- xfce, xfclock, xfbd, xfmouse & xfsound are written by :
  Olivier Fourdan (fourdan@xfce.org)

- xftree is based on xtree (C) Rasca Gmelch :
  Rasca Gmelch <thron@gmx.de>

- xfwm and xfpager are originally based on fvwm and fvwm2 from :
  Robert Nation
  Charles Hines

- xfgnome is based on Gnome module for Afterstep by :
  Rafal Wierzbicki <rafal@mcss.mcmaster.ca>

Patches contributed by (in no special order)

- Guido Draheim <guidod@gmx.de>
- <anubis@dotd.mudservices.com>
- Adam Sampson <azz@gnu.org>
- Albert Chin-A-Young <china@thewrittenword.com>
- Yamahata Kenichiro <mogutan@din.or.jp>
- Beau Kuiper <ekuiperba@cc.curtin.edu.au>
- Joakim Andreasson <karanne@flashback.net>
- Francois Petitjean <francois.petitjean@bureauveritas.com>
- Khadiyd Idris <khadx@francemel.com>

