Enterprise-grade Open Source Free, community-supported platform with intuitive wizards and dashboards backed by 25+ years of monitoring expertise. Already using Nagios Core? Switch …

Since 1999, Nagios has been the trusted foundation of IT infrastructure monitoring. Our solutions deliver powerful, reliable, and scalable monitoring for modern IT environments, helping you …

2 days ago · Nagios has released version 2026R1.1 to address a critical privilege escalation vulnerability affecting earlier versions of its monitoring platform.

Download Nagios Core, XI, plugins and agents for free. Monitor Windows, Linux, & network infrastructure with the world's most trusted monitoring solution.

Nagios XI monitors mission-critical infrastructure for organizations in 190+ countries, from small businesses to Fortune 500 enterprises. Our platform scales from dozens to 100,000+ …

Nagios XI also includes graphs and reports, customizable dashboards and views, an integrated DB, a backend API, multi-tenancy, and many other advanced features that will make it much …

Nagios Network Analyzer is a commercial-grade network flow data analysis solution that provides organizations with extended insight into their IT infrastructure and network traffic.

What is Nagios? Nagios is the industry-leading IT infrastructure monitoring solution that enables organizations to identify and resolve problems before they affect critical business processes.

May 29, 2025 · So, what is Nagios? Nagios is a network monitoring solution that detects issues early and alerts you before they cause problems. Nagios includes the open-source Nagios …

Nagios, the industry-standard in IT infrastructure monitoring, provides insights into system performance and availability. Learn about Nagios' history, mission, and core principles.