Easy Noise - A simple Android app to play white noise.
Blanket - Improve focus and increase your productivity by listening to different sounds. Or allows you to fall asleep in a noisy environment.
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.
MyNoise - Custom shaped online noise machines. Many Many generic sounds
noice - Emoji Your Friends Can Hear (😃 + 🔊)
Noizio - Feeling that the noise of the big city is too much for you to bear?