Firebase Crashlytics - The most powerful, yet lightest weight crash reporting solution for iOS and Android developers. | Crashlytics
BlueScreenView - Displays information about blue screen crashes occured on your system. (MiniDump Reader)
Sentry.io - From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend.
WhatIsHang - Get information about hanging/freezing (stopped responding) Windows program.
Apptentive - Apptentive’s mobile customer engagement software helps companies listen to, engage with, and retain their customers.
Doctor Dump - Doctor Dump is a free crash reporting and memory dump analyzing service.