Charities based in California

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

non-profit educational organization

Electronic Frontier Foundation Inc

Non-profit organization promoting open-source software

Christian humanitarian aid, development, and advocacy organization

AMORC (standing for, among others, the Ancient Mystical Order of the Rosy Cross, Antiquus Mysticusque Ordo Rosae Crucis or the Ancient and Mystical Order Rosæ Crucis) is a Rosicrucian organization founded by Harvey Spencer Lewis in the United States in 1915. It has lodges, chapters and other affiliated bodies in several countries. It operates as a fraternal order in the mystical Western Esoteric Tradition. There are 12 grand lodges that represent the geographical regions and languages in which AMORC operates, including English, French, and German grand lodges. It is the largest Rosicrucian ord

micro-loan platform

collaborative site for sharing musical scores

American LGBTQ support organisation

nonprofit organization

non-profit organization in the USA

Erowid, also called Erowid Center, is a non-profit educational organization that provides information about psychoactive plants and chemicals.

Not-for-profit organization

organization

American non-profit focused on literacy

American non-profit organization

non-profit organization in the USA

Televised charity program

AnitaB.org (formerly Anita Borg Institute for Women and Technology (ABI), and Institute for Women in Technology) is a global, technical nonprofit organization based in Sacramento, California. Founded by computer scientists Anita Borg and Telle Whitney for technical women, the institute's primary aim is to recruit, retain, and advance women in technology.

organization

organization

Evangelical Christian women's organization in the United States

American non-profit LGBT historical society

charitable organization

campaign

organization

Mongabay (mongabay.com) is an American conservation news web portal that reports on environmental science, energy, and green design, and features extensive information on tropical rainforests, including pictures and deforestation statistics for countries of the world.

Criminon is a program for rehabilitating prisoners using L. Ron Hubbard's teachings. Criminon International, a non-profit, public-benefit corporation managing the Criminon program, was spawned from Narconon International in 2000, and is part of Association for Better Living and Education's public outreach programs. Criminon is promoted by the Church of Scientology International. Independent experts contend that methods used by the program are not supported by any scientific studies.

US-based public charity and fiscal sponsor working to advance progressive policy

nonprofit organization

non-profit organization in the USA

Charity providing aid for orphans in Malawi

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

consumer goods company

foundation