[ramblex]

vim works on mac anyway - macvim for gvim equivalent. As far as I know there aren't any decent tiling wms for mac.

[johncoltrane]

You can use dwm/awesome/wmfs & co under XQuartz, installation and configuration work almost like in Linux.

That said, I use ShiftIt(1), it's free, keyboard based and does EXACTLY what I want it to do.

(1) https://github.com/iamteem/ShiftIt

[jarin]

There are quite a few nice tiling utilities for Mac :)

http://www.irradiatedsoftware.com/cinch/ (for mouse)

http://www.irradiatedsoftware.com/sizeup/ (for keyboard)

http://autumnapps.com/breeze/

http://mizage.com/divvy/ (the one I use)