xfree86 project, inc.

from The Free On-line Dictionary of Computing (8 July 2008)

XFree86 Project, Inc.

   <operating system, graphics> A non-profit organisation that
   produces XFree86, a freely redistributable implementation of
   the {X Window System} that runs on {Unix} and Unix-like
   operating systems and {OS/2}.  The XFree86 Project has
   traditionally focused on {Intel x86} based {platforms} (hence
   the "86"), but the current release supports other platforms.

   (http://xfree86.org/).

   (1999-04-02)