WinDbg - WinDbg is a multipurposed debugger for Microsoft Windows, distributed on the web by Microsoft as...
WhoCrashed - WhoCrashed reveals the drivers responsible for crashing your computer.
X64dbg - X64dbg is a debugging software that can debug x64 and x32 applications.
WhatIsHang - Get information about hanging/freezing (stopped responding) Windows program.
OllyDbg - OllyDbg is a 32-bit assembler level analysing debugger.
Doctor Dump - Doctor Dump is a free crash reporting and memory dump analyzing service.