Habitica - Habitica is a free habit building and productivity application.
BioBase - Measure and manage your stress
Coach.me - Coach.me is a coach that goes everywhere with you, helping you achieve any goal, change any habit, or build any expertise.
Headspace - Meditation made simple. Brilliant things happen in calm minds.
SuperBetter - Empower youth mental health through schools and sports
Time 2 - Stay focused and crush procrastination