About TaskTime4 A straightforward method of tracking time spent on jobs you do for your clients. It can generate invoices which can be emailed, printed, and saved to disk. Features include: – Simple, easy to use interface. – Automatic calculation of total time spent on projects. – Automatic calculation of total amount owing. – Creation of clear and attractive invoices. – Ability to save, print, and copy invoices. – Work with any number of clients. – Track multiple projects for each client.