X window managers extensible by scripting

thumb|KDE mascot, Konqi, managing and moving windows KWin is a Wayland compositor and an X window manager. It is released as a part of KDE Plasma, for which it is the default window manager. KWin can also be used on its own or with other desktop environments.

tiling window manager for X Window System

ratpoison is a tiling window manager for the X Window System primarily developed by Shawn Betts. The user interface and much of their functionality are inspired by the GNU Screen terminal multiplexer. While ratpoison is written in C, Betts' StumpWM re-implements a similar window manager in Common Lisp.

thumb|xmonad's Xinerama support: tiling on three screens simultaneously. thumb|xmonad in tiling window manager|tiling mode xmonad is a dynamic window manager (tiling) for the X Window System, noted for being written in the functional programming language Haskell.

window manager for Linux and other Unix