NetXMS vs Observium
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | NetXMS | Observium |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 78 · Good | 0 · At risk |
| Category | Monitoring & Status | Monitoring & Status |
| License | GPL-2.0 | GPL-3.0 |
| Language | C++ | Shell |
| Setup difficulty | Hard | Medium |
| Min. RAM | 512 MB | 1,024 MB |
| Deployment | docker, bare-metal | bare-metal, source |
| GitHub stars | ★ 403 | ★ 1 |
| First released | 2004 | 2010 |
| Replaces | SolarWinds, PRTG | SolarWinds, PRTG |
What are NetXMS and Observium?
NetXMS
NetXMS is an open-source network and infrastructure monitoring system with auto-discovery, event correlation, and a flexible alerting engine. It scales from small networks to large distributed environments.
- Network auto-discovery
- Event correlation
- Distributed monitoring
- SNMP and agent support
Observium
Observium is a network monitoring platform that auto-discovers devices via SNMP and collects performance and health data. It focuses on a clean interface and low-maintenance operation for network infrastructure.
- SNMP auto-discovery
- Network device dashboards
- Low maintenance design
- Historical performance graphs
NetXMS vs Observium: key differences
NetXMS is written in C++, while Observium is built with Shell. Licensing differs — GPL-2.0 for NetXMS versus GPL-3.0 for Observium. NetXMS is the lighter option, starting around 512 MB of RAM against 1,024 MB for Observium. NetXMS is the more established project (first released 2004), while Observium arrived in 2010. NetXMS has the considerably larger community, at 403 GitHub stars versus 1. NetXMS lists first-class Docker deployment; Observium does not.
Why pick each one
Choose NetXMS if…
- Powerful event processing
- Scales to large networks
Watch out for
- Steep learning curve
- Desktop console for full features
Choose Observium if…
- Discovers devices automatically
- Clean interface
Watch out for
- Community edition lags the paid version
- SNMP-centric
Frequently asked questions
Is NetXMS or Observium better?
Neither is universally better. NetXMS has the larger community, while Observium is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are NetXMS and Observium free and open-source?
Yes. NetXMS is licensed under GPL-2.0 and Observium under GPL-3.0. Both can be self-hosted at no software cost.
Can I run NetXMS and Observium with Docker?
NetXMS: yes. Observium: check the project docs for container support.
Which is lighter on resources, NetXMS or Observium?
NetXMS has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for Observium. Real-world usage depends on library size, user count, and enabled features.