GetWiki

Hosted projects

Windowing system and graphics

• Cairo, a vector graphics library with cross-device output support
• Direct Rendering Infrastructure (DRI), a Linux API to access the graphics hardware, used by X11, Wayland compositors, Mesa 3D, etc.
• Glamor,WEB,weblink Glamor, 17 May 2013, freedesktop.org, 31 October 2015, a 2D graphics common driver for X server on graphics chipsets which have support for OpenGL/EGL/GBM APIs
• Mesa 3D, an implementation of several graphics APIs such as Vulkan and OpenGL
• Pixman,WEB,weblink Pixman, pixman.org, a low-level software library for pixel manipulation, providing features such as image compositing and trapezoid rasterization; users include the cairo graphics library and the X.Org Server
• Poppler, a PDF rendering library
• Video Acceleration API
• Wayland, a protocol to replace X11; features: no tearing, lag, redrawing or flicker
• X.Org Server, the official reference implementation of the X11 protocol
• XCB, an Xlib replacement
• Xephyr, a display server
• wlroots, a modular Wayland compositor library

Other

• D-Bus, a message bus akin to DCOP (KDE 3) and Bonobo (GNOME 2)
• Elektra, a library for reading and writing configuration
• FreeType, a text rendering library
• fontconfig, a library for font discovery, name substitution, etc.
• fprint, a library for consumer fingerprint reader devices
• {{anchor|geoclue}}Geoclue, a geoinformation serviceWEB,weblink DIY: Get top-quality open source security tools in one distro, Wallen, Jack, 6 December 2011, News, Tips, and Advice for Technology Professionals, 2019-06-21, 2021-04-18,weblink dead,
• GStreamer, a cross-platform multimedia framework
• GTK-Qt engine, a GTK+ 2 engine which uses Qt to draw the graphical control elements, providing the look and feel of KDE applications to GTK+2 applications
• HAL (Hardware Abstraction Layer), a consistent cross-operating system layer; deprecated and replaced by udev
• kmscon, a userspace virtual console to replace the Linux console; uses the KMS driver and supports Unicode
• luit, a tool used by terminal emulators
• libinput,WEB,weblink [ANNOUNCE] libinput 0.4.0, freedesktop.org, 2014-06-24, a library to handle input devices in Wayland compositors and to provide a generic X.Org input driver. It provides device detection, device handling, input device event processing and abstraction to minimize the amount of custom input code compositors need to provide the common set of functionality that users expect.
• PulseAudio, a sound server frontend providing software mixing, network audio, and per application volume control
• PipeWire, a low-latency server for handling sandbox-friendly audio and video streams on Linux, which provides an implementation of PulseAudio, JACK, and ALSA as well as secure methods for screenshotting and screencasting on Wayland compositors
• systemd, a comprehensive init framework to start and manage services and sessions meant to replace older init models
• Xft, anti-aliased fonts using the FreeType library, rather than the old X core fonts
• pkg-config, a helper program used to generate flags for compiler and linker to include necessary libraries

Base Directory Specification

User directories

{{Code|XDG_DATA_HOME}}

For user application's own data files

Default to {{Code|$HOME/.local/share}}

{{Code|XDG_CONFIG_HOME}}

For user's app configuration files

Default to {{Code|$HOME/.config}}

{{Code|XDG_STATE_HOME}}

For user-specific app session data, which should be stored for future reuse Default to {{Code|$HOME/.local/state}}

May include logs, recently used files, application-specific information (e.g. window layout, views, opened files, undo history, etc.), akin to session data that should be stored by app by request of system session manager, like X session manager

{{Code|XDG_CACHE_HOME}}

For user-specific apps cache files

Default to {{code|$HOME/.cache}}

{{Code|XDG_RUNTIME_DIR}}

For user-specific app runtime files like sockets which must not survive reboot and full logout/login cycles

System directories

{{Code|XDG_DATA_DIRS}}

Colon-separated list of preference-ordered paths to search for data files in

Default to {{Code|/usr/local/share/:/usr/share/}}

{{Code|XDG_CONFIG_DIRS}}

The same as above but for config files Default to {{Code|/etc/xdg/}}

Stated aims

The project aims to catch interoperability issues much earlier in the process. It is not for legislating formal standards. Stated goals include:

• Collect existing specifications, standards, and documents related to X desktop interoperability and make them available in a central location.
• Promote the development of new specifications and standards to be shared among multiple X desktops.
• Integrate desktop-specific standards into broader standards efforts, such as Linux Standard Base and the ICCCM.
• Work on the implementation of these standards in specific X desktops.
• Serve as a neutral forum for sharing ideas about X desktop technology.
• Implement technologies that further X desktop interoperability and free X desktops in general.
• Promote X desktops and X desktop standards to application authors, both commercial and volunteer.
• Communicate with the developers of free operating system kernels, the X Window System itself, free OS distributions, and so on to address desktop-related problems.
• Provide source repositories (gitWEB,weblink freedesktop.org git, Gitweb.freedesktop.org, 2013-09-22, and CVSWEB,weblink ViewVC Repository Listing, WebCVS.freedesktop.org, 2013-09-22, dead,weblink" title="web.archive.org/web/20131008063349weblink">weblink 2013-10-08, ), web hosting, Bugzilla, mailing lists, and other resources to free software projects that work toward the above goals.

See also

• Comparison of source-code-hosting facilities
• Linux on the desktop

References

{{Reflist}}

Sources

• The Big freedesktop.org Interview (Rayiner Hashem & Eugenia Loli-Queru, OSNews, 24 November 2003)

External links

• {{Official website}}

{{Freedesktop.org}}{{FOSS}}{{Software in the Public Interest}}