Yes, both Site24x7 and MightyCall offer a Free Trial.
Site24x7 is designed for Large Enterprises, Medium Business and Small Business.
MightyCall is designed for Large Enterprises, Medium Business and Small Business.
The starting price of MightyCall begins at $15/user/month when yearly, while pricing details for Site24x7 are unavailable.
Some top alternatives to Site24x7 includes OmniCenter, Zabbix, PRTG Network Monitor, SolarWinds ipMonitor, LiveNX, OP5 Monitor, Grafana, ManageEngine OpManager, SolarWinds Network Performance Monitor, NinjaOne (NinjaRMM) and LogicMonitor.
Some top alternatives to MightyCall includes CloudTalk, RingByName, Dialpad Talk, VoIPstudio, RingCentral Office, Vodia PBX, Grasshopper, Voxloud and Ringover.