Ruya - A calming space
Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
Defonic - Create a unique sound environment at home or in the office
SleepBot - SleepBot is a sleep tracking app available in Google Play and the Apple App Store.
Spaces.FM Beta - Binaural sounds to improve focus and boost your productivity
Talalarmo - Minimalistic android alarm