Noizio - Feeling that the noise of the big city is too much for you to bear?
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.
Defonic - Create a unique sound environment at home or in the office
Moodly - Get a better sense of focus and relaxation by listening to ambient nature sounds.
Noizer - Ambient sounds like Noisli, but free
Hipster Sound - Be productive at home with the sounds of busy cafes.