Source : Free On-Line Dictionary of Computing

X Consortium
     
        A vendor consortium supporting development, evolution and
        maintenance of the {X Window System}.  The X Consortium is an
        independent, not-for-profit company.  It was formed in 1993 as
        the successor to the {MIT} X Consortium, a research group of
        the MIT {Laboratory for Computer Science}.
     
        {(ftp://ftp.x.org)}.  {(http://www.x.org/)}.
     
        [Members?]