Streaks - The to-do list that helps you form good habits.
Rest Your Eyes - Prevent eyestrain caused by screens with the 20-20 rule.
Taskful - Deadlines, meet your match.
Eye Yoga - Improve eyesight, relieve eye strain and prevent presbyopia.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
ToDoList - Windows desktop application to stay on top of your daily tasks.