Compiz
Desktops
Compiz is an OpenGL compositing manager that use GLX_EXT_texture_from_pixmap for binding redirected top-level windows to texture objects. It has a flexible plug-in system and it is designed to run well on most graphics hardware.
Desktops
Gnome
Desktops, Window Managers
Gnome is Free Software and part of the GNU project, dedicated to giving users and developers the ultimate level of control over their desktops, their software, and their data.
IceWM
Desktops
IceWM is a window manager for the X Window System (freedesktop, XFree86). The goal of IceWM is speed, simplicity, and not getting in the
user’s way.
KDE
Desktops
KDE or the K Desktop Environment, is a network transparent contemporary desktop environment for UNIX workstations. KDE seeks to fulfill the need for an easy to use desktop for UNIX workstations, similar to desktop environments found on Macintosh and Microsoft Windows operating systems.
Xfce
Desktops
Xfce is a lightweight desktop environment for various *NIX systems. Designed for productivity, it loads and executes applications fast, while conserving system resources.