Best Network Monitoring - Enterprise Software in 2026

ManageEngine OpManager

OpManager suits teams monitoring network devices and servers in a self-hosted deployment.

Nagios XI

Nagios XI suits teams that want to host monitoring on their own Linux infrastructure and need configurable checks, notifications and access controls.

Icinga

Icinga suits teams of any size that need self-hosted infrastructure monitoring, from small setups to large distributed environments.

Domotz

Domotz identifies managed service providers, IT departments, system integrators and security professionals as users.

Cacti suits administrators who can run self-hosted monitoring on Linux/Unix or Windows.

Paessler PRTG Network Monitor

Paessler describes PRTG as suited to small and medium IT infrastructures, with features for OT and IoT environments.

LibreNMS

LibreNMS suits teams or administrators seeking self-hosted network monitoring with device discovery, alerting, and scaling options.

It suits IT and DevOps teams seeking centralized network monitoring, from small setups through enterprise environments.

WhatsUp Gold suits IT teams monitoring mixed on-premises and cloud infrastructure, including virtualized environments.

NetXMS

NetXMS suits teams monitoring networks, infrastructure, applications, servers, service-provider environments, payment systems, or industrial equipment.

Observium

Community suits home use, evaluation, labs, and small non-critical deployments.

It is aimed at organizations managing wired, wireless and SD-WAN environments, including the listed government, finance, healthcare, education, hospitality, manufacturing, retail and service sectors.

Zabbix

Zabbix suits organizations monitoring infrastructure, applications, networks or services across varied data sources.