[awesomebob]

Nice!

I think this is the other one you were thinking of: https://github.com/tsurai/xr3wm

[FreeFull]

There is a different one based on wlc (So it's a wayland compositor, rather than just an X11 window manager). The one you linked doesn't seem to have been updated since 2015

Edit: Here it is: https://github.com/Immington-Industries/way-cooler