Linux windowing system-related software

Compiz
Compiz is a compositing window manager for the X Window System, using 3D graphics hardware to create fast compositing desktop effects for window management.

elementary (software project)
elementary is a free software project started in 2007.

Exposé clone
Exposé clone refers to computer software which mimics the window switching feature of Mac OS X operating system called Exposé.

KWin
KWinKWin is a window manager for the X Window System.

KXDocker
KXDocker is a program for the Linux operating system created by Ing.

Mutter (window manager)
In computing, Mutter is the window manager for which GNOME Shell is a plugin in GNOME 3, replacing Metacity.

NX technology
NX technology is a computer program that handles remote X Window System connections, and attempts to greatly improve on the performance of the native X display protocol to the point that it can ...

ROX Desktop
The ROX Desktop is a graphical desktop environment for the X Window System.

Skippy (X)
Skippy is a window management tool for X11 similar to Mac OS X's Exposé feature.

Ulteo
Ulteo is an open source Virtual Desktop infrastructure project based on a GNU/Linux.

Wammu
Wammu is a computer program that can manage contacts, calendar schedules or messages on a cellphone.

Wine-Doors
Wine-Doors is a free and open source application-management tool for the GNOME desktop which adds functionality to Wine.