OpenCms is an open-source content management system (CMS) designed for building websites, intranets, and extranets. Developed in Java and utilizing XML technology, it allows users to create and manage complex websites with ease. OpenCms offers features such as full-text search, user management, a WYSIWYG editor, and templates for consistent site design. It is highly customizable and capable of integrating with various databases and existing IT infrastructures. OpenCms is widely employed by organizations seeking a flexible and scalable CMS solution.