WhoCrashed - WhoCrashed reveals the drivers responsible for crashing your computer.
WhatIsHang - Get information about hanging/freezing (stopped responding) Windows program.
BlueScreenView - Displays information about blue screen crashes occured on your system. (MiniDump Reader)
Doctor Dump - Doctor Dump is a free crash reporting and memory dump analyzing service.
PrcView - AJAX development tools
Firebase Crashlytics - The most powerful, yet lightest weight crash reporting solution for iOS and Android developers. | Crashlytics