Wikipedia, a free-content online encyclopedia written and maintained by a community of volunteers known as Wikipedians, began with its first edit on 15 January 2001, two days after the domain was registered. It grew out of Nupedia, a more structured free encyclopedia, as a way to allow easier and faster drafting of articles and translations.
Wiktionary is a multilingual, web-based project to create a free content dictionary of terms in all natural languages and in a number of artificial languages. These entries may contain definitions, images for illustration, pronunciations, etymologies, inflections, usage examples, quotations, related terms, and translations of terms into other languages, among other features. It is collaboratively edited via a wiki. Its name is a portmanteau of the words wiki and dictionary. It is available in 192 languages and in Simple English. Like its sister project Wikipedia, Wiktionary is run by the Wikimedia Foundation, and is written collaboratively by volunteers, dubbed "Wiktionarians". Its wiki software, MediaWiki, allows almost anyone with access to the website to create and edit entries.
The English Wikipedia is the primary English-language edition of Wikipedia, an online encyclopedia. It was created by Jimmy Wales and Larry Sanger on January 15, 2001, as Wikipedia's first edition.
The French Wikipedia is the French-language edition of Wikipedia, the free online encyclopedia. This edition was started on 23 March 2001, two months after the official creation of Wikipedia. It has 2,580,415 articles as of 30 December 2023, making it the fourth-largest Wikipedia overall, after the English-, Cebuano- and German-language editions, and is the largest Wikipedia edition in a Romance language. It has the third-most edits, and ranks 6th in terms of depth among Wikipedias. It was also the third edition, after the English Wikipedia and German Wikipedia, to exceed 1 million articles: this occurred on 23 September 2010. In April 2016, the project had 4657 active editors who made at least five edits in that month.
The German Wikipedia is the German-language edition of Wikipedia, a free and publicly editable online encyclopedia.
The Portuguese Wikipedia is the Portuguese language edition of Wikipedia, the free encyclopedia. It was started on 11 May 2001.
The Dutch Wikipedia is the Dutch-language edition of the free online encyclopedia, Wikipedia. It was founded on 19 June 2001.
The Arabic Wikipedia is the Modern Standard Arabic version of Wikipedia. It started on 9 July 2003. As of January 2024, it has 1,224,916 articles, 2,528,913 registered users and 53,485 files and it is the 17th largest edition of Wikipedia by article count, and ranks 8th in terms of depth among Wikipedias. It was the first Wikipedia in a Semitic language to exceed 100,000 articles on 25 May 2009, and also the first Semitic language to exceed 1 million articles, on 17 November 2019.
The Catalan Wikipedia is the Catalan-language edition of the Wikipedia free online encyclopedia. It was created on March 16, 2001, just a few minutes after the first non-English Wikipedia, the German edition. With more than 741,000 articles, it is currently the 20th-largest Wikipedia as measured by the number of articles, and the fifth-largest Wikipedia in a Romance language. In April 2016, the project had 582 active editors who made at least five edits in that month. The edition is most notable for its large number of quality articles, which illustrates the Catalan language's important online presence despite being a minority language.
Urdu Wikipedia, started in January 2004, is the Standard Urdu edition of Wikipedia, a free, open-content encyclopedia. As of 7 January 2024, it has 200,099 articles, 173,593 registered users and 14,179 files, and it is the 54th largest edition of Wikipedia by article count, and ranks 20th in terms of depth among Wikipedias with over 150,000 articles. There were 5.9 million page views in June 2023.
The Estonian Wikipedia is the Estonian version of Wikipedia, the free encyclopedia, started on 24 August 2002. As of December 2023, the edition has about 242,000 articles.
The Vietnamese Wikipedia is the Vietnamese-language edition of Wikipedia, a free, publicly editable, online encyclopedia supported by the Wikimedia Foundation. Like the rest of Wikipedia, its content is created and accessed using the MediaWiki wiki software.
The Latvian Wikipedia is the Latvian-language edition of the free online encyclopedia Wikipedia. It was created on 6 June 2003. With more than 125,000 articles, it is currently the 68th-largest Wikipedia as measured by the number of articles and the second-largest Wikipedia in a Baltic language after the Lithuanian Wikipedia.
The Bengali Wikipedia or Bangla Wikipedia is the Bengali language edition of Wikipedia, the free online encyclopedia. Launched on 27 January 2004, it surpassed 10,000 articles in October 2006, becoming the second South-Asian language to do so. On 25 December 2020, the site achieved the milestone of 100k articles. As of 5 January 2024, the Bengali Wikipedia has 145,414 articles. Though it joined later compared to top wikipedias, it ranks 5th in terms of article depth among 318 active wikipedias by language.
Wikivoyage is a free web-based travel guide for travel destinations and travel topics written by volunteer authors. It is a sister project of Wikipedia and supported and hosted by the same non-profit Wikimedia Foundation (WMF). Wikivoyage has been called the "Wikipedia of travel guides".
The Tamil Wikipedia is the Tamil language edition of Wikipedia established in September 2003, run by the Wikimedia Foundation. The Tamil Wikipedia is the second largest Wikipedia among Indian languages and the 60th largest Wikipedia by article count(As of 1 January 2024). It is also the first and only Wikipedia of Dravidian origin to possess more than 150,000+ articles. The project is one of the leading Wikipedia among other South Asian language Wikipedia's in various quality matrices. It has 161,413 articles and 227,882 registered users as of January 2024. It crossed 100,000 articles in May 2017.
The Spanish Wikipedia is a Spanish-language edition of Wikipedia, a free online encyclopedia. It has 1,921,214 articles. Started in May 2001, it reached 100,000 articles on March 8, 2006, and 1,000,000 articles on May 16, 2013. It is the 8th-largest Wikipedia as measured by the number of articles and has the 4th-most edits. It also ranks 12th in terms of article depth among Wikipedias.
The Volapük Wikipedia is the Volapük-language edition of the free online encyclopedia Wikipedia. It was created in February 2003, but launched in January 2004. As of 4 January 2024, it is the 108th-largest Wikipedia as measured by the number of articles, with about 36,000 articles, and the second-largest Wikipedia in a constructed language after the Esperanto Wikipedia.
The Cebuano Wikipedia is the Cebuano-language edition of Wikipedia, the free online encyclopedia. Despite being the second-largest Wikipedia in numbers of articles, it has a small community of only 178 active users; nearly all of the 6,122,299 articles were initially created through automatic programs, most notably Sverker Johansson's Lsjbot.
