Astah UML

Change VisionSoftware Design Tools
Version v11 (Dec 17, 2025)

Create clear UML diagrams with integrated mind mapping capabilities.

  • Create UML diagrams to model software architecture and system behavior.
  • Design class, sequence, and component diagrams for development projects.
  • Document software structure and workflows using standardized UML notation.
Change Vision logo

Prices from:

Loading...
Available individuallyOur Price
Astah UMLLoading

Trial version available Contact us for a free trial

Lightweight UML diagramming tool with Mind Mapping abilities.
Astah UML is a modeling environment used to design, visualize, and document software systems. It supports a range of UML (Unified Modeling Language) diagrams that help developers describe architecture, system structure, and interactions between components. Teams can use it to plan designs, communicate system behavior, and maintain technical documentation throughout development.

Unified Modeling Language Diagram Creation

Astah UML allows developers and architects to create diagrams based on the Unified Modeling Language (UML). These diagrams represent system structures, behaviors, and interactions, helping teams visualize how software components relate to one another within an application architecture.

Support For Multiple UML Diagram Types

The application supports common UML diagram types used during software design. Developers can model class structures, object relationships, sequence interactions, component organization, and deployment environments using standardized UML notation.

Software Architecture Visualization

Astah UML enables teams to represent software architecture visually. Diagrams illustrate relationships between modules, services, and components, making it easier to review architectural decisions and communicate system structures across development teams.

Class And Object Modeling

Developers can design class diagrams to define data structures, inheritance relationships, and interactions between objects. These diagrams provide a structured representation of application logic and object oriented design concepts.

Sequence And Interaction Modeling

Sequence diagrams help describe the flow of messages between objects or system components during runtime. Developers can use these diagrams to document workflows, service interactions, and operational logic within software systems.

Component And Deployment Diagram Support

Astah UML includes diagram types that represent software components and deployment environments. These diagrams help developers understand how application modules are organized and how software is distributed across infrastructure.

Project Based Model Organization

Diagrams and model elements are organized within project files, allowing teams to manage multiple diagrams that describe different aspects of the same system. This structure helps maintain consistency across architecture documentation.

Diagram Export And Documentation Support

Astah UML provides options for exporting diagrams so they can be included in documentation, design specifications, and technical reports. This allows UML models to become part of development documentation shared across teams.

Collaboration In Software Design Workflows

The modeling environment supports collaborative software design by providing visual artifacts that teams can review and discuss. Diagrams help developers, architects, and stakeholders understand system design decisions during development planning.

Product Compatibility

Review the details below to ensure this product is supported within your environment.

Operating System

  • Windows Desktop
  • macOS
  • Linux

Linux Variant

  • Kernel
  • Ubuntu

Windows Desktop Version

  • Windows 11
  • Windows 10