MPX: The Multi-Pointer X Server
- MPX is a modification of the X Server, and will be included in 7.4 release. It allows multiple keyboards and mice to be attached to a single system, and also allows these input devices to function independently on the same windowing system.
X Window system
- A resource site for the X Window system. Includes the "Xlib Programming Manual", an xlib tutorial, a C++ program to generate every possible X11 request, the "GWM [Generic Window Manager] Manual", and other documentation.
- An open source implementation of the X Window System. This is the most important underlying software for Linux desktops. The Foundation is chartered to develop and execute effective strategies that provide worldwide stewardship of the X Window System technology and standards.
XStrikeForce/HowToRandR12 - Debian Wiki
- A HOWTO for RandR - the X Resize and Rotate extension. This extension provides automatic discovery of modes (resolutions, refresh rates, etc.) together with the ability to configure outputs dynamically (resize, rotate, move, etc.). (2008)