CPU TrueSpeed will calculate the actual speed (frequency) of the microprocessor.
Get information about your processor, RAM, motherboard, and graphics card.
CPU Speed Pro is a benchmarking tool for processor performance.
Tweak CPU core parking and frequency scaling in real-time.
SpeedswitchXP - CPU frequency control for notebooks running Windows XP.
RMClock is a small GUI application designed for real-time CPU frequency.
You can raise and lower the CPU ratio, BCLK frequency and CPU VCore voltage.
Liberty Instruments, Inc.
SynRTA is a freeware soundcard-based audio frequency response analyzer.
Handy and freeware program to keep track of your CPU usage.
Texas Instruments Inc
A tool to jumpstart radio frequency development in the sub-GHz frequency range.
Active CPU displays cpu usage in text or as graphs.
CPU Eat n Cool is an application that cools your CPU.
FasterWin CPU quota tool lets you set CPU quotas to applications and services.
3D CPU Meter is a small and simple application that shows you the CPU usage.