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