Sway - Sway is a drop-in replacement for the i3 window manager, but for Wayland instead of X11.
BurnoutIndex - Check your burnout risk. Backed by science, forever-free.
Plum Village - Free mindfulness app w/ Zen Buddhist meditations + teachings
Calm - Calm.com can help you reduce stress and increase calm.
Calmind - Be smarter, less stressed, and healthier—just by listening!
Zenify - Raise your consciousness, self-awareness, and mindfulness