Nagios offers a of Nagios XI Enterprise Edition. No credit card is required. The trial includes:
Several documents and support articles detail the specific entitlements, benefits, and structures of Nagios XI licensing. For an in-depth understanding, the Nagios XI License Entitlements paper is a key resource [19]. Core License Entitlements nagios xi license
Pricing is primarily based on the number of "nodes" (individual devices like servers, switches, or printers) monitored. Nagios Core vs Nagios XI Nagios offers a of Nagios XI Enterprise Edition
Maintaining an active Maintenance & Support agreement provides several "Premium Features": nagios xi license