It is developed and supported by a community of users and developers and by the OpenNMS Group , offering commercial services , training and support .
OpenNMS is a free and open - source enterprise grade network monitoring and network management platform .
OpenNMS is developed and supported by a community of users and developers and by the OpenNMS Group , offering commercial services , training and support .
OpenNMS is a free and open - source enterprise grade network monitoring and network management platform .