Todoist

With a clean and simple UI, excellent collaboration features, and support for plenty of platforms, Todoist is one of the most feature-rich to-do list apps, and a clear Editors' Choice.

Todoist Web App

Todoist is a cloud-connected task-management service with apps for several platforms, including the Web, shown here.

Task Details in Todoist

When you hover over a task, you can see its details, including whether it is a repeating task, its due date, whether it's associated with a project, and so forth.

Todoist Collaboration

Todoist supports collaboration, which includes sharing lists and assigning tasks to others.

Productivity Karma Trend

Todoist keeps track of how many task you complete and other usage details to give you a productivity and Karma Trend score.

All Tasks Due

In Todoist, you can view all tasks that are due regardless the projects into which you've sorted them.

Natural Language Support in Todoist

Todoist supports natural language, meaning you can type into a due date field "today and once a week" or "every six months," and Todoist will appropriately schedule the task and any recurrences.

Notifications in Todoist

Todoist supports many types of notifications, including those by SMS.

Todoist Backups

Todoist keeps backups of your data so you can restore a previous one if you need.