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Free Software Foundation logo and wordmark.svg
AbbreviationFSF
MottoFree Software, Free Society
FormationOctober 4, 1985; 33 years ago
Type501(c)(3) non-profit organization
Legal status501(c)(3)
PurposeEducational
HeadquartersBoston, Massachusetts, US
Region served
Worldwide
Membership
Individuals
President
Richard Stallman
Budget
$1,373,645 in FY 2017
Staff
11
Websitewww.fsf.org

The Free Software Foundation (FSF) is a 501(c)(3) non-profit organization founded by Richard Stallman on 4 October 1985 to support the free software movement, which promotes the universal freedom to study, distribute, create, and modify computer software, with the organization's preference for software being distributed under copyleft ("share alike") terms, such as with its own GNU General Public License. The FSF was incorporated in Massachusetts, US, where it is also based.

From its founding until the mid-1990s, FSF's funds were mostly used to employ software developers to write free software for the GNU Project. Since the mid-1990s, the FSF's employees and volunteers have mostly worked on legal and structural issues for the free software movement and the free software community.

Consistent with its goals, the FSF aims to use only free software on its own computers.

History