Nagios Downloads

This is the place you'll find downloads for Nagios - the industry standard for IT infrastructure monitoring.

Download Nagios Open Source

The Open Source monitoring solution that started a phenomenon and continues to provide dependable monitoring to hundreds of thousands of organizations worldwide. Nagios Open Source consists of various Nagios projects that provide the foundation for rock-solid IT infrastructure monitoring. Download all the project components you need to get started.

• Get Nagios Core - Contains the core monitoring engine and a basic web interface.
• Get Nagios Plugins - Allows you to monitor services, applications, metrics, and more.
• Get Nagios Frontends - Enhance your Nagios experience with additional frontends.
• Get Nagios Addons - Trick out your Nagios install with hundreds of addons.

Download Nagios XI

Nagios XI is an enterprise-class monitoring and alerting solution built on Nagios Core and other proven OSS components. Features include a PHP web interface, integrated performance graphing, customizable dashboards, web configuration GUI, configuration wizards, user management, and more. Free for small environments! Learn more.

• Get Nagios XI