The Commercial Editions are required if you want to monitor more than ten sensors. PRTG Network Monitor's Freeware Edition is completely free for personal and commercial use. Network maps can be created which provide users with a unique visual network management tool. High Availabiltiy is guaranteed by the innovative failover cluster, and remote probes can be used for easy multi-location monitoring. Monitoring, reporting and notifications can be automatically scheduled at specific times. Request times and downtimes are recorded in an internal database, making it easy to compile performance, downtime and SLA reports. As soon as an outage occurs, alerts are sent via email, SMS, pager messages and other means. PING, HTTP, SMTP, POP3, FTP, SSH etc.), allowing users to monitor networks for availability, speed and failures.

PRTG Network Monitor includes more than 200 sensor types for all common network services (e.g. It also offers SMTP/IMAP Roundtrip-Email Monitoring and VMware Monitoring, VoIP Monitoring, Toplists for Packet Sniffing and Netflow Sensors, as well as sensor aggregation using its built-in Sensor Factory. All common methods for acquiring network usage data are supported: SNMP and WMI, Packet Sniffing and NetFlow / sFlow / jFlow.

A user-friendly web-based interface allows users to quickly auto-discover and configure the network devices and sensors they wish to monitor. The software's features include: up/downtime monitoring, traffic and usage monitoring, packet sniffing, failover clustering, in-depth analysis and concise reporting. An advanced, easy-to-use monitoring solution for your entire network.

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