Warnly is an open-source exception monitoring platform designed for development teams that demand simplicity, speed, and transparency.
TrackJS Alternatives
TrackJS is described as 'Real-time error tracking for frontend applications, offering detailed analytics on user interactions, customizable data filtering, and integration support' and is a Error Logger in the development category. There are more than 25 alternatives to TrackJS for a variety of platforms, including Web-based, Self-Hosted, SaaS, Mac and Windows apps. The best TrackJS alternative is GlitchTip, which is both free and Open Source. Other great apps like TrackJS are Sentry, Raygun, Honeybadger and Rollbar.
Alternatives list
- 51 Warnly alternatives
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.


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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.

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.
Cost / License
- Subscription
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)


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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.


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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.
Cost / License
- Subscription
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)



Web operations for development teams release tracking, error logging and team collaboration that you can set up in minutes.
Errordeck is an error monitoring and handling service that will help you find and help taking care of errors.



Mothership provides a way for you to schedule automated backups and then sync with those backups in your local development environment as well as collect applications logs and ping your website regularly to ensure it is rendering.


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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.
Cost / License
- Freemium (Subscription)
- Open Source (Apache-2.0)
Application type
Platforms
- Self-Hosted
- Docker
- Kubernetes
- Online
- Software as a Service (SaaS)


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Cost / License
- Free
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)

























