[osxwm]

Thanks for clarifying that, Robert.

The whatever proprietary program Apple uses in OS/X isn't cutting it for me. I spend too much time getting the windows how I want them and it's never quite right. I would like to automatically tessellate my windows as seen in the GOOMWWM. Is there a way to do that in OSX, and if so, what is this type of software called?

[hobin]

Perhaps this: http://www.techradar.com/news/computing/apple/6-best-mac-os-... can be of some use to you.

[avelis]

I use Divvy for my OS X window management. http://mizage.com/divvy/

[wazoox]

I suppose using X11 on OS X it must be possible to use another WM than the one provided by Apple (quartz-wm). After all, they're providing twm, so there must be a way to run it.

[tikhonj]

I think this is exactly correct. My understanding is that you can run a window manager like XMonad (and, in fact, I've met people who do) but then you will only be able to use X programs and not native Mac ones. If all you need is a terminal emulator, a browser and a text editor then this would work perfectly.