Hivemapper - Build maps that reveal changes 🌏
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.
Google NightWalk - An audio Streetview tour around Marseille
Noizio - Feeling that the noise of the big city is too much for you to bear?
Urban Jungle Street View - Explore the world through Google Street View: Jungle Mode
zenmix.io - Ambient background sound generator