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.
Brain.fm - Music designed for the brain to enhance focus, relaxation, meditation, naps and sleep within 10 - 15 minutes of use.
Sounds of Earth - Listen to relaxing ambient sounds of nature
Supercreative Profiles - Collaborate with super freelance designers.
Serene - The macOS app to get your focus back
Earth.fm - Earth.fm is a non-profit, growing library of pure, high quality nature sounds from around the world.