[recraft]

I've had success with kwm[0], it works more like bspwm than i3 but has been the best tiling experience I've found on OS X. (And has focus follows mouse!!!!)

[0] https://github.com/koekeishiya/kwm

[bphogan]

I tried this but experienced random crashes and stuff so I gave up. I plan to look at it when it's a little more along.