Catalyst will tell you when your webapp breaks and help you fix it, so you can spend more time building and less time keeping your webapp up.




Bugsnag is described as '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' and is a Error Logger in the development category. There are more than 25 alternatives to Bugsnag for a variety of platforms, including Web-based, Android, iPhone, Self-Hosted and SaaS apps. The best Bugsnag alternative is GlitchTip, which is both free and Open Source. Other great apps like Bugsnag are Sentry, Rollbar, Quash Report and TrackJS.
Catalyst will tell you when your webapp breaks and help you fix it, so you can spend more time building and less time keeping your webapp up.




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.





Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. It combines metrics, logs, traces, continuous profiling, and SLO-based alerting with predefined dashboards and inspections.




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.

Mission Control will scan uptime, SEO, domain, SSL but also handle error logging, app alert notifications through Slack and email.



Errordeck is an error monitoring and handling service that will help you find and help taking care of errors.



Bug reporting tool for mobile apps that helps testers to report bugs easier and enables developers to solve them faster. It offers user attachments, tags, usage data, activity history, and device details with every bug report.




Doctor Dump is a free crash reporting and memory dump analyzing service. Its work is to collect software problem reports (crashes, failures, assert violations and so on) from your customers all over the world, to group them and to give you all necessary data to fix the problem.



