VirtOcean - Build your own unique ocean for relaxation or productivity.
Defonic - Create a unique sound environment at home or in the office
UI Sounds - Learn sound design for user interfaces by example 🎵
UI Sound Kit 2 - A new pack of 130 clean and neat UI sounds for app makers
Ruya - A calming space
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.