Pomodoro Time Tracker
If you're a fan of the Pomodoro technique and paper-based planning then this planner is for you. The FlipPomodoro allows you to write down all of your tasks and mark off your Pomodoros and breaks against them so you can keep track of how much time you've been working on each task. For more information on how the Pomodoro technique works read my "Ultimate Guide To The Pomodoro Technique