Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Prodeus - Track your time learning on YouTube to earn your free degree
Plan - Plan is a better way to organize.
Todo - Todo is a to-do and task list app.
Drag for Gmail - Transform Gmail into organized To Do lists (like Trello)
Edison Calendar - Edison is a calendar app that helps you break big goals into multiple smaller milestones such that you have action items every day.