SensorsView is a utility, that monitors the temperature of your CPU, northbridge, motherboard, VGA and hard disks, voltages and fan speeds (as supported by your motherboard).
A screen saver showing what time it is from a collection of new free screensavers from http://www.newfreescreensavers.com. Clearly free screensavers. No spyware, no adware, viruses free. It's safe to install and run.
Compare two MS PowerPoint files and create a report showing the differences between the two. Save results as text files. PowerPoint 2000 or higher required.