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.
Vicinity - High Quality Ambient Background Sounds in your macOS MenuBar
Sounds of Earth - Listen to relaxing ambient sounds of nature
THINK thenlive - Location-based social media
Noizio - Feeling that the noise of the big city is too much for you to bear?
chatback - Automatically connect to people around you & chat