Yes, both PRTG Network Monitor and TaskCall offer a Free Trial.
PRTG Network Monitor is designed for Large Enterprises, Medium Business and Small Business.
TaskCall is designed for Large Enterprises, Medium Business and Small Business.
The starting price of TaskCall begins at $9/User/Month, while pricing details for PRTG Network Monitor are unavailable.
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 TaskCall includes Freshservice, PagerDuty, xMatters, VictorOps, YetiCloud, Spike.sh, Lightstep Incident Response, Mission Manager, Incident.io, StatusCast Incident Management and ResQ.