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OpenNMS

OpenNMS is a free and open-source network monitoring and network management platform written in Java. It provides fault management, performance data collection, service monitoring, event processing, and topology mapping. The project was started in July 1999 and registered on SourceForge as project 4141 in March 2000, making it one of the oldest…

History & Art

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Architecture

Publish-subscribeSyslogTL/1Request TrackerOTRS
19 related topics

History

Nagios
1 related topics

Platform requirements

PostgreSQL
1 related topics

Overview

Free and open-sourceNetwork monitoringNetwork managementJavaSourceForge
6 related topics

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Developers
The OpenNMS Group, The Order of the Green Polo
License
AGPLv3
Operating system
Linux, Unix
Release
March 2000; 26 years ago (2000-03)
Repository
github.com/OpenNMS/opennms
Stable release
36.0.3 / August 12, 2026; 11 days ago (2026-08-12)

Topics to explore

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Overview

History

Architecture

Platform requirements

Advanced semantic analysis

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Map overview Semantic statistics

OpenNMS

Nodes32
Edges31
Triples69
Avg. degree1.94
Density0.0625
Components1

How this topic connects Entity context

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OpenNMS

Top relations

related to history · 15
OpenNMS → Atipa, Brian Weaver, In July, July, Kansas City-based Linux, Luke Rindfuss, March, Nagios, NetSaint, Oculan, On September, PlatformWorks, SourceForge, Steve Giles, The
related to Event management · 14
OpenNMS → An, Events, Internal, Jira, Notifications, OTRS, Request Tracker, SMS, SNMP, TCP, The, TL/1, XML, XMPP
related to Data collection · 10
OpenNMS → Collected, HTTP, JDBC, JMX, JRobin, NSClient, RRDtool, SNMP, WMI, XML
related to Discovery and provisioning · 8
OpenNMS → Dynamic DNS, IP, IPv4, IPv6, Provisioning, RANCID, The, XML-based
related to Platform requirements · 4
OpenNMS → Java SDK, Linux, PostgreSQL, Precompiled
related to External links · 2
OpenNMS → GitHub, Official
Developers · 1
OpenNMS → The OpenNMS Group, The Order of the Green Polo
License · 1
OpenNMS → AGPLv3
Operating system · 1
OpenNMS → Linux, Unix
Release · 1
OpenNMS → March 2000; 26 years ago (2000-03)

Important terminology Word statistics

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Important terminology

management project data network event monitoring commercial service 2000 java open-source march group order green polo sourceforge agplv3 systems july

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
OpenNMSDevelopersThe OpenNMS Group, The Order of the Green Polo1.00infobox
OpenNMSLicenseAGPLv31.00infobox
OpenNMSOperating systemLinux, Unix1.00infobox
OpenNMSReleaseMarch 2000; 26 years ago (2000-03)1.00infobox
OpenNMSRepositorygithub.com/OpenNMS/opennms1.00infobox
OpenNMSStable release36.0.3 / August 12, 2026; 11 days ago (2026-08-12)1.00infobox
OpenNMSTypeNetwork management1.00infobox
OpenNMSWebsitewww.opennms.org1.00infobox
OpenNMSWritten inJava1.00infobox
OpenNMSis afree and open-source network monitoring and network management platform written in Java0.90text
Dynamic DNS serversinstance ofProvisioning adapters allow integration with external systems0.80text
RANCID for configuration management.Service monitoringThe service assurance system tests the availability of network services at configurable intervalsinstance ofProvisioning adapters allow integration with external systems0.80text

Related concept clusters Concept neighborhoods

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    Min side: 3
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