Youtine - Develop self-discipline, without using an app.
Streaks - The to-do list that helps you form good habits.
Wheel of Life - Self coaching tool for personal development and goal setting
Taskful - Deadlines, meet your match.
Habit Challenge - Habit Challenge is an elegant mobile app that helps you to create new daily routines and keep you on track.
ToDoList - Windows desktop application to stay on top of your daily tasks.