AirBrake - Airbrake is the leading exception reporting service, currently providing error tracking.

Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.

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.

Bird Eats Bug - Saw a bug? Send an instant replay to engineers. It will come with console logs and everything. Developers will ❤️ you.

Disbug - Bug reporting tool that records screen and posts to Jira along with console & network logs

elmah.io - The coolest cloud based error management system for .NET web applications. Based on the de-facto standard error component ELMAH, logging errors from your webserver have never been this easy. Full-text search, notifications, API and much more.