Wikimedia Foundation

About

The Wikimedia Foundation, Inc. (WMF) is an American 501(c)(3) nonprofit organization headquartered in San Francisco, California, and registered there as a charitable foundation. It is most known for hosting Wikipedia, one of the world's most visited websites. It also hosts and operates 14 related open collaboration projects, and supports the development of MediaWiki, which is the wiki software that underpins them. The foundation was established in 2003 in St. Petersburg, Florida by Jimmy Wales, as a nonprofit way to fund Wikipedia and other wiki projects that had previously been hosted by Bomis, Wales's for-profit company.

The Wikimedia Foundation provides the technical and organizational infrastructure to enable members of the public to develop wiki-based content in languages across the world. The foundation does not write or curate any of the content of any associated projects. Instead, this is done by volunteer editors, such as the Wikipedians. However, it does collaborate with a network of individual volunteers and affiliated organizations, such as Wikimedia chapters, thematic organizations, and user groups.