sup - The first creep-free way to see nearby friends
Noizio - Feeling that the noise of the big city is too much for you to bear?
Shhh Noise - A free sound generator designed to increase focus and relaxation.
Noizer - Ambient sounds like Noisli, but free
Sampld - Sampld is a sound sharing platform where people can share and download sounds for free.
Defonic - Create a unique sound environment at home or in the office