i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
Effortless - Stay focused and beat procrastination on your Mac.
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.
Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
Openbox - Openbox is a highly configurable, next generation window manager with extensive standards support.
Memory by Timely - An intelligent timeline of everything you did in a day.