Official site of GNUstep: free implementation of NeXTStep/OpenStep specification.

An extensible window manager using a Lisp-based scripting language. All window decorations are configurable and all user-interface policy is controlled through the extension language. This is no layer on top of twm, but a wholly new architecture.

A window manager based on Enlightenment Foundation Libraries.

Guide to window managers for the X Window System. Descriptions, screenshots and configuration files for all popular window managers, along with related resources, including a news and discussion area.

NeXTStep-like windowmanager

Light window manager, without all those annoying library dependencies.

Site dedicated to Development of the AfterStep Window Manager. Includes HTMLized sources, daily activity log, and TODOs.

A standards compliant light-weight extensible window manager.

A fast compact window manager based on the Blackbox, but offering more features.

Based on olwm. Allows large virtual desktops.