The Industry Standard in IT Monitoring
Nagios (nagios.org) scores 90 out of 100 on Brand Analyzer, placing it in the Strong Brand tier among SaaS brands, Technology brands, in the 96th percentile of 19324 SaaS brands.
Nagios is an open source IT infrastructure monitoring platform, provided through nagios.org, that has been in use for over 25 years to monitor servers, networks, and applications. It offers Nagios Core, a free open source monitoring engine, alongside Nagios XI, an enterprise-grade extended version. The platform is built on an extensible plugin architecture and is used by more than 1 million users worldwide, primarily IT professionals and system administrators seeking reliable infrastructure visibility.
| Brand Name | Nagios |
|---|---|
| Domain | nagios.org |
| Industry | SaaS, Technology |
| Founded | 2009 |
| Main Competitors | Zabbix, PRTG Network Monitor (88/100), Icinga, SolarWinds (92/100), Datadog (95/100), Zenoss, ManageEngine OpManager (94/100), Checkmk |
Moz Domain Authority 62/100 vs category average 35 / leader 99 - a strong backlink profile, so AI systems frequently encounter mentions of the brand.
Ranked #34,731 on the Tranco list of most-visited sites - strong traffic reinforces the brand's prominence to AI models.
Nagios has a dedicated Wikipedia entity - a top-weighted signal AI models rely on to identify and describe the brand.
The homepage meta description reads "Free open source IT monitoring tool with Nagios Core. 25+ years of monitoring servers, networks, applications, and infrastructure. Trusted by 1m+ users worldwide." (Meta description: 23 words (ideal length). OG description present and descriptive) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: 1 JSON-LD block(s), Organization schema, Breadcrumb/Website schema, og:title, og:description, og:image, og:type, Twitter cards, canonical. Adding FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: robots.txt present, no AI bot restrictions - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Detected tech stack: PHP, Apache, WordPress, Ghost.
Social footprint: verified profiles on GitHub, X (Twitter), LinkedIn, Instagram, YouTube; no detected presence on Facebook - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
Live results from asking a general-purpose AI assistant about the brand, checked August 2026.
When asked "What is Nagios?", Claude could identify the brand as of August 2026. Nagios is a widely used open-source IT infrastructure monitoring platform that tracks servers, network devices, applications, and services, alerting administrators when something goes down or performs poorly. It has been a staple in system administration since the late 1990s, wit Best known for Being one of the original and most widely deployed open-source network and server monitoring tools.
When asked "Best brands similar to Nagios?", Claude would recommend Nagios as of August 2026. It's a classic, battle-tested choice in the monitoring space that's almost always mentioned alongside tools like Zabbix, PRTG, and Datadog.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
Nagios's main competitors in SaaS: PRTG Network Monitor (88/100), SolarWinds (92/100), Datadog (95/100), ManageEngine OpManager (94/100).
Sources: Brand Analyzer scan
Nagios offers Nagios Core, a free and open source IT monitoring tool, and Nagios XI, an enterprise-grade extended version designed for more comprehensive infrastructure monitoring. Both products are built around an extensible plugin architecture that allows monitoring of servers, networks, applications, and other infrastructure components.
Sources: Nagios official site
Nagios is an open source IT infrastructure monitoring platform available through nagios.org. Its core offering, Nagios Core, is a free, open source tool used to monitor servers, networks, applications, and other infrastructure components. Nagios also offers an enterprise-grade extended version called Nagios XI. The platform has been developed and used for over 25 years and is supported by a large community of contributors and users.
Sources: Nagios official site
Nagios has moderate AI-search visibility, scoring 69/100 on Brand Analyzer's AI visibility composite (visibility 69, trust 54, recommendation 85). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: Nagios official site
Nagios was founded in 2009. Nagios operates in the SaaS category. It is analyzed by Brand Analyzer across seven brand dimensions and AI-search visibility.
Sources: Wikidata
Nagios monitors IT infrastructure, including servers, networks, and applications, to detect and alert on issues before they cause downtime. It provides continuous monitoring capabilities through its core open source engine, and its extensible plugin architecture allows users to customize monitoring for specific systems and services. The enterprise version, Nagios XI, expands on this with additional features for larger-scale infrastructure visibility.
Sources: Nagios official site
Nagios scores 85/100 on Brand Analyzer's AI recommendation signal, indicating it is reasonably likely to be surfaced when AI assistants like ChatGPT suggest SaaS options. Recommendation depends on crawlability, structured data, and category authority; a Wikipedia presence helps.
Sources: Nagios official site
Nagios is known for being one of the earliest and most established open source IT monitoring tools, with over 25 years of development history. It is recognized for its free Nagios Core product, its extensible plugin architecture that allows customization for diverse monitoring needs, and its large global user base of more than 1 million users.
Sources: Nagios official site
Nagios can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Sources: Nagios official site
Nagios is used by IT professionals, system administrators, and enterprises that need reliable, scalable, and customizable monitoring of their servers, networks, and applications. Its user base spans organizations of varying sizes worldwide, totaling more than 1 million users according to Nagios.
Sources: Nagios official site
Nagios is popular because it is a free, open source monitoring tool with a long track record of over 25 years in the IT monitoring space. Its extensible plugin architecture allows IT professionals to adapt it to a wide range of monitoring needs across servers, networks, and applications. Its established position as an industry-standard tool, combined with a large global community of over 1 million users, has contributed to its widespread adoption.
Sources: Nagios official site
Nagios scores 69/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
Nagios has a moderate AI-visibility profile at 69/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (85/100) and its weakest is trust (54/100). It benefits from a recognised Wikipedia company entity, a Wikidata knowledge-graph entry and a global traffic rank of #34,731 (Tranco). The main gaps holding it back: no llms.txt to steer AI to its best pages. In a live check, Claude could already identify Nagios from memory (August 2026) - a sign these signals are paying off.
The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark.
Ranked closest to Nagios: MyBook (90/100), MRI Software (90/100), NameSilo (90/100), Neon (90/100).
A step up - brands to learn from: Zerto (91/100), YNAB (91/100).
Category leader: Hostinger (97/100).
Brand Analyzer is built by DataEase AI. Track your brand in ChatGPT, Gemini and Perplexity.