Topic: Window Managers, Gnome, K Desktop Environment (KDE)User Interface: X Window System (X11), Project is a window manager, Project is a graphics toolkit, Project is a user interface (UI) systemTranslations: EnglishProgramming Language: C++, COperating System: OS Portable (Source code to work with many OS platforms), Cygwin (MS Windows), Linux, All BSD Platforms (FreeBSD/NetBSD/OpenBSD/Apple Mac