Earlier quoted context omitted.
It is indeed!
Does it only work for your terminal windows or can you tile any window? Any details on how you set it up, I can't seem to find a lot of info about it.
The easiest way to set it up is to download the Haskell Platform, then cabal install xmonad, and get urxvt through homebrew.
I have my dotfiles up if you want to have a look: github.com/cloudhead/dotfiles.git