Nagios builds industry-leading monitoring solutions that help organizations ensure the health, performance, and reliability of their IT infrastructure. With Nagios monitoring tools, you can proactively detect issues, receive instant Nagios alerts, and maintain optimal performance across servers, networks, applications, and critical services.
Nagios began in 1999, when Ethan Galstad developed the open-source Nagios Core engine for IT infrastructure monitoring. What started as a solution to monitor network services has evolved into the world’s most trusted monitoring platform.
Today, Nagios Enterprises sponsors and supports the open-source monitoring tool while offering commercial products that extend the power of Naigos Core with advanced visualization, automation, reporting, and enterprise governance.
Our mission is to make IT environments more stable, more predictable, and easier to manage for teams of all sizes.
Open source means open collaboration. From plugins to full-scale integrations, the Nagios Community powers innovation and reliability across IT infrastructures worldwide. Join the conversation, share your expertise, and help shape the future of open-source monitoring.
