Nagios XI
- Starting price
- $2595/one-time (100 nodes, Standard)
- Free trial
- Free tier + 30 days
- Deployment
- On-prem
- Best for
- Teams wanting on-prem, perpetually-licensed infrastructure monitoring with a free open-source core
Nagios XI (by Nagios Enterprises) is a network monitoring tool. It starts at $2595/one-time (100 nodes, Standard) and holds 4.5/5 (~55 G2 reviews). It is best for teams wanting on-prem, perpetually-licensed infrastructure monitoring with a free open-source core. Below: pricing, our verdict, top alternatives, and head-to-head comparisons.
- Best Value
How Nagios XI scores
Six criteria, each 0–10 on the same scale from review data, public pricing and feature coverage. Methodology →
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Nagios XI vs the field
| Nagios XI | Auvik | PRTG Network Monitor | |
|---|---|---|---|
| Starting price | $2595/one-time (100 nodes, Standard) | Custom quote | Free tier available |
| Pricing model | per device | quote | per sensor |
| Free trial / tier | Free tier + 30 days | 14 days | Free tier + 30 days |
| Best for | Teams wanting on-prem, perpetually-licensed infrastructure monitoring with a free open-source core | MSPs wanting automated network mapping + monitoring | Teams wanting sensor-based monitoring with a free tier |
| Deployment | On-prem | Cloud | On-prem + cloud |
| G2 rating | 4.5/5 (55) | 4.5/5 (200) | 4.6/5 (250) |
| Capterra rating | — | — | — |
| Our score | 8.0 | 7.8 | 8.0 |
Pros
- Free
- capable open-source core
- Perpetual (no recurring) license
- On-prem data control + extensibility
Cons
- Dated interface vs SaaS rivals
- Heavier manual configuration
- Support requires paid maintenance
Key Nagios XI features
- SNMP + network device monitoring
- Perpetual on-prem licensing
- Event-driven remediation
- Free open-source core (Nagios Core)
- Capacity planning + SLA reports (Enterprise)
- Large plugin/community ecosystem
Nagios XI at a glance
Nagios XI (by Nagios Enterprises) is a network monitoring tool. It starts at $2595/one-time (100 nodes, Standard) and holds 4.5/5 (~55 G2 reviews). It is best for teams wanting on-prem, perpetually-licensed infrastructure monitoring with a free open-source core. Below: pricing, our verdict, top alternatives, and head-to-head comparisons.
More on Nagios XI
Nagios XI from Nagios Enterprises is a network monitoring platform deploying On-prem. It is built for teams wanting on-prem, perpetually-licensed infrastructure monitoring with a free open-source core. It holds 4.5/5 (~55 G2 reviews) and starts at $2595/one-time (100 nodes, Standard) on a per device model.
Key capabilities: SNMP + network device monitoring, Perpetual on-prem licensing, Event-driven remediation, Free open-source core (Nagios Core), Capacity planning + SLA reports (Enterprise), Large plugin/community ecosystem.
Go deeper: pricing breakdown, full review, and the best Nagios XI alternatives (top picks: Auvik, PRTG Network Monitor, Domotz).
Frequently asked questions
- How much does Nagios XI cost?
- Nagios XI starts at $2595/one-time (100 nodes, Standard). It's priced per device. See the pricing page for every plan and limit.
- Does Nagios XI have a free trial or free version?
- Yes — Nagios XI has a free tier plus a 30 days free trial.
- How is Nagios XI deployed?
- Nagios XI is available as On-prem.
- Who is Nagios XI best for?
- Nagios XI is best for Teams wanting on-prem, perpetually-licensed infrastructure monitoring with a free open-source core.
- Is Nagios XI any good?
- Nagios XI holds 4.5/5 across 55 reviews and scores 8.0/10 on our data-weighted ranking.
- What are the best Nagios XI alternatives?
- Top alternatives include Auvik, PRTG Network Monitor, Domotz. See the full alternatives list for pricing and scores.
Popular Nagios XI comparisons
See Nagios XI head-to-head with the alternatives MSPs shortlist most often.
