New: Meridian 2021
Meridian 2021

Comprehensive observability tools in one platform


Dynamic scalability for data processing. Monitor tens of thousands of data points via a distributed and tiered system.


Event-driven architecture allows extension of service polling and data collection frameworks, and flexible workflow integration.


Supported by a large community of users and commercially by The OpenNMS Group.

Open Source

Published under the AGPLv3 license, OpenNMS is a fully open source solution.

Subscription service that provides access to an optimized and very stable version of OpenNMS that maximizes the platform’s value and minimizes the effort required to maintain it.


Free, community-supported, quick release distribution that contains all of the newest features developed for the platform.


Feature List

Horizon or Meridian?



Not Your Dad’s OpenNMS

By |May 12th, 2021|

OpenNMS is an “old school open source project” in many ways. We’ve been around for 20 years, spent most of that time hacking on [...]

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