Fluxbox - Fluxbox is a window manager for X that was based on the Blackbox 0.61.1 code.
i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
KWin - KWin is a window manager for the X Window System, and is in the process of becoming a Wayland...
qtile - Qtile is a full-featured, hackable tiling window manager written in Python.
Openbox - Openbox is a highly configurable, next generation window manager with extensive standards support.
Compiz - Project information. Maintainer: PS Project Management Team. Driver: Compiz Maintainers. Licence: GNU GPL v2, GNU LGPL v2. 1, MIT / X / Expat Licence.