Beeminder is a goal-tracking tool with teeth. Use Zapier to send Beeminder data and let Beeminder plot your progress on a Yellow Brick Road to your goal. Keep all your datapoints on the road and Beeminder will always be free. Go off the road and you (literally) pay the price.
Pomodone app enhances your task management by using the Pomodoro technique to boost your efficiency with controlled chunks of productivity. Prioritize your tasks, gain focus on them, and get more work done.
RescueTime helps you understand how you spend your time on the computer by automatically keeping a log of the time you spend on different applications and websites. Having an accurate idea of how you time is spent makes it easy to stay productive and balanced.