Neither Zabbix nor OpenNMS offers a free trial.
Zabbix 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 Zabbix and OpenNMS are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Zabbix includes Nagios XI, Ne.Mo. Network Monitoring, PRTG Network Monitor, NetBeez, Nagios Network Analyzer, SolarWinds ipMonitor, Netcrunch, LiveNX, Splunk Enterprise, SolarWinds Network Performance Monitor 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).