Dwm (dynamic window manger) is a simple and lightweight tiling window manager. It can tile, stack, and go full-screen among other options.

Install an appropriate package:

dwm-6.0.pet packaged by aragon

Echinus - fork of Dwm that aims to have easy configuration

Dwm homepage

dwm-6.0.pet thread

Dwm discussion thread

Dwm (archlinux.org)