Dexa: UML Class Diagrams

Create professional UML class diagrams visually or with PlantUML and Mermaid code. Export to PNG or PDF. Sync across all your Apple devices with iCloud Documents.

Dexa is a powerful UML class diagram editor designed for developers, students, and software architects. Build diagrams visually on an interactive canvas, or write them directly in PlantUML or Mermaid syntax.

Key Features:

• Visual drag-and-drop diagram editor with a zoomable canvas
• Full PlantUML and Mermaid import/export support
• Six relationship types: inheritance, association, aggregation, composition, dependency, and realization
• Classes, interfaces, abstract classes, and enums with properties, methods, and visibility modifiers
• Auto-layout powered by a Sugiyama hierarchical algorithm
• Export diagrams as high-resolution PNG or PDF
• Seamless iCloud sync across all your devices

Whether you're mapping out a new project's architecture, studying object-oriented design, or documenting an existing codebase, Dexa gives you the tools to create clean, professional UML class diagrams, right from your Apple devices.