Apps similar to Rustrak include GlitchTip, which is free and open source. Other options are Sentry, Gotcha Monitoring and Errbit. In total there are four Error Loggers like Rustrak for the web and self-hosting.
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.
United States
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.
United States
Self-hosted open-source observability in a single Go binary: error tracking, distributed tracing, metrics, profiling and uptime monitoring, accepting events from stock Sentry SDKs and OTLP.
Russia
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.
