CheckmkCheckmk develops IT monitoring software for teams managing cloud, hybrid, and on-premises infrastructure. Its platform is available as a hosted SaaS service or for self-managed deployment, supporting environments from mid-sized systems to enterprise estates. More than 2,000 vendor-maintained plug-ins collect monitoring data across servers, networks, and applications, while discovery, configuration, dashboards, and analytics help operations teams track system health and investigate issues. Checkmk also provides access controls, two-factor authentication, and integrations with tools such as ServiceNow and Jira. The company serves IT operations and DevOps teams focused on infrastructure visibility and alerting.