Habit List - Create good habits and break bad ones with the app that keeps you focused.
Habitica - Habitica is a free habit building and productivity application.
Momentum - Agile goal and performance management
Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...
Google Calendar - Spend less time managing your day & more time enjoying it
Streaks - The to-do list that helps you form good habits.