Guide

Cacti is a mature RRDtool-based network graphing solution that polls devices over SNMP and renders historical performance graphs through a PHP/MySQL web front end.

Checkmk is an IT infrastructure monitoring suite that auto-discovers services on hosts and ships as a self-contained OMD site image, officially distributed as a Docker container per edition.

GLPI is a mature, open-source IT service management and asset management platform combining a CMDB, help desk ticketing, and inventory tracking in one web application.

Open-source dashboards and visualization for metrics, logs, and traces from any data source.

Centralized log management: collect, search, and alert on logs from your whole infrastructure.

Healthchecks is a cron job and scheduled task monitoring service that alerts you when a periodic task fails to check in on time, officially self-hostable via a documented Docker Compose setup.

Icinga 2 is a scalable, Nagios-compatible monitoring engine that checks hosts and services, collects performance data, and ships with IcingaDB for storing state in Redis and a SQL database.

LibreNMS is a full-featured, auto-discovering network monitoring platform built on PHP and RRDtool, distributed as an official multi-container Docker stack.

Metabase is a business intelligence tool for building dashboards and ad-hoc charts over your data without writing SQL, distributed as an official Docker image.

Nagios Core is the original open-source host and service monitoring engine, still distributed and officially documented as a source build rather than a packaged binary.

Netdata is a real-time infrastructure monitoring agent that auto-detects thousands of metrics per second with zero configuration and visualizes them in a live, per-second dashboard.

A lightweight, open-source, privacy-focused web analytics tool with a simple dashboard, positioned as a GDPR-friendly alternative to Google Analytics.

Open-source metrics collection and alerting engine — the standard data source behind most self-hosted Grafana dashboards.

Snipe-IT is a free, open-source IT asset management system for tracking hardware, licenses, accessories, and consumables, including checkout history, depreciation, and audit logs.

A privacy-friendly, self-hosted web analytics alternative to Google Analytics that gives you visitor stats without tracking cookies or collecting personal data.

Self-hosted uptime and status monitoring with a clean dashboard, notifications, and a public status page.

Open-source infrastructure and network monitoring, alerting, and visualization.

changedetection.io monitors web pages for content, visual, or JSON changes and can notify you via dozens of services when something changes, officially distributed as a Docker image.