Free computer usage software for windows

Computer Usage Timer runs is a useful utility which silently times how long the computer is in use Computer Usage Timer runs is a useful utility which silently times how long the computer is in use (in use in this case means the keyboard and mouse are actively being used). Using the report view, you can see when someone started using the computer, when they stopped and the total time for that session.
Computer Usage Timer also includes the ability to password-protect the application so no one but you can view the reports. If you dont need this utility for parenting, it still is fun to see how long you sit in front of a computer during the day.
System requirements:
- Microsoft .NET Framework 2.0
Version restrictions:
- 30-day trial

The EiT Clock wont just simply show the current time and date, but it can also show you the CPU usage.
The date and CPU usage are incorporated into the design of the logo and can be turned on and off.
EiT Clock & CPU usage widget lets you monitor your CPU, besides being a fancy designed desktop clock.

Ever wanted to know everything about your computer andsee it within one application? Then this is a great program for you. It monitores the usage of you phisical memory, it shows you the DirextX version you are using, what type of processor(s) you have, tells you a lot about your hard disks, and a lot more. Also a few fun things are included, such as hiding the taskbar and disabling the Ctrl+Alt+Del combination.