Yes, both PRTG Network Monitor and OP5 Monitor offer a Free Trial.
PRTG Network Monitor is designed for Large Enterprises, Medium Business and Small Business.
OP5 Monitor is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both PRTG Network Monitor and OP5 Monitor are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to PRTG Network Monitor includes NinjaOne (NinjaRMM), Nagios XI, Zabbix, Nagios Network Analyzer, SolarWinds ipMonitor, Netcrunch, OP5 Monitor, ManageEngine OpManager, ManageEngine OpManager MSP, SolarWinds Network Performance Monitor and Wireshark.
Some top alternatives to OP5 Monitor includes NinjaOne (NinjaRMM), Nagios XI, PRTG Network Monitor, Spiceworks Network Monitor, Nagios Network Analyzer, OpenNMS, SolarWinds ipMonitor, Panopta, Netcrunch, vRealize Network Insight and Monitis.