clfswm : 100% Common Lisp X11 window manager (based on Tinywm and Stumpwm) ( http://common-lisp.net/project/clfswm )
muffin : Compositing window manager forked from Mutter for use with Cinnamon ( http://cinnamon.linuxmint.com/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a open-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/open-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org