The X.Org Foundation is a non-profit corporation chartered to research, develop, support, organize, administrate, standardize, promote, and defend a free and open accelerated graphics stack.

The X.Org Foundation does provide communication tools (in relation with freedesktop.org), an annual physical meeting and money to help developing the free graphics stack.

The X.Org Foundation organizes the annual X.Org Developer's Conference (XDC) and sponsors students to work on X.Org as part of their X.Org Endless Vacation of Code (EVoC) initiative.

Along with reference implementation of X protocol, the X.org Foundation hosts development of several utilities and example applications, including xcalc on-screen calculator, xclock simple digital and analog clock, xedit text editor, xload periodically updated histogram of the average system load, xterm terminal emulator, and xeyes which shows, by default, a pair of eyes that follow the mouse cursor.

As of April 2013, the Board of Directors consisted of Alan Coopersmith, Alex Deucher, Martin Peres, Matt Dew, Matthias Hopf, Peter Hutterer (Secretary), Stuart Kreitman (Treasurer), and Keith Packard.