Category

Free software project foundations based in the United States

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Wikimedia Foundation

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.

organization supporting the free software movement

Mozilla Foundation

American non-profit organization

Python Software Foundation

American nonprofit organization

GNOME Foundation

nonprofit organization

Xiph.Org Foundation

non-profit organization that develops free media formats and software

Open Software Foundation

nonprofit foundation

X.Org Foundation

nonprofit organization

Signal Foundation

American non-profit organization

.NET Foundation

organization to improve open-source development around the .NET framework

Open Source Security Foundation

industry forum for the improvement of the security of open source software

Open Source Applications Foundation