cpu-utility

CPU Usage Limiter for Linux - cpulimit is a simple program which attempts to limit the cpu usage of a process (expressed in percentage, not in cpu time). This is useful to control batch jobs, when you don't want them to eat too much cpu.

Intel XTU is a Windows*-based performance-tuning software that enables novice and experienced enthusiasts to overclock, monitor, and stress a system. The software interface exposes a set of robust capabilities on Intel® Platforms.

ThrottleStop is a small application designed to monitor for and correct the three main types of CPU throttling that are being used on many laptop computers.