compare
LibreNMS vs OpenNMS
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | LibreNMS | OpenNMS |
|---|---|---|
| Language | PHP | Java |
| Licence | Other | Other |
| Stars | 4.9k | 1.2k |
| Latest | 26.9.1.1 | opennms-36.0.4-1 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 7 days between releases | about 28 days between releases |
| Active contributors | 104+ commit authors on the default branch in the last 90 days | 9+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace SolarWinds Network Performance Monitor. Alternatives to SolarWinds Network Performance Monitor →
Full replacementLibreNMSSNMP discovery, graphs, alerting and maps for network devices from many vendors.
Full replacementOpenNMSNetwork discovery, SNMP and flow collection, event correlation and alarms.
LibreNMS
OpenNMS
- opennms-36.0.4-12026-09-09OpenNMS Horizon 36.0.4
- opennms-36.0.3-12026-08-12OpenNMS Horizon 36.0.3
- opennms-36.0.2-12026-07-08OpenNMS Horizon 36.0.2
- opennms-36.0.1-12026-06-10OpenNMS Horizon 36.0.1
- opennms-36.0.0-12026-05-13OpenNMS Horizon 36.0.0
LibreNMS
✓ signed The latest release, 26.9.1.1, carries a signature GitHub verified.
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OpenNMS
unsigned The latest release, opennms-36.0.4-1, carries no signature GitHub could verify.
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