Stumpwm is a tiling, keyboard driven X11 window manager written entirely in Common Lisp. While it is minimalistic in appearance, its full customizability, event hooks, and 100% pure Lisp implementation make it startlingly powerful.
License: GNU General Public License (GPL)
Changes:
Virtual desktops, a status line, color text, Xinerama support, XRandR support, improved customizability, improved stability, and much more.
More...