CDE (Common Desktop Environment) is described as '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' and is a desktop environment in the os & utilities category. There are more than 25 alternatives to CDE (Common Desktop Environment) for a variety of platforms, including Linux, BSD, Windows, Mac and Linux Mobile apps. The best CDE (Common Desktop Environment) alternative is KDE Plasma, which is both free and Open Source. Other great apps like CDE (Common Desktop Environment) are GNOME, Xfce, Cinnamon and Noctalia.