i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
Double 2 - Giving you a physical presence when you can’t be there
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.
pgDash - pgDash is a comprehensive monitoring solution designed specifically for PostgreSQL deployments. pgDash shows you information and metrics about every aspect of your PostgreSQL database server, collected using the open-source tool pgmetrics.
Openbox - Openbox is a highly configurable, next generation window manager with extensive standards support.
Nudee - Create a 3D printed "nude selfie" (slightly NSFW)