Lostpedia is a wiki-powered online encyclopedia of information regarding the American television drama Lost. Launched on September 22, 2004 by Kevin Croy, the site uses MediaWiki software to maintain a user-created database of information. The site's content is under a Creative Commons license (by-nc-nd), which means that it is available free to the public, but cannot be used for commercial purposes and should not be modified by people who are not part of the community of the website. Lostpedia is supported by revenue from advertising; the site has not made information regarding financial details public. As of April 2019, the site contains an estimated 7,380 articles. On December 18, 2008 the site became a part of Wikia.