Foundation. is a non-profit charitable organization headquartered in
San Francisco and organized under the laws of the state of Florida, where
it was initially based. It is the over-arching nonprofit foundation
that owns the Wikimedia servers along with the domain names, logos and
trademarks of all Wikimedia projects and MediaWiki.
Its flagship project, the English-language
Wikipedia, ranks among the top ten most-visited websites worldwide.
It operates several online collaborative
WIKI projects including: