Headspace - Meditation made simple. Brilliant things happen in calm minds.
Power Alarm Clock - Free - Powerful alarm android app to manage even the most complex requirements.
Pacifica - Stress and anxiety relief through beautiful CBT tools
AlarmDJ - Online Alarm Clock - Use YouTube videos or MP3 files as alarm sound. Works offline.
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.
Gnome Clocks - Clock application designed for GNOME 3