SolarWinds is one of the most capable network-monitoring platforms — its Network Performance Monitor and broader observability suite are widely used in large enterprises. But it is licensed commercially and can be expensive, and after the 2020 supply-chain incident many organisations re-evaluated their tooling and supplier risk. If you're looking for a strong alternative, here are the leading options.
Open-source alternatives
- Zabbix — a mature, enterprise-grade open-source platform. Agent and agentless monitoring, powerful triggers and templating, and no licence fees. Best for teams with some Linux skills who want capability without cost.
- LibreNMS — auto-discovers your network over SNMP and is purpose-built for network devices. Quick to stand up and excellent for router/switch fleets.
- Prometheus + Grafana — the cloud-native standard for metrics and dashboards. Ideal for containerised and modern infrastructure; pairs metrics collection (Prometheus) with beautiful visualisation (Grafana).
- Nagios / Icinga — the classic plugin-based monitors. Huge plugin ecosystems and very flexible, though more manual to configure.
Commercial alternatives
- PRTG (Paessler) — sensor-based licensing, easy to deploy on Windows, and friendly for small and mid-size teams that want a polished UI with less setup effort.
- ManageEngine OpManager — a mid-market commercial option with broad device support.
Which should you choose?
| If you want… | Pick |
|---|---|
| No licence cost, full capability | Zabbix |
| Fast network device discovery | LibreNMS |
| Cloud-native / container metrics | Prometheus + Grafana |
| Easy Windows setup, polished UI | PRTG |
See the full side-by-side in our tools comparison. Cost in SAR, in-Kingdom hosting and in-house skills all matter — SKYLINE can deploy and manage any of these for you. Talk to us.
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