Download Unix Desktop Environment Project (UDE) for free. The UDE-Project is creating a new Desktop Environment for X11. The entirely original look & feel is mainly optimized for efficient shell usage (as for programming, sysadministration etc).

Download CDE - Common Desktop Environment for free. The Common Desktop Environment, the classic UNIX desktop. The Common Desktop Environment was created by a collaboration of Sun, HP, IBM, DEC, SCO, Fujitsu and Hitachi. Used on a selection of commercial UNIXs, it is now available as open-source software for the first time.