ThrottleStop - ThrottleStop is a lightweight application that was designed primarily for people who use their computers plugged into the wall and do not use the battery.
SpeedFan - Hardware monitor for Windows that can access digital temperature sensors located on several 2-wire SMBus Serial Bus. Can access voltages and fan speeds and control fan speeds. Includes technical articles and docs.
3DP Net - 3DP Net is an online repository full of all the drivers for your PC components.
Argus Monitor - Argus Monitor is for monitoring and analyzing the temperature and the health status of the hardware parts of the system.
PCSpeedUp - PCSpeedUp is a powerful CPU performance analyzer and performance booster software.
iMac HDD Fan Control - iMac HDD Fan Control is an HDD fan control for the Mac operating systems by using which the Mac users can control the speed and noise of the fan of the Mac.