Oroborus is a small and simple window manager for X which has the following
features:

 o Themeable appearance
 o Virtual desktops
 o Full keyboard control
 o Works with GNOME

Oroborus doesn't provide any kind of dock, toolbar, program launcher,
background changer or root menu as these functions can be provided by seperate
applications.

WWW: http://www.dreamind.de/oroborus.shtml