Habits - Habits is an Android app that I wrote to help me work towards my goals by turning them in to habits.
Habitica - Habitica is a free habit building and productivity application.
LifeRPG - Automatically prioritize your goals and gain XP for achieving them. Features:
Habits by Reclaim.ai - Auto-block time on your calendar for all your routines
Coach.me - Coach.me is a coach that goes everywhere with you, helping you achieve any goal, change any habit, or build any expertise.
HabitBull - HabitBull