PRTG Network Monitor is a comprehensive network monitoring software that provides real-time monitoring of network devices, servers, applications and bandwidth usage. It offers customizable dashboards and alerts, allowing users to quickly identify and resolve network issues. PRTG also supports a wide range of protocols and technologies, including SNMP, WMI, SSH, and NetFlow, making it a versatile tool for network administrators. Additionally, it offers a user-friendly web interface and mobile apps for remote monitoring.