Free & Open-Source PRTG Network Monitor Alternatives

Sensor-based network monitoring.

1. LibreNMS ↗ FOSSPRIVATESELF-HOST
   Free open-source network monitoring.
   ●●○Medium · Requires self-hosting
2. Zabbix ↗ FOSSPRIVATESELF-HOST
   Free enterprise-grade monitoring platform.
   ●●○Medium · Requires self-hosting
3. Netdata ↗ FOSSPRIVATESELF-HOST
   Real-time per-second system metrics.
   ●●○Medium · Requires self-hosting