MINDset Mondays by Peter Diamandis - Mental fitness in less than 5 min every Monday.
Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
The Profile - Learn from the world's most successful people
Sleep as Android - Common alarm clocks ignore your sleep cycles, they wake you on schedule no matter your are currently in your deep sleep. Waking up from deep sleep is unpleasant, it makes you tired and it may negatively affect your productivity during the whole day.
Adstra - Let the right information find you
Talalarmo - Minimalistic android alarm