PRTG Network Monitor
Sensor-based network and infrastructure monitoring from Paessler.
freemium hybrid
What it is
PRTG is a commercial monitoring tool built around "sensors": availability and load of servers, links, SNMP devices and traffic. One console gives maps, dashboards and alerting, and a hosted SaaS edition is available alongside the on-prem Windows server.
Problems it solves
- You want quick, packaged monitoring on Windows without assembling open-source pieces.
- Management wants clean dashboards and maps out of the box.
How administrators use it
- Auto-discover a subnet and let PRTG create sensors for each device.
- Build maps and dashboards for the NOC and route alerts by channel.
Strengths & trade-offs
Strengths
- Fast to deploy.
- Polished dashboards and maps.
- Free tier up to 100 sensors.
Trade-offs
- Sensor-based pricing climbs with scale.
- On-prem server is Windows-bound.
Questions
How many sensors are free?
Up to 100 sensors are free; beyond that you buy a licensed tier.
Is there a cloud version?
Yes — PRTG Hosted Monitor is a SaaS edition alongside the on-prem Windows server.
Head to head
Alternatives
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