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