Monitor your phone's heat with CPU Cooler Master
Process Hacker Is a Powerful, Free Windows Process and Utility Tool
Provides detailed Hyper-V performance monitoring metrics for CPU and memory at the individual VM level
set of CPU, memory, disk, and network monitoring tools for MacOS X
Argus Monitor Checks the Health Status of Your Hard Drive
iBooster provides powerful graphical monitoring of all the device's resources such as CPU, memory, disk usage.