Open Source Alternatives to Nagios XI

An infrastructure monitoring and alerting platform that provides real-time alerts for servers, networks, and IoT devices. The software allows users to monitor and manage IT infrastructure through a streamlined environment featuring infrastructure monitoring and graphing. It is designed for IT teams managing environments ranging from small scale to large distributed deployments. The product is deployed via hybrid options and uses a node-based licensing model where a node is defined as a unique IP or web URL. Users can implement the software in their own environment to proactively monitor, troubleshoot, and resolve issues. Higher license levels include access to premium features such as Single Sign-On via MS Azure AD and the Nagios Mod-Gearman user interface. The platform also offers an Enterprise add-on for scheduling reports and capacity planning to project future values. It is used to maintain visibility across the entire IT stack.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Nagios XI give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to Nagios XI. The most popular is Checkmk. It uses the GPL-2.0 license and ships an official Docker image.