Habitica - Habitica is a free habit building and productivity application.
Way of Life - Habit tracking on iOS
LifeRPG - Automatically prioritize your goals and gain XP for achieving them. Features:
HabitHub - HabitHub is a great mobile app that helps you to plan your daily schedule to organize your life.
Coach.me - Coach.me is a coach that goes everywhere with you, helping you achieve any goal, change any habit, or build any expertise.
Little Big Steps App - Use Little Big Steps to increase effort and discipline for life goals. Mark yourself out of 10 each day and become accountable to yourself!