Proud for Mac - Break down tasks & boost your productivity
Gone - An ephemeral to-do list
Rofocus Chrome Extension - Increase your focus and productivity with ambient sounds
Streaks - The to-do list that helps you form good habits.
Amplenote - Flexible notes and tasks, built by productivity enthusiasts.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.