Where LibreNMS is strong
- Community-driven open-source project with a broad range of supported devices.
- Automatic discovery of devices over SNMP.
- Several alert transports and an API.
LibreNMS is a community-driven open-source network monitoring system known for SNMP auto-discovery of many device types. NetNMS is a single-vendor, ISP-focused alternative: one small binary with OLT/ONU, BGP NOC and NetFlow views, ready templates and WhatsApp alerts. Both monitor network devices over SNMP.
Quick comparison
| Topic | NetNMS | LibreNMS |
|---|---|---|
| Installation and stack | One small binary (Go backend, React web UI). PostgreSQL for configuration and events, built-in time-series database for metrics. | Typically a web server, a PHP application, a database and pollers. |
| ISP features | OLT/ONU monitoring, BGP NOC view and NetFlow in one UI. | General-purpose network monitoring. Check support for your OLT/ONU and BGP needs. |
| Device templates | Ready JSON templates for Cisco, Huawei (including NE40E), Juniper EX, V-SOL, BDCOM, Grandstream and generic SNMP, matched automatically. | Broad device support through auto-discovery. Check your exact devices. |
| Alert channels | WhatsApp gateway, Telegram, e-mail and webhook built in, with escalation and a delivery log. | Many alert transports, set up per installation. |
| Product model | Single-vendor product made for ISPs by Anexg Tech. | Open-source community project. |
Information about other products is general and based on how they are typically used. Features change, so check each project's own documentation for current details.
Where NetNMS fits
- A simple install: one small binary for Linux or Windows.
- ISP views ready to use: OLT/ONU, BGP NOC and NetFlow.
- Alerts on WhatsApp, Telegram, e-mail and webhook without extra tools.
Choose LibreNMS if
you prefer a community-driven open-source system and are comfortable running its web and database stack.
Choose NetNMS if
you want one small binary, ISP-focused views for OLT/ONU, BGP and NetFlow, and a single vendor behind the product.
Common questions
How is NetNMS different from LibreNMS?
Both monitor network devices over SNMP. NetNMS is a single-vendor product made for ISPs, shipped as one small binary with OLT/ONU, BGP NOC and NetFlow views and WhatsApp alerts. LibreNMS is a community-driven open-source project.
How does NetNMS add devices?
You create sites, add devices one by one or import them from CSV, and NetNMS matches templates automatically by sysObjectID and sysDescr. LLDP neighbour discovery finds links between ports.
What does NetNMS need to run?
Linux or Windows and PostgreSQL for configuration and events. NetNMS has its own built-in time-series database for metrics.
See NetNMS on your network
Tell us about your network and we will arrange a demo.