Sleepy Baby - Help your baby sleep with the Sleepy Baby soundboard.
Calm - Calm.com can help you reduce stress and increase calm.
Relay - An extension that adds Discord-style chat to every website
Headspace - Meditation made simple. Brilliant things happen in calm minds.
Relaxing Soundscape - Design your own relaxing soundscape for relaxation & sleep.
Rain Room - Listen to curated rain recordings to feel relaxed and cosy