The Free Software Foundation (FSF)


A nonprofit with a worldwide mission to promote computer user freedom and to defend the rights of all free software users.


As our society grows more dependent on computers, the software we run is of critical importance to securing the future of a free society. Free software is about having control over the technology we use in our homes, schools and businesses, where computers work for our individual and communal benefit, not for proprietary software companies or governments who might seek to restrict and monitor us.


The Free Software Foundation is working to secure freedom for computer users by promoting the development and use of free (as in freedom) software and documentation — particularly the GNU operating system — and by campaigning against threats to computer user freedom like Digital Restrictions Management (DRM) and software patents.


Our Core Work:


The FSF maintains historic articles covering free software philosophy and maintains the Free Software Definition — to show clearly what must be true about a particular software program for it to be considered free software.


The FSF sponsors the GNU project — the ongoing effort to provide a complete operating system licensed as free software. We also fund and promote important free software development and provide development systems for GNU software maintainers, including full email and shell services and mailing lists. We are committed to furthering the development of the GNU Operating System and enabling volunteers to easily contribute to that work, including sponsoring Savannah the source code repository and center for free software development.


Free Software Foundation

51 Franklin Street, Fifth Floor

Boston, MA 02110-1335



Phone: +1-617-542-5942

Fax: +1-617-542-2652



51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA

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