Yes, both Nagios Network Analyzer and Pulseway offer a Free Trial.
Nagios Network Analyzer is designed for Large Enterprises, Medium Business and Small Business.
Pulseway is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Pulseway begins at $19/Month when Billed Yearly, while pricing details for Nagios Network Analyzer are unavailable.
Some top alternatives to Nagios Network Analyzer includes NinjaOne (NinjaRMM), NetBeez, SolarWinds Engineer's Toolset, SolarWinds ipMonitor, Netcrunch, LiveNX, ManageEngine NetFlow Analyzer, SolarWinds Network Performance Monitor, Wireshark, Netify and Pulseway.
Some top alternatives to Pulseway includes NinjaOne (NinjaRMM), SolarWinds RMM, Naverisk RMM & PSA, Ne.Mo. Network Monitoring, PRTG Network Monitor, Spiceworks Network Monitor, Atera, ManageEngine OpManager MSP, Datto RMM, ConnectWise Automate and ITarian RMM.