WhoCrashed - WhoCrashed reveals the drivers responsible for crashing your computer.
Battle Encoder Shirase - Software that controls per-process CPU usage: an “active” software CPU cooler.
WhatIsHang - Get information about hanging/freezing (stopped responding) Windows program.
Kiwi application monitor - Kiwi application monitor is a small program which lets you monitor your applications/processes, Windows and User activity.
Doctor Dump - Doctor Dump is a free crash reporting and memory dump analyzing service.
Processes - https://www.oneperiodic.com/products/processes/