Argus Monitor - Argus Monitor is for monitoring and analyzing the temperature and the health status of the hardware parts of the system.
Process Tamer - Freeware Microsoft Windows utility that monitors the CPU use of applications, alerts when they use too much, and reduces their priority to keep your PC fast.
smcFanControl - [Download] smcFanControl 2.
Big Meter Pro - Big Meter Pro is a utility that monitors the disk and memory of your CPU.
Real Temp - Real Temp is a temperature monitoring program designed for all Intel single Core, Dual Core, Quad...
AMD Overdrive Utility - Personalize your experience with state-of-the-art real-time overclocking*.