Moodwill - Create and listen for free to your perfect nature sounds environment with music to help you concentrate, relax, sleep and overall feel better.
Brain.fm - Music designed for the brain to enhance focus, relaxation, meditation, naps and sleep within 10 - 15 minutes of use.
Noisli - Noisli is a fantastic background noise and color generator for working and relaxing. Online soothing ambient sounds like White noise, Rain and Coffee Shop.
Soundlove.io - Choose and mix from 100+ high-quality sounds and noises to improve focus or relax.
Silenz - Mix ambient noise in with the music you're listening to
Can't Sleep - AI music scientifically designed for sleep