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freedesktop.org

freedesktop.org hosts open-source projects and XDG specifications for interoperability between graphical and desktop systems on Linux and similar platforms, such as D-Bus, Mesa and PolicyKit. All hosted software is open source, with each project carrying its own licence.

Licensing at a Glance

  • Open source

  1. freedesktop.org hosts development of free and open-source software for graphical and desktop systems and does not itself produce a desktop; all software on the site is available as open source.[1]

  2. The XDG specifications hosted by freedesktop.org may be used and implemented by anyone; freedesktop.org is not a formal standards body and has no compliance test or certification.[2]

  3. Hosted projects are available under open-source licences on equitable terms and do not require Contributor License Agreements that assign more rights to one party than another.[3]

  4. D-Bus is licensed under the user's choice of the Academic Free License 2.1 or the GNU GPL version 2 or later; some standalone binaries are GPL-only.[4]

  5. The core Mesa library is licensed under the MIT licence, while some other Mesa components, such as the GLX client code, use different licences.[5]

Products

References

  1. www · freedesktop.org · retrieved 2026-09-27
  2. www · freedesktop.org · retrieved 2026-09-27
  3. Software · freedesktop.org · retrieved 2026-09-27
  4. dbus COPYING · gitlab.freedesktop.org · retrieved 2026-09-27
  5. License and Copyright — The Mesa 3D Graphics Library latest documentation · docs.mesa3d.org · retrieved 2026-09-27
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