In addition to Wikipedia, the foundation operates ten other wikis that follow the free content model with their main goal being the dissemination of knowledge. These include, by launch date:
Name: Wikipedia Description: online encyclopedia Website:www.wiki.x.io Launched: January 15, 2001 Editions: more than 290 Wikipedias in over 250 languages
Name: Wiktionary Description: online dictionary and thesaurus Website:www.wiktionary.org Launched: December 12, 2002 Editions: more than 270 languages and in Simple English
Name: Wikibooks Description: collection of textbooks Website:www.wikibooks.org Launched: July 10, 2003
Name: Wikiquote Description: collection of quotations Website:www.wikiquote.org Launched: July 10, 2003
Name:Wikivoyage Description: travel guide Website: www.wikivoyage.org Launched: July 2003 as Wikitravel Forked: December 10, 2006 (German language) Re-launched: January 15, 2013 by WMF in English language
Name: Wikisource Description: digital library Website: www.wikisource.org Launched: November 24, 2003
Name: Wikimedia Commons Description: repository of images, sounds, videos, and general media Website:www.commons.wikimedia.org Launched: September 7, 2004
Name: Wikispecies Description: taxonomic catalogue of species Website:www.species.wikimedia.org Launched: September 14, 2004
Name: Wikiversity Description: collection of tutorials and courses, while also serving as a hosting point to coordinate research Website: www.wikiversity.org Launched: August 15, 2006
Name: Wikidata Description: knowledge base Website: www.wikidata.org Launched: October 30, 2012
Several additional projects exist to provide infrastructure or coordination of the free knowledge projects. For instance, Outreach gives guidelines for best practices on encouraging the use of Wikimedia sites. These include:
Name: Meta-Wiki Description: central site for coordinating all projects and the Wikimedia community Website:meta.wikimedia.org
Name: Wikimedia Incubator Description: for language editions in development Website: incubator.wikimedia.org
Name: MediaWiki Description: helps coordinate work on MediaWiki software Website:www.mediawiki.org
Name: Wikitech Alias: Wikimedia Cloud Services (WMCS), formerly known as "Wikimedia Labs" Description: technical projects and infrastructure Website: wikitech.wikimedia.org