StarUML is a powerful software modeling tool that supports multiple modeling languages such as UML 2, ERD, SysML, BPMN, etc., and can be flexibly used in a single project. Equipped with a modern user interface, offering dark and light themes, easy to operate, suitable for both novice and professional users. The software supports cross platform use, including code generation, model validation, Markdown editing, HTML document publishing, and PDF export. It can be extended through JavaScript development, supporting AI integration and Mermaid syntax to quickly generate charts, helping with efficient modeling.