Nicebreak - Virtual events for your team that they will love
i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
Roomkey - Gamified social network for virtual events
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.
Selfiebot - The premium robot photo booth
Openbox - Openbox is a highly configurable, next generation window manager with extensive standards support.