieved 2013-09-01 
  5. ^ "ISO 639 code sets" 01silorg Retrieved 2013-09-01 
  6. ^ "Invalid id" Ethnologuecom 1999-02-19 Retrieved 2013-09-01 
  7. ^ "ISO 639 code sets" 01silorg 2009-01-16 Retrieved 2013-09-01 
  8. ^ "ISO 639 code sets" Silorg Retrieved 2013-09-01 
  9. ^ "ISO 639 code sets" 01silorg Retrieved 2013-09-01 
  10. ^ "Bug 26725 – Renaming the Aramaic arc Wikipedia to the Syriac syc Wikipedia" Bugzillawikimediaorg Retrieved 2013-09-01 
  11. ^ "Bug 34866 – Change wgLanguageCode of several wikis to be renamed" Bugzillawikimediaorg Retrieved 2013-09-01 
  12. ^ "Bug 15357 – Redirect dkwiktionary and dkwikibooks to dawiktionary and dawikibooks respectively" Bugzillawikimediaorg Retrieved 2013-09-01 
  13. ^ "Wiktionary:List of languages – Wiktionary" Enwiktionaryorg 2013-08-02 Retrieved 2013-09-01 
  14. ^ "Wikimedia language code" Wikidata Retrieved 2013-09-01 
  15. ^ https://phabricatorwikimediaorg/ Phabricator
  16. ^ https://wikitechwikimediaorg/ Wikitech
  17. ^ https://wikitechwikimediaorg/wiki/Help:FAQ Wikimedia Labs
  18. ^ https://wikitechwikimediaorg/wiki/Help:Tool_Labs Wikimedia Tool Labs
  19. ^ Test Wikipedia
  20. ^ http://statuswikimediaorg/ Server status
  21. ^ WikiStats
  22. ^ Wikimedia Mailservices
  23. ^ Outreach

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