Brain.fm - Music designed for the brain to enhance focus, relaxation, meditation, naps and sleep within 10 - 15 minutes of use.
Meditation Apps Directory - Apps that will improve your focus, mindfulness, sleep & more
Calm - Calm.com can help you reduce stress and increase calm.
Meditation Studio - Curated collections of guided meditations
Medito - 100% Free Meditation App that will improve your Mental wellbeing with the help of Guided Meditations, Breathing Exercises, Mindfulness Practices, Relaxing Sounds, and more.
Sway - Sway is a drop-in replacement for the i3 window manager, but for Wayland instead of X11.