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.
Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
AirBrake - Airbrake is the leading exception reporting service, currently providing error tracking.
Bird Eats Bug - Saw a bug? Send an instant replay to engineers. It will come with console logs and everything. Developers will ❤️ you.
TrackJS - JavaScript Error Tracking for Modern Web Applications
Disbug - Bug reporting tool that records screen and posts to Jira along with console & network logs