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.
Music on Vine - Vine, now with music. Make 6-second music videos.
Noizio - Feeling that the noise of the big city is too much for you to bear?
Storybeat - Storybeat app comes up with features to help you in changing the background music of your videos in a few simple steps to share your favorite moments with your social media friends.
zenmix.io - Ambient background sound generator
Triller - Make celebrity-quality videos with a few taps of your phone