No features have been listed yet.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
15Five - 15Five software elevates the performance and engagement of employees by consistently asking questions and starting the right conversations.
Leantime - Lean project management for startups & small teams
Remember The Milk - Remember The Milk is a task and time management application for mobile devices.
Planka - Planka is an open source project management software similar to Trello.