Xmonad

XMonad is a fast and lightweight tiling-windowmanager for X11 written, configured and extended in the purely-functional programming language Haskell.

Installation
Generally, there are two ways to install XMonad: Afterwards, if you don't use an display-manager and instead want to start X manually using, you can add following to your  :
 * 1) You can either install it through emerge by typing
 * 2) or you install it with cabal:.
 * will set the usual cursor pointer,
 * will activate the german keyboard-layout
 * will launch xmonad.

Further information

 * The official XMonad homepage
 * XMonad on Wikipedia
 * XMonad on HaskellWiki
 * XMonad on ArchWiki