Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Focuster - Ditch your todo list for an intelligent scheduler
Todo - Todo is a to-do and task list app.
Prodeus - Track your time learning on YouTube to earn your free degree
Taskbook - Like Trello but for the Terminal
Thrive - Thrive is an intuitive tool to manage your business using the latest trends in Project Management, Dashboards, Customer Relationship Management & Accounting