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SPECIFICTION
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Observium vs OpenNMS

Observium

observium.org

OpenNMS

opennms.com

Side by side

FigureObserviumOpenNMS
Price fromFree$500/mo
Free planYesYes
Free trial——
Open source——
WebYesYes
LinuxYesYes
APIYesYes
Self-hostedYesYes
Plans published36
Spec score · Network Performance Monitoring Software7.9 (#13)8.2 (#10)
Spec score · Network Monitoring7.7 (#33)8.0 (#19)
Spec score · Hardware Monitoring Software7.8 (#37)8.1 (#24)
Spec score · Hardware monitoring tools7.7 (#42)8.0 (#28)
CompanyThe site identifies Observium Limited as registered in the Isle of Man and gives its address as Viking House, Ramsey, IM8 1GB.The OpenNMS Group says it was founded in 2004 and provides services from headquarters near Research Triangle, North Carolina; its site contact address is in Lewisville, Texas.
Founded20072000
HeadquartersRamsey, Isle of ManLewisville, Texas, United States
IntegrationsThe site lists integrations with collectd, munin, smokeping, and RANCID, with supplied collectors including Apache, BIND, DRBD, Memcached, MySQL, and NFS.The FAQ lists email, Slack, Mattermost, custom scripts or webhooks, Jira, Remedy, TSRM, Grafana, and a REST API among integrations.
PurposeObservium is a network monitoring and management platform that discovers devices and services, collects performance metrics, and generates alerts.OpenNMS is an open-source network monitoring platform for fault, performance, traffic monitoring, and alarm generation across local and distributed networks.
SupportEnterprise includes 10 hours of support time; the Community documentation points users to informal support through Discord, IRC, and a mailing list.Meridian subscriptions include support options and severity-based SLAs; the listed standard coverage is 7 a.m. to 7 p.m. ET Monday through Friday, with 24/7 emergency support as an add-on.

Plans

Observium

  • CommunityFree
  • EnterprisePrice not published
  • ProfessionalPrice not published

Observium pricing →

OpenNMS

  • HorizonFree
  • Basic$6,000 a year
  • Standard$12,000 a year
  • Essential$49,000 a year
  • Premier$66,000 a year
  • Premier+Priced on request

OpenNMS pricing →

In their own words

Observium

Observium is a self-hosted network monitoring and management platform for discovering devices and services, collecting performance measurements, and producing alerts. Its web interface combines network status, live metrics, and historical data. Automatic discovery can find supported devices and metrics, while discovery protocols create network maps. The supported-device catalogue lists 825 platform definitions, 367 named vendors, 21 device classes, and 916 associated MIBs. Professional Edition adds threshold alerts for entity types and traffic accounting based on transferred data or the 95th percentile. The platform provides email, SMS, webhook, and mobile alert channels, plus synthetic checks, traffic monitoring, and topology maps. A RESTful API supports custom integrations and automation. Listed integrations include collectd, munin, smokeping, and RANCID, with collectors for Apache, BIND, DRBD, Memcached, MySQL, and NFS. Community is free; Professional is billed at £250/yr and Enterprise at £1500 / yr.

Visit observium.org

OpenNMS

OpenNMS is an open-source platform for monitoring faults, performance, traffic, and alarms across local and distributed networks. Horizon is the free community distribution with the newest features; Meridian is the stable subscription version. Data collection supports SNMP, JSON, WinRM, XML, SQL, JMX, SFTP, FTP, JDBC, HTTP, HTTPS, VMware, WS-Management, and Prometheus. Traffic monitoring handles NetFlow v.5/9, IPFIX, and sFlow, with stated capacity above 300,000 flows per second. Minions extend monitoring to remote devices and services, including locations behind firewalls or NAT through ActiveMQ or Apache Kafka. Integrations include email, Slack, Mattermost, scripts or webhooks, Jira, Remedy, TSRM, Grafana, and a REST API. Grafana views can show alarms, outages, KPIs, NetFlow, and data from multiple instances. The software supports API, Linux, self-hosted, and web deployments. Horizon is free; Meridian plans range from $6,000 a year to $66,000 a year, with larger deployments priced on request.

Visit opennms.com