The Free Software Foundation (FSF) is a nonprofit with a worldwide mission to promote computer user freedom and to defend the rights of all software users. The FSF promotes the development and use of free (as in freedom) software—particularly the GNU operating system and its GNU/Linux variants—and free documentation for free software. The FSF also helps to spread awareness of the ethical and political issues of freedom in the use of software.
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The FSF is the main sponsor of the GNU Project, which aims to develop a complete Unix-like operating system which is free software.
The FSF holds copyright on a large proportion of the GNU system, and other free software. It enforces the copyleft requirements of the GNU General Public License (GPL) when copyright infringement occurs on software whose copyright is held by the FSF.
The FSF runs several campaigns to promote free software and to oppose software patents and digital rights management (DRM).
The FSF provides educational materials about free software and the GNU project, including a free software directory and a guide to free software licenses.
The FSF provides legal support for free software projects and developers, including assistance with license compliance and enforcement.
The FSF is headquartered in Boston, Massachusetts, USA.
The FSF offers membership to individuals and organizations who support its mission. Members receive benefits such as discounts on merchandise and invitations to special events.
The FSF relies on donations from individuals and organizations to fund its activities. Donations can be made online through the FSF website.
The FSF offers opportunities for volunteers to contribute to its campaigns, projects, and operations.
The FSF can be contacted via email, phone, or postal mail. Contact information is available on the FSF website.
Security headers report is a very important part of user data protection. Learn more about http headers for fsf.org