AIDA64 - AIDA64 is a system information, diagnostics and benchmarking solution for Windows PC.
Prime95 - Prime95 is a program that searches for new Mersenne prime numbers.
HeavyLoad - The individual test methods employed by HeavyLoad can be customized to fit your needs.
Linx - Integration and automation platform for growing businesses
CPU Frequency Selector - Cinnamon CPU Frequency Selector Applet
GtkStressTesting - GtkStressTesting or GST is a system utility designed to test and monitor various hardware components.