About OpenNMS

OpenNMS is an application performance management software designed to help businesses in the healthcare, retail, IT, energy, finance, education, government and other sectors monitor the performance of remote and local networks. The platform enables administrators to analyze network traffic, discover the topology and identify faults across applications.

Managers can receive notifications regarding asynchronous events, view resource graphs and track node status on a unified interface. OpenNMS allows teams to analyze the root cause and impact of hierarchy across business services. Additionally, operators can create custom graphs and group similar network alarms using AI-enabled tools.

It offers an application programming interface (API), which lets businesse...

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2 Reviews of OpenNMS

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February 2016


Verified Reviewer

Time Used: Less than 2 years

Review Source: GetApp



Value for money


Customer support


February 2016

Fast, Reliable, and Free Monitoring

OpenNMS has had its ups and downs between versions, but has always been reliable and free monitoring. There are a lot of features that can be enabled with OpenNMS through the browser, but some will require having to open a text editor and manually creating or editing a text file. While there is a learning curve to this monitoring system if you've had experience with other monitoring systems, there is a very large support group that is always helpful.


Easy to use after configuration. Feature-rich. Supports escalations and different contact groups.


Not the easiest to configure for multiple groups supported.

September 2017

Robert from Self-Employed

Verified Reviewer

Company Size: 1 employee

Industry: Computer Software

Time Used: Free Trial

Review Source: GetApp

September 2017