Nagios XI offers Free Trial, but OpenNMS does not.
Nagios XI is designed for Large Enterprises, Medium Business and Small Business.
OpenNMS is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Nagios XI and OpenNMS are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Nagios XI includes Zabbix, Ne.Mo. Network Monitoring, PRTG Network Monitor, Spiceworks Network Monitor, Nagios Network Analyzer, SolarWinds ipMonitor, Netcrunch, OP5 Monitor, SolarWinds Network Performance Monitor, Checkmk and NinjaOne (NinjaRMM).
Some top alternatives to OpenNMS includes SolarWinds RMM, Nagios XI, Zabbix, PRTG Network Monitor, Nagios Network Analyzer, SolarWinds ipMonitor, LiveNX, Prometheus, Icinga, SolarWinds Network Performance Monitor and NinjaOne (NinjaRMM).