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Nagios

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Unmatched IT monitoring of nearly any device anytime, anywhere, all in one location.

ObservabilitySaint Paul, MN, United States11–50 employeesFounded 2007

#40 of 45 in Observability10,000 customers (per nagios.com)

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Visibility score
0%
New vs last week
Weekly run · Nov 3

Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run

  • Nagios ranks #40 of 45 in Observability with an AI visibility score of 0 (SlateIndex, Nov 3, 2026).
  • Nagios is most visible on ChatGPT (0) and least on Perplexity (0).
  • AI engines name Nagios in 0 of the 30 Observability buyer prompts SlateIndex tracks.

About

Company details for Nagios

Nagios XI is commercial IT infrastructure monitoring software that runs on the customer's own Linux server. It runs plugins against hosts and services at set intervals, compares each result against warning and critical ranges, and notifies assigned contacts. Nagios Core is the open-source engine underneath XI, which adds the web interface, configuration wizards, database, reporting, dashboards and API. It ranks #40 of 45 in Observability on SlateIndex and has a visibility score of 0 in the latest weekly run.

Founded in 2007 and headquartered in Saint Paul, MN, United States, the company employs 11–50 people. It is bootstrapped. Its differentiator: self-hosted monitoring on hardware you control, with node-based licensing fixed at purchase rather than by metric, sensor or data volume.

Categories
Observability
Company size
11–50 employees
Headquarters
Saint Paul, MN, United States
Founded
2007
Company type
Private, bootstrapped
Funding
Bootstrapped
Customers
10,000 · per nagios.com
Deployment
Self-hosted on infrastructure you control, including air-gapped and regulated environments
Platforms
Linux, Windows, macOS, AIX, UNIX
Support
Community forums, Customer Support Portal, Case Support under maintenance plans, Quickstart setup in 60 minutes, Documentation Hub, Video tutorials
Facebook · facebook.com/NagiosIncX · x.com/nagiosincLinkedIn · linkedin.com/company/nagios-enterprises-llcYouTube · youtube.com/nagiosvideo

Read from linkedin.com, facebook.com, nagios.com, checkthat.ai · refreshed Nov 3, 2026.

AI visibility

Latest weekly run · Nov 3 · next run Nov 9

Visibility score
0%
across Observability answers, weighted by position
ChatGPT0%
AI Mode0%
Perplexity0%
Change
New
vs last week’s run
Category rank
#40 of 45
in Observability
Mentions
0
in this week’s run
Share of voice
0%
of AI mentions in Observability

Visibility score trend

Weekly runs over the last 60 days, with up to 7 competitors. Click a name to hide or show its line.

Now0%
30-day change—
High · low0% · 0%
Rank#40
0%25%50%75%100%Nov 3Nagios 0%

Changes appear after the second weekly run in Observability. Datadog leads the category at 69.5%.

Media

Website and product screenshots for Nagios

All media
Home page

AI mentions & citations

Recent answers that name Nagios

All prompts

No mentions in the latest run.

Products & features

What Nagios sells

Nagios XI

Commercial, self-hosted infrastructure monitoring software with web interface, reporting, dashboards and API.

Nagios Log Server

Centralized collection, search, alerting and archiving of syslog, Windows Event Logs and application logs.

Nagios Network Analyzer

NetFlow, sFlow and IPFIX analysis for bandwidth monitoring and traffic inspection.

Nagios Fusion

Unified view of multiple monitoring servers for centralized management.

Nagios Core

Open-source monitoring engine that Nagios XI is built on.

Target market & buyers

Enterprise IT teams and organizations that run mission-critical infrastructure.

Notable customers include A24 Limited, Amman Stock Exchange, EverWatch Global, Rely IT.

IndustryPrimary use case
BankingTaking full control of the bank's IT environment with Nagios XI, saving IT staff time.
Stock exchangeStreamlining IT environments by switching to Nagios XI.
Public transportOptimizing public transport operations in London.

Funding & recent developments

Funding

Latest known roundTotal raised
Bootstrapped—

Recent developments

  1. Sep 2026ProductNagios Network Analyzer 2026R2 released

    Network Analyzer 2026R2 release listed in the release log.

  2. Sep 2026ProductNagios Log Server 2026R2 released

    Log Server 2026R2 release listed in the release log.

  3. Sep 2026ProductNagios XI 2026R2 released

    Adds a Wizard Builder, role-based permissions and event forwarding to Fusion.

  4. Jun 2026ProductNagios XI 2026R1.6 released

    Improved Network Analyzer integration and SharePoint monitoring.

  5. Mar 2026SecurityNagios XI 2026R1.3 fixes XSS vulnerabilities

    Fixed two cross-site scripting vulnerabilities in the login page and performance graphs.

Cite as: SlateIndex, “Nagios AI visibility profile”, https://slateindex.ai/brand/nagios, data of Nov 3, 2026. Licence: CC BY 4.0.