Streaks is a habit tracker that will keep a track of days you've completed your tasks for you. Just don't break the chain and you've built and you're set to build habits!

Any.do is an award-winning all-in-one productivity platform designed to help people and teams stay organized and get more done.

Delightfully simple and deceptively powerful task management. Join 30 million+ people organize billions of tasks in Todoist for their work, education, and personal life.

Wunderlist is a cloud-based task management application. It allows users to manage their tasks from a smartphone, tablet, computer and smartwatch.