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.
Wake N Shake Alarm Clock - Wake up with a jolt of energy ready to get shit done.
Noizio - Feeling that the noise of the big city is too much for you to bear?
Alarmy - World's most annoying alarm app
A Soft Murmur - Ambient sounds to wash away distraction.
Wakefy - Turn your Mac into a Spotify alarm clock.