Benedikt Meurer <benny@xfce.org>
Oliver M. Bolzer <oliver@debian.org>
Francois Le Clainche <fleclainche@wanadoo.fr>
Maarten Boekhold <boekhold@emirates.net.ae>
Brian Tarricone <kelnos@xfce.org>

Parts of the code were copied from gnome-session and ksmserver.