Refactoring UI - Learn UI design through case studies
i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
Mindful (Beta) - A space for your thoughts, ideas, and ongoing tasks
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.
Divuni - Daily questions - A social mindfulness platform
Openbox - Openbox is a highly configurable, next generation window manager with extensive standards support.