StarUML free download for Mac


29 October 2020

A sophisticated software modeler.


StarUML is compatible with UML 2.x standard, and supports in total 11 kinds of UML diagrams: class, object, use-case, component, deployment, composite structure, sequence, communication, statechart, activity, and profile diagrams. You can also create Entity-Relationship Diagrams (ERD). ERD is one of the most frequently used diagram for database modeling. Our ERD is based on crow’s-foot notation, which is much easier and readable than Chan’s notation.

  • Creating elements and connecting them are somewhat tedious tasks. StarUML 2 supports many shorthand styles in Quick Edit to create elements and relationships at once such as sub-classes, supporting interfaces, etc.
  • StarUML 2 supports Retina (High-DPI) display. All diagrams, texts and icons are razor sharp. You can also get diagrams as the high-dpi bitmap images (PNG and JPEG).
  • You can easily find and install extensions via Extension Manager from the official extension registry or Github repositories. Many extensions are open source and hosted on Github. Fork one and make your own.
  • StarUML stores models in a very simple JSON (JavaScript Object Notation) format. It can be used easily--in conjunction with mdgen, a command-line tool for custom-code generation based on EJS (Embedded JavaScript) templates--to generate custom codes using user-defined templates.

What's new in StarUML

Version 4.0.0:
  • SysML Support
  • Additional UML Diagrams (Timing, Interaction Overview, Information Flow)
  • MacBook Pro's Touch Bar Support
  • Command Palette
  • Tag Editor
Resolved Issues:
  • Tag editor
  • Support Macbook Touchbar
  • Allow to extend maximum canvas size
  • Open external url when double click on Hyperlink element
  • Allow to register user TTF fonts
  • Allow to change diagram background color
  • Zooming too sensitive in Trackpad
  • Drag-n-drop ports on Subsystem not working
  • Can't autoresize ERDEntityView when suppressColumns is on true
  • Bump electron to latest version
  • Add Command Palette
  • Add frame by drag-and-drop a diagram from Explorer
  • Lifeline need more top and bottom padding for placing Duration Constraints in Timing Diagram
  • Entity, Boundary, Control's small icons are not shown in Explorer
  • Add "Add Diagram" in context menu of diagram area
  • Support Timing Diagram
  • Support Interaction Overview Diagram
  • Implement Duration and Time Constraints
  • Support Information Flow Diagram
  • Support Requirement Diagram (SysML)
  • Support Block Definition Diagram (SysML)
  • Support Internal Block Diagram (SysML)
  • Support Parametric Diagram (SysML)

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App requirements: 
  • Intel 64
  • OS X 10.10.0 or later
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