Network monitoring tools provide real-time visibility into network traffic, performance, and security events. This 2026 guide evaluates the best solutions for different needs and budgets.

Network Monitoring

SolarWinds NPM: The enterprise standard for network infrastructure monitoring. Auto-discovery of network devices, real-time performance metrics, alerting, and NetFlow analysis. Best for complex enterprise networks.
PRTG Network Monitor: All-in-one monitoring for networks, servers, applications, and IoT. Free tier covers 100 sensors. Intuitive interface. Best for SMBs.
Wireshark: The gold standard for network protocol analysis. Deep packet inspection. Open-source and completely free. Essential for security professionals.

NDR

Modern NDR tools like Darktrace and Vectra use AI to detect anomalous network behavior that traditional tools miss. Essential for detecting advanced threats.

Conclusion

PRTG offers the best value for most organizations. Wireshark is essential for security professionals. Consider NDR tools if advanced threat detection is a priority.