Pioneer - Pioneer is a space adventure game set in the Milky Way galaxy at the turn of the 31st century.
i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
EVE Online - Player-created empires, player-driven markets, and endless ways to embark on your personal sci-fi adventure.
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.
Pioneer Scout Plus - A game of missions, trade and space combat in the 31st century using the Pioneer Space Sim engine...
Openbox - Openbox is a highly configurable, next generation window manager with extensive standards support.