Best Network Monitoring Tools

“Infrastructure monitoring with sensor-based pricing — each monitored metric or interface counts as a sensor. Windows-only server installation with broad protocol support including SNMP, WMI, NetFlow, and REST APIs. SMB and mid-market teams often run it as an all-in-one replacement for separate network and server monitoring tools.”

“Commercial version of Nagios Core — the monitoring platform that defined much of how IT teams think about threshold-based alerting. On-prem only, with a strong plugin library but an interface that reflects its age. Organizations evaluating it now are typically maintaining an existing installation rather than choosing it for a new deployment.”

“Network performance monitor with deep Cisco and multi-vendor SNMP support, widely deployed in enterprise and mid-market organizations with large switching and routing infrastructure. On-prem only with Windows server requirements — organizations moving workloads to the cloud often face a decision about whether to maintain the on-prem investment.”

“Network and server monitoring with automated discovery, threshold-based alerting, and a topology view covering switching, routing, and physical servers. On-prem deployment on Windows or Linux makes it viable for organizations with data residency requirements that cloud monitoring platforms cannot satisfy.”

“Monitoring platform available as both cloud-managed and self-hosted, scaling reliably from a few hundred to hundreds of thousands of hosts. The auto-discovery engine reduces initial configuration time compared to Nagios-derived alternatives, and the host-based pricing model stays predictable as environments grow.”

“Infrastructure and application monitoring from Zoho's portfolio, covering servers, websites, networks, and cloud services from one platform. SMB and mid-market teams that want broad monitoring coverage at predictable host-based pricing find it competes favorably against Datadog and New Relic at lower scale.”

“SaaS infrastructure monitoring with deep coverage of on-prem hardware, network devices, cloud services, and containers — typically evaluated by teams that need a single platform across a heterogeneous environment. The pricing requires vendor engagement, but the platform breadth often justifies that conversation for complex estates.”

“Infrastructure monitoring delivered as SaaS, with over 600 integrations and a Datadog Agent handling collection across cloud, on-prem, and container environments. Mid-market and enterprise teams running mixed infrastructure typically run it alongside Datadog APM and logs to get a unified observability view from one query interface.”

“Network topology mapping and traffic analysis delivered from the cloud, with automatic discovery that works across most switching and routing vendors via SNMP. MSPs and mid-market network teams get the most value when they need consistent visibility across multiple sites without deploying per-site monitoring infrastructure.”

“Network monitoring designed for MSPs and IT teams managing multiple sites, with automatic device discovery, topology mapping, and a per-network pricing model. The per-network structure is unusual and can be cost-effective for MSPs with many small client sites rather than paying per-device at each location.”