Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Annotate.tv - Optimize your learning on YouTube
Prodeus - Track your time learning on YouTube to earn your free degree
Slid - Capture knowledge from online videos, courses, and webinars
Todo - Todo is a to-do and task list app.
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.