StarUML by MKLabs Co., Ltd. is a sophisticated software modeler designed to support agile and concise modeling for software development teams.

• UML 2.x Standard Compliance: Supports a wide range of UML diagrams, including Class, Object, Use Case, Component, Deployment, Composite Structure, Sequence, Communication, Statechart, Activity, Timing, Interaction Overview, Information Flow, and Profile Diagrams, facilitating comprehensive system modeling.
• SysML Support: Enables modeling with SysML diagrams such as Requirement, Block Definition, Internal Block, and Parametric Diagrams, enhancing system engineering capabilities.
• Additional Diagram Types: Allows creation of Entity-Relationship Diagrams (ERD), Data-Flow Diagrams (DFD), and Flowchart Diagrams, providing versatility in visual representations.
• Cross-Platform Compatibility: Offers a consistent user experience across macOS, Windows, and Linux platforms, ensuring flexibility in development environments.
• Modern User Interface: Features a contemporary UX with support for dark and light themes, Retina (High-DPI) display, and MacBook Pro's Touch Bar, enhancing usability and visual clarity.
• Model-Driven Development: Facilitates model-driven development with open APIs and support for various third-party extensions, promoting extensibility and customization.
• Asynchronous Model Validation: Provides asynchronous model validation to ensure accuracy and consistency in designs without interrupting workflow.
• Documentation and Export Options: Supports exporting diagrams to HTML, PDF, and image formats (JPEG, WMF, SVG, PNG), and includes Markdown support for editing element documentation, streamlining documentation processes.
• Automatic Updates: Checks for the latest updates and installs them automatically on macOS and Windows, ensuring users have access to the newest features and improvements.