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 Uptime Monitor 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 four of them are Uptime Monitor Services so hopefully you can find a suitable replacement. Other interesting Uptime Monitor Service alternatives to CatchJS are Honeybadger, New Relic and Mission Control by Grafite.
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.




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.

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


