Pricing

Nagios XI pricing

As nagios.com lists them, read 23 Sept 2026. The maker's own page has the final word.

Plan	Billed and limits	Price
Standard — 100 Nodes	Perpetual license; 100 Nodes · 100 Nodes · Unlimited Services	$2,595, paid once
Enterprise — 100 Nodes	Perpetual license; 100 Nodes; Enterprise available as an add-on · 100 Nodes · Unlimited Services	$4,690, paid once
Free	7 Nodes or 100 Services, whichever comes first · most Standard features · no support	Free
Standard (100-Node)	Perpetual license; first year Maintenance & Support included · 100 Nodes · unlimited Services per Node · infrastructure monitoring and graphing · open API · alerting and reporting · automation · configuration GUI · 70+ wizards	$2,595, paid once
Standard	Perpetual license; price shown for 100 Nodes · 100 Nodes · unlimited Services · first year of Maintenance & Support included	$2,595, paid once
Enterprise (100-Node)	Perpetual license add-on; first year Maintenance & Support included · 100 Nodes · all Standard features · SLA reports · Business Process Intelligence · capacity planning · scheduled reports · bulk tools · audit logs	$4,690, paid once
Enterprise	Perpetual license; price shown for 100 Nodes · 100 Nodes · unlimited Services · Enterprise features	$4,690, paid once
Sitewide	Contact Sales · Multiple installations · unlimited Nodes · Enterprise features included · Nagios Fusion license included	On request