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.




Trakerr.IO is described as '- track errors, prioritize and fix them with the next generation application intelligence platform' and is a Error Logger in the development category. There are more than 10 alternatives to Trakerr.IO, not only websites but also apps for a variety of platforms, including Self-Hosted, SaaS, Ruby on Rails and Docker apps. The best Trakerr.IO alternative is GlitchTip, which is both free and Open Source. Other great sites and apps similar to Trakerr.IO are Sentry, TrackJS, App Enlight and Airbrake.
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.


App Enlight- provides a helpful interface to let you and your team save time spent on debugging and reproducing errors and performance problems from a production environment.

Airbrake collects errors generated by other applications, and aggregates the results for review.

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.


Reactflow give insight for marketers, product managers and UX designers about how their users experience their website. It reconstruct visitors activity like a movie for playback, while providing extracted console log, Heatmaps and funnel analytics.




Unbloated, yet feature rich. CatchJS provides JavaScript Error Tracking the way it should be. It notifies you when new errors happen, and gives you stack traces, screenshots, click trails, source maps so you can reproduce and fix the error easily.



Buglesstack is a debugging platform for browser automation tools like Puppeteer, Selenium, Playwright, and Cypress. It captures crash screenshots, HTML snapshots, and stack traces to help developers detect, log, and fix errors in headless browser scripts.




Errbit is a tool for collecting and managing errors from other applications. It is Airbrake (formerly known as Hoptoad) API compliant, so if you are already using Airbrake, you can just point the airbrake gem to your Errbit server.




Monitor actual user JavaScript errors as they happen. JSMonitor features real-time alerts, prioritization, and tracking features to squash JavaScript errors forever.
Warnly is an open-source exception monitoring platform designed for development teams that demand simplicity, speed, and transparency.