The Motif Developer: http://www.motifzone.com/
The Open Group: http://www.osf.org/motif/
Red Hat Software, Inc.: http://www.redhat.com/
Metro Link, Inc.: http://www.metrolink.com/
Kenton Lee: http://www.rahul.net/kenton/xsites/
Lesstif Home Page: http://www.lesstif.org/