Hello Habit - Connecting like-minded people forming good habits
Habit List - Create good habits and break bad ones with the app that keeps you focused.
(Not Boring) Habits - (Not Boring) Habits combines the best behavioral science with the fun, motivational power of gaming to not just track habits but to build them.
HabitCoach - Habits to follow from the best life-changing books.
Habits by Reclaim.ai - Auto-block time on your calendar for all your routines
Habitica - Habitica is a free habit building and productivity application.