The X.Org project exists as part of a family of related projects that contribute to the development of the X Window System.

 * [[http://www.freedesktop.org|freedesktop.org]]
 * [[http://dri.freedesktop.org/wiki/|DRI Wiki]] useful information about using Direct Rendering with Xorg
 * [[http://cairographics.org/|Cairo]]
 * [[http://www.xfree86.org|The XFree86 Project, Inc.]]
 * [[http://www.gnome.org/|Gnome]]
 * [[http://www.kde.org/|The K Desktop Environment]]
 * [[http://enlightenment.org/|Enlightenment]]
 * [[http://www.ltsp.org/|Linux Terminal Server Project]]
 * [[http://x.cygwin.com/|Cygwin/X]]
 * [[http://compiz.org/|Compiz]]
 * [[http://www.opencroquet.org|Croquet Project]]
 * [[https://lg3d-core.dev.java.net/|Project Looking Glass]]
 * [[http://www.freedesktop.org/wiki/Info|The freedesktop.org info page]] has links to many worthwhile projects.