bbkeys is the keygrabber for the Blackbox window manager. bbkeys handles all keybindings and keyboard shortcuts for Blackbox. It uses Blackbox's Image classes for rendering its look and feel, so bbkeys will draw itself to match whatever Blackbox style is used. It is highly configurable via the bbconf GUI utility, the included bbkeysconf.pl perl script, or via hand-editing bbkeys's config file.
Waimea is a fast and highly customizable virtual multiple desktop window manager. It has a very advanced style engine with features like Blackbox style support, pixmap style support, and transparent textures through the Xrender extension. Text can be rendered double buffered using both X core fonts and Xft fonts. Waimea also includes a fast lightweight menu system with dynamic menu support. The built-in action configuration system makes it the most configurable window manager available.
WMI is a lightweight window manager for X11 which attempts to combine the best features of larswm, ion, evilwm, and ratpoison into one window manager. It supports both the conventional way of managing windows in a overlapping manner and the screen-alike way of managing windows in a non-overlapping fashion.