Comparison
Zabbix vs PRTG Network Monitor
Zabbix is free and scales as far as your hardware will take it; PRTG comes up faster on Windows with polished dashboards, at a per-sensor cost.
| Zabbix | PRTG Network Monitor | |
|---|---|---|
| status | open sourcedesktop | freemiumcloud + desktop |
| platforms | Linux/Unix server, web UI; agents for Windows/Linux/macOS/Unix | Windows server + web/mobile; also SaaS (Hosted Monitor) |
| licence | Open source — AGPL-3.0 | Freemium — free up to 100 sensors |
| price | Free; paid support available | Free up to 100 sensors; paid from ~$1,750/yr (PRTG 500) |
| summary | Open-source monitoring across servers, network gear, VMs and applications. | Sensor-based monitoring from Paessler for networks and infrastructure. |