LuCI - LuCI is an OpenWrt Configuration Interface.
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.
LucidDreamBot - The easiest way to achieve lucid dreaming
Noizio - Feeling that the noise of the big city is too much for you to bear?
Aurora - Download apks from Google Play Store
A Soft Murmur - Ambient sounds to wash away distraction.