Neither OpenNMS nor Prometheus offers a free trial.
OpenNMS is designed for Large Enterprises, Medium Business and Small Business.
Prometheus is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both OpenNMS and Prometheus are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to OpenNMS includes NinjaOne (NinjaRMM), SolarWinds RMM, Nagios XI, Zabbix, PRTG Network Monitor, Nagios Network Analyzer, SolarWinds ipMonitor, LiveNX, Prometheus, Icinga and SolarWinds Network Performance Monitor.
Some top alternatives to Prometheus includes Zabbix, Grafana, New Relic Alerts, DatabaseLog, Splunk Enterprise, New Relic APM, Dynatrace, Splunk Cloud and VirtualMetric.