Editing Freedesktop.org (section)

===Windowing system and graphics===
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Software related to [[windowing system]]s and graphics in general
* [[Cairo (graphics)|Cairo]], a vector graphics library with cross-device output support
* [[Direct Rendering Infrastructure]] (DRI), a [[Linux kernel interfaces#Kernel–user space API|Linux API]] to access the graphics hardware, used by [[X Window System|X11]], [[Wayland compositor]]s, [[Mesa 3D]], etc.
* [[Glamor (software)|Glamor]],<ref>{{cite web |url=http://www.freedesktop.org/wiki/Software/Glamor/ |title=Glamor |date=17 May 2013 |website=freedesktop.org |access-date=31 October 2015}}</ref> a 2D graphics common driver for [[display server|X server]] on graphics chipsets which have support for [[OpenGL]]/[[EGL (API)|EGL]]/[[Generic buffer management|GBM]] APIs
* [[Mesa 3D]], an implementation of several graphics APIs such as [[Vulkan]] and [[OpenGL]]
* Pixman,<ref>{{cite web|url=http://www.pixman.org/|title=Pixman|work=pixman.org}}</ref> a low-level software library for pixel manipulation, providing features such as image compositing and trapezoid rasterization; users include the [[cairo (graphics)|cairo graphics library]] and the [[X.Org Server]]
* [[Poppler (software)|Poppler]], a [[PDF]] rendering library
* [[Video Acceleration API]]
* [[Wayland (protocol)|Wayland]], a protocol to replace X11; features: no [[frame tearing|tearing]], lag, redrawing or [[flicker (screen)|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