Hamster Personal Time Keeping Tool
Hamster is a free and open source personal time keeping application for Windows, MacOS and Linux. Using this application you can track of how much time you have spent during the day on activities you choose to track. You can create edit and delete activities, categories and tags and filter or group all things easily. It allows you to export reports in html, xml, ical and TSV file formats. It is written in Python and released under GNU General Public License v3.0.