Brain.fm - Music designed for the brain to enhance focus, relaxation, meditation, naps and sleep within 10 - 15 minutes of use.
Noizio - Feeling that the noise of the big city is too much for you to bear?
Calm - Calm.com can help you reduce stress and increase calm.
A Soft Murmur - Ambient sounds to wash away distraction.
Medito - 100% Free Meditation App that will improve your Mental wellbeing with the help of Guided Meditations, Breathing Exercises, Mindfulness Practices, Relaxing Sounds, and more.
Defonic - Create a unique sound environment at home or in the office