Observability OSS tools — 7 tracked with release & CVE alerts

healthchecks Mixed open source

Open-source cron job and background task monitoring service, written in Python & Django

Nagios Mixed open source

Nagios Core

evidently Mixed open source

Evidently is an open-source ML and LLM observability framework. Evaluate, test, and monitor any AI-powered system or data pipeline. From tabular data to Gen AI. 100+ metrics.

Naemon Mixed open source

Network monitoring tool based on the Nagios 4 core with performance enhancements and new features.

garmin-grafana Mixed open source

A Dockerized python Script to fetch Garmin health data and populate that in a InfluxDB Database, for visualization long term health trends with Grafana

beszel Mixed open source 1 tracking

Lightweight server monitoring with historical data, docker stats, and alerts.

portracker Mixed open source

An open source, self-hosted, real-time port monitoring and discovery tool.

Tools