CPU Frequency Selector - Cinnamon CPU Frequency Selector Applet
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.
SiSoftware Sandra - SiSoftware Sandra (the System ANalyser, Diagnostic and Reporting Assistant) is an information &...
smcFanControl - [Download] smcFanControl 2.
PC Wizard - THIS SOFTWARE IS NO LONGER MAINTAINED.PC-Wizard is an utility designed to analyze and benchmark your computer system. CPU and memory subsystem (caches, RAM ...). Graphics and video. Hard disks, CD/DVD, Removable/FLASH medias.
Argus Monitor - Argus Monitor is for monitoring and analyzing the temperature and the health status of the hardware parts of the system.