i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
Time 2 - Stay focused and crush procrastination
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.
Progress Bar OSX - This is your life and it's ending ⏳ one minute at a time
Openbox - Openbox is a highly configurable, next generation window manager with extensive standards support.
Gone - An ephemeral to-do list