Foundations based in the United States

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. The foundation is most known for being the host of Wikipedia, one of the most visited websites in the world. It also hosts fourteen related open collaboration projects, and supports the development of MediaWiki, the wiki software which underpins them all. The foundation was established in 2003 in St. Petersburg, Florida by Jimmy Wales, as a non-profit way to fund Wikipedia and other wiki projects which had previously been hosted by Bomis, Wales' for-profit company.

American non-profit organization

American non-profit organization

private foundation founded by Bill and Melinda Gates

Electronic Frontier Foundation Inc

United States-based philanthropic organization

private foundation based in New York City

independent federal agency of the United States government

non-profit organization promoting free speech and freedom of the press

private foundation (US)

American non-profit organization

non-profit corporation created by an act of the United States Congress and funded by the United States federal government to promote public broadcasting

American philanthropic nonprofit organization

philanthropic organization

charitable organization founded by entertainer Michael Jackson

US philanthropic foundation funding social entrepreneurs

foundation

former US-based private foundation

American private foundation

foundation

non-profit serving the Muslim community in the DC Area

American non-profit organization

private foundation in New York City

foundation

investment firm founded by Pierre and Pamela Omidyar

social change organization

non-profit organization

non-profit providing fellowships for web professionals to work on city projects

organization in Tel Aviv, Israel

nonprofit organization founded by Miley Cyrus

American advocacy group

foundation