OpenTempus can track the time you spend with each software with the help of this tool. openTempus is an Open Source automatic time tracking tool that doesn't require any human intervention. Every few seconds openTempus saves in a database your current window title and software name, therefore it records your computer activity.

This software enables you to link applications or window title names to custom tasks in categories and get reports of your computer usage.

OpenTempus Features:
1. No human intervention required, but you can add your own time tracks manually (ie. time spent on the phone).
2. Privacy options.
3. Full reports (html, excel).
4. Task management (suitable for project management).
5. Extensible: plugins for reports and data storage.
6. Idle status management.
7. Installation not needed, 100% portable.
8. Uses little resources.

The license of this software is Free, you can free download and free use this timesheet software.