Time Doctor allows you to track time on Pivotal Tracker tasks and projects and has extra features to provide detailed analytics of where time is spent. The software includes information on websites and applications visited by your team when working. There is also an optional feature to see screenshots of the computer screen when working.
Time Doctor is especially targeted towards remote teams where the team leader wants to understand exactly where time is spent in the team and what everyone is working on.
Use Tracker's top-notch API documentation to make apps that best suit your needs and enhance your experience.