GlitchTip's open source platform makes monitoring software easy. Track errors, monitor performance, check site uptime all in one place. Compatible with Sentry client SDK but easier to run and entirely open source.




The best Error Logger alternative to CatchJS is GlitchTip, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to CatchJS and 16 are Error Loggers so hopefully you can find a suitable replacement. Other interesting Error Logger alternatives to CatchJS are Sentry, TrackJS, Raygun and Honeybadger.
GlitchTip's open source platform makes monitoring software easy. Track errors, monitor performance, check site uptime all in one place. Compatible with Sentry client SDK but easier to run and entirely open source.




Sentry’s real-time error tracking gives you insight into production deployments and information to reproduce and fix crashes—before your users contact you.



Enhance your frontend applications with real-time JavaScript error tracking that captures detailed analytics, filters out noise, and offers customizable rules. Integrate seamlessly with existing systems or use separately by leveraging extensive documentation and support from a committed team starting at $49.


Raygun error, crash, and performance monitoring helps customer-centric teams detect, diagnose, and resolve software issues impacting real end-users.




Honeybadger is an application health monitoring tool built by developers for developers. It's everything you need to keep production happy—and nothing you don't.




Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring.

Rollbar collects errors that happen in your application, notifies you, and analyzes them so you can debug and fix them. JavaScript, Ruby, Python, PHP, Node.js, Android, Flash, .NET, and Java libraries are available.



Self-hosting Sentry is a nightmare. Telebugs makes it easy. Fully compatible with Sentry SDKs, it catches errors and exceptions and notifies you instantly.




Bugsnag automatically detects errors in your mobile, front-end, and back-end applications, and provides your team the tools to fix things fast. Bugsnag provides clear insights on the frequency and user impact of each error, so your team can make informed prioritization decisions.

May be the coolest cloud based error logger for .NET web applications. Based on the de-facto standard error component ELMAH, logging errors from your webserver requires nothing more than installing a NuGet package.


Get deeper insights into performance issues and crashes which is affecting your apps using Atatus performance monitoring and error tracking service. Try Atatus for 14 days free trial.




Real-time application monitoring and exception reporting so you can analyze and improve your apps and deliver rock-solid solutions that behave as expected across all usage scenarios.



