While my title indicates this is only for Visual Studio Online this great tool definitely still works with both Microsoft Team Foundation Server or Visual Studio Online.
The newly modernized Imaginet Timesheet is an easy-to-use time tracking and reporting tool that is perfect for organizations already using TFS 2010, 2012 or 2013 or Visual Studio Online. As the creator of one of the first ever time tracking products for TFS, Imaginet has been the leader in TFS time recording and reporting. With this new release of Imaginet Timesheet for Team Foundation Server and VS Online, Imaginets continues to provide the simple and easy to use TFS time tracking solution.
For full details and download information, please visit: http://www.imaginet.com/imaginettimesheet.
Benefits of Imaginet Timesheet for TFS and VSO:
✓ Easily track and report daily hours against TFS work items
✓ Understand how team members spend their time through the use of our time tracking
reports and dashboards
✓ Easy to access, with both a web interface and integration with Visual Studio
✓ Improved user experience with a modernized UI and hierarchical work item support
✓ Simple to use, out-of-the-box reports and dashboards
✓ Free to get started with our Community Edition
And best of all, it is free to get started with the Imaginet Timesheet Community Edition (free for up to 5 users). For more information and to download Imaginet Timesheet, please visit: http://www.imaginet.com/imaginettimesheet.