Dopaminite - Be more productive, find the balance between work and fun
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
AtTrack - First modular time tracker to improve team's productivity
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.
Superday - Track your activities to find balance between life and work
Remember The Milk - Remember The Milk is a task and time management application for mobile devices.