i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
M - A personal assistant built inside Facebook Messenger
awesome - A dynamic window manager for the X Window System developed in the C and Lua programming languages.
Operator - Looking for something? Make a request and we'll find it.
dwm - dwm is a dynamic window manager for X. It manages windows in tiled, monocle and floating layouts. All of the layouts can be applied dynamically, optimising the environment for the application in use and the task performed.
Magic - Get whatever you want on demand with no hassle, through SMS