CPU-Z is a freeware that gathers information on some of the main devices in the system.

Core Temp is a compact, no fuss, small footprint, yet powerful program to monitor processor temperature and other vital information.

RMClock is a CPU Clock Utility.

OpenELEC (Open Embedded Linux Entertainment Center) is a Linux distribution designed for home theater PCs and based on the Kodi (XBMC) media player.

PerformanceTest is a benchmarking tool.