Munin

Monitorix is a free, open source, lightweight system monitoring tool.

A fancy self-hosted monitoring tool

The Prometheus monitoring system and time series database.

Node.js/Typescript/Bun Production Process Manager with a built-in Load Balancer.

Best and simplest tool for website change detection, web page monitoring, and website change alerts.

Scalable datastore for metrics, events, and real-time analytics