Yes, I am on KDE binge right now. Well, this is one of those times that I actually decided to really immerse myself into something new. Because KDE is a desktop environment with a whole lot of apps going with it, I might as well try whatever they are, right? So I checked out the KDE applications available and KTimeTracker.
KTimeTracker

If you have a lot of work to do and you want to measure how productive you are, KTimeTracker might be a good tool to consider. You could add a bunch of tasks and subtasks. You only need to select which task to clock in or clock out of.
Other features:

Configuration of the look and feel of the columns for the time tracker, defining what the columns should be available to the user.
Configuring it for the PDA.
What is the desktop’s idle time
The minimum desktop active time
How often should saving be

I [...]

Full story: Clair Ching