Annie Music - The easiest way to share good music
Noizio - Feeling that the noise of the big city is too much for you to bear?
SOUNDS - Discover music with friends
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.
Spotify - Map shows when two people play same song at same time
zenmix.io - Ambient background sound generator