Habitica - Habitica is a free habit building and productivity application.
LifeRPG - Automatically prioritize your goals and gain XP for achieving them. Features:
Coach.me - Coach.me is a coach that goes everywhere with you, helping you achieve any goal, change any habit, or build any expertise.
Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...
The HabitHub - The HabitHub
Everyday - Take a photo of yourself everyday.