Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Taskade for Chrome & Firefox - Turn your new tab into a team checklist, note, outline ⚡️✏️✅
Todo - Todo is a to-do and task list app.
Notational Velocity - Notational Velocity: modeless, mouseless Mac OS X note-taking application
Prodeus - Track your time learning on YouTube to earn your free degree
Notational - Notes at the speed of thought