Best network-monitoring tools

Monitor network faults, performance, traffic, and alarms with OpenNMS's community-driven Horizon distribution.

Monitor networks, servers, applications, and services with discovery, performance data collection, event processing, and alerting.

Measure Internet-facing application performance from distributed test locations and trace failures across network dependencies.

Define monitored hosts, collected items, trigger thresholds, and notifications in an infrastructure monitoring platform.

An SNMP-focused network monitor for device discovery, long-term metrics, graphs, and alerting.

Measure network-path quality between sites with continuous synthetic probes and performance diagnostics.

A network and server monitor that discovers devices, tracks performance, and routes threshold-based alarms.

Monitor networks, servers, and hybrid infrastructure with agentless discovery, maps, dashboards, and alerts.

Map network devices and surface bandwidth, packet-loss, jitter, and connectivity issues with live alerts.

Discover and monitor network devices with agent-native monitoring, alerts, and topology tools.

Measure network quality continuously from branch, cloud, Wi-Fi, and remote-worker vantage points.

Run threshold-based checks for servers, network devices, applications, and services from a Linux monitoring server.

Monitor websites, servers, cloud services, applications, networks, and user experience from one hosted operations console.

Track user-to-application experience across endpoints, networks, infrastructure, and cloud services.

Discover and monitor network devices, servers, applications, and traffic from a self-managed console.

Monitor devices and network services from an on-prem Windows server using sensors attached to a device tree.

Monitor network performance and availability across IP devices from one central platform.

Discover network devices, graph their data, and send alerts from an SNMP-based monitoring system.

Correlate network, server, application, database, and cloud signals in a customer-operated hybrid IT observability platform.

Run network and application tests from global or private agents, then use path and routing views to locate where performance breaks.

A self-hosted network monitoring framework that polls device data and turns it into RRDTool graphs.

Graph top bandwidth users from sFlow

Unify network monitoring for enterprise-scale operations across complex, multi-vendor environments.

Turn network activity into structured investigation logs