zenmix.io - Ambient background sound generator
Running by Gyroscope - Collect and share your favorite runs — with maps, photos, calories, and other stats.
Studiowave - Chillout tunes and inspiration
Enough Sleep - Boost your performance by getting enough sleep!
SoundDrown - Ambient sounds to help you focus, relax, and escape
Pzizz - Sleep at the push of a button! Now with "Focus"