German open-source monitoring platform for infrastructure, networks, and applications with flexible alerting and dashboards.

Icinga is an open-source monitoring system checking availability and performance of servers, network devices, applications, and cloud resources, with a web interface, dashboards, a REST API, and modules for reporting and business-process monitoring.

Icinga GmbH develops the core software and sells support subscriptions and enterprise add-ons from its base in Nuremberg, Germany, aimed at sysadmin and IT ops teams wanting self-hosted monitoring with commercial backing.