Streaks - The to-do list that helps you form good habits.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
Taskful - Deadlines, meet your match.
Time 2 - Stay focused and crush procrastination
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Timepal Pro - A timer that tracks your time automatically