Headspace - Meditation made simple. Brilliant things happen in calm minds.
i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
Sway - Sway is a drop-in replacement for the i3 window manager, but for Wayland instead of X11.
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.
Sattva - Guided meditations to inspire you to meditate every day
Xmonad - xmonad is a dynamically tiling X11 window manager that is written and configured in Haskell.