Icinga is an enterprise-ready open source monitoring platform for hybrid and distributed IT environments. Organizations use Icinga to monitor servers, networks, cloud infrastructure, Kubernetes workloads, applications, databases, VMware, and Windows systems from a centralized monitoring platform. The free and open source Icinga core provides comprehensive infrastructure and service monitoring without vendor lock-in or license barriers. Built for flexibility and scale, Icinga integrates with existing IT operations, automation, and DevOps workflows through open APIs, automation capabilities, and a large ecosystem of plugins and integrations. Developed in Germany, Icinga is trusted by global enterprises, public institutions, service providers, and mid-sized organizations that require scalable and customizable monitoring across on-premises, cloud-native, and hybrid infrastructure.