Self-hosted lightweight LAN IP/ARP scanner with web dashboard, new-host notifications, online/offline history, and metrics export to Prometheus or InfluxDB for Grafana.

7.5k stars283 forksMITlast commit Slowing down

Fing provides network scanning and monitoring via mobile/desktop apps and Fing Box hardware. It discovers and identifies devices on LAN/Wi‑Fi, runs network diagnostics and performance tests, and issues alerts for connectivity and security events.
Self-hosted lightweight LAN IP/ARP scanner with web dashboard, new-host notifications, online/offline history, and metrics export to Prometheus or InfluxDB for Grafana.

7.5k stars283 forksMITlast commit Slowing down
Self-hosted network visibility and presence scanner that discovers connected devices and alerts on new, unknown, or changed hosts across your LAN/Wi‑Fi.

7k stars426 forksGPL-3.0last commit Actively maintained
Atlas is a containerized network infrastructure visualizer that scans subnets and Docker hosts, stores results, and presents real-time graphs and dashboards for monitoring.

1.3k stars76 forksMITlast commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 2 of 3 shipped a commit in the last six months. Licences in this list: MIT, GPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Monitoring & Observability.