Neither OpenNMS nor Zabbix offers a free trial.
OpenNMS is designed for Large Enterprises, Medium Business and Small Business.
Zabbix is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both OpenNMS and Zabbix 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 Zabbix includes NinjaOne (NinjaRMM), Nagios XI, Ne.Mo. Network Monitoring, PRTG Network Monitor, NetBeez, Nagios Network Analyzer, SolarWinds ipMonitor, Netcrunch, LiveNX, Splunk Enterprise and SolarWinds Network Performance Monitor.