Defonic - Create a unique sound environment at home or in the office
zenmix.io - Ambient background sound generator
VirtOcean - Build your own unique ocean for relaxation or productivity.
Ruya - A calming space
SoundDrown - Ambient sounds to help you focus, relax, and escape
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.