First time accepted submitter christurkel writes "CDE, the Common Desktop Project, has been open sourced by the Open Group. CDE was created by a collaboration of Sun, HP, IBM, DEC, SCO, Fujitsu and Hitachi. You can find the source here. It has been tested on Debian Squeeze and Ubuntu. Testers are encouraged to join the project. Motif will follow in a few months once some legal issues are sorted out."