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.
Tingles - Watch ASMR videos on your phone. Videos that make you tingle
A Soft Murmur - Ambient sounds to wash away distraction.
SoundDrown - Ambient sounds to help you focus, relax, and escape
Mishi - Mishi improves your sleep, health and wellbeing through music and sound exploration.
zenmix.io - Ambient background sound generator