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 free alternative to Raygun is GlitchTip, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Raygun and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Raygun are Sentry, New Relic, Laravel Nightwatch and Rollbar.
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.




Monitors applications for errors in real time, sending alerts through email, SMS, or chat, displaying diagnostics and error location, visualizing impact by release, and providing reproducible crash details for efficient troubleshooting across teams and platforms.



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

Tracks event timelines, grouped exception alerts, log searches, SQL query and job performance, third-party integrations, notifications, cache patterns, and scheduled tasks across any Laravel deployment, offering comprehensive health insights and instant setup.




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.



OverOps increases developer productivity and allows organizations to accelerate delivery of reliable software.
Instabug/We deliver Real-Time Contextual Insights throughout the entire mobile app lifecycle, empowering mobile teams to connect with customers, accelerate their workflow, and release with confidence.




Effortless error reporting with real-time feedback for your users. Optimised for the development of Java applications, Eclipse IDE plug-ins and RCP apps.
Errsole is a free open-source logger for Node.js applications. It comes with a built-in log viewer to view, filter, and search your application logs.




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.




A unified logger that routes logs to various logging libraries and cloud providers while providing a fluent API for specifying log messages, metadata and errors.

IQLECT is the creator of Ampere, a real-time big data analytics platform. Various apps for data center infrastructure monitoring, clickstream analysis, log analysis and others can be deployed on the platform.



Pricing plans are a lot more friendly: there is a free plan and on paid plans are only bound to number of reported events per month. On Raygun you also have to pay for additional apps even if they do not generate any events.