Taskful
Gone
Streaks
Todoist
Taskade
Asana
ToDoList
Any.DO
Habit
Everyday
Habitify
Habitica
Habit List
Streaks
Loop Habit Tracker
everyday.app
Taskful
HabitGone - An ephemeral to-do list
Everyday - Take a photo of yourself everyday.
Streaks - The to-do list that helps you form good habits.
Habitify - The easiest way to keep track of your habits
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Habitica - Habitica is a free habit building and productivity application.