PRTG is a network monitoring tool that helps you to ensure that your computer systems are running smoothly and that no outages occur. Developed by Paessler AG
License: Freemium
Microsoft Network Monitor is primarily focused on packet analysis and troubleshooting, making it suitable for in-depth network diagnostics. In contrast, PRTG Network Monitor offers comprehensive real-time monitoring and alerting capabilities, making it better suited for overall network performance management.