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Open Source astah Community Edition Alternatives

The best open source alternative to astah Community Edition is PlantUML. If that doesn't suit you, our users have ranked more than 25 alternatives to astah Community Edition and 15 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to astah Community Edition are Umbrello, UMLet, Papyrus UML and NClass.

astah Community Edition alternatives are mainly UML Modeling Tools but may also be Diagram Editors or Mind Mapping Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of astah Community Edition.
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  • FreeProprietary
  • Windows
  • Linux

Astah Community is an add-on tool for your UML that is ready to use the instant you download it, allowing your UML to be...

Learn more about astah Community Edition

  1. PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE, programming language, documentation generator, and others.

    Common PlantUML JAR GUI application that will render text file into image.
    Almost everyone thinks PlantUML is a great alternative to astah Community Edition.
  2. Umbrello icon

    Umbrello

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Umbrello is a Unified Modelling Language (UML) modelling tool and code generator. It can create diagrams of software and other systems in the industry-standard UML format, and can also generate code from UML diagrams in a variety of programming languages.

    Screenshot


  3. UMLet icon

    UMLet is an open-source UML tool with a simple user interface: draw UML diagrams fast, export diagrams to eps, pdf, jpg, svg, and clipboard, share diagrams using Eclipse, and create new, custom UML elements.

    Screenshot
  4. Papyrus UML icon

    Papyrus UML

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Eclipse

    Graphical modelling open source UML2 tool based on Eclipse environment.

    Use Case
  5. NClass icon

    NClass

    • FreeOpen Source
    • Windows

    NClass is a free tool to easily create UML class diagrams with full C# and Java language support. The user interface is designed to be simple and user-friendly for easy and fast development.

    Discontinued

    Since 2010

    Screenshot


  6. Modelio icon

    Modelio

    • FreeOpen Source
    • Windows
    • Linux
    • Eclipse

    Modelio is an open source modeling tool supporting natively UML, BPMN and model exchange with XMI. It allows to draw all UML2 diagrams and specific diagrams for business process modeling. It is easy and powerful with the capacity to add new functionalities to the application.

    Class diagrams
  7. Violet UML Editor icon

    Violet UML Editor

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Violet is a UML editor with these benefits: Very easy to learn and use. Draws nice-looking diagrams. Completely free. Cross-platform. Violet is intended for developers, students, teachers, and authors who need to produce simple UML diagrams quickly.

    Example
  8. WhiteStarUML icon

    WhiteStarUML

    • FreeOpen Source
    • Windows

    WhiteStarUML is a fork of StarUML with an intent to revive its Delphi code base by updating code to recent Delphi editions, reducing dependence on third party components and fixing bugs and adding new features.

    Basic class diagram
  9. UMLGraph icon

    UMLGraph

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    UMLGraph allows the declarative specification and drawing of UML class and sequence diagrams. The current features are part of an ongoing effort aiming to provide support for all types UML diagrams.

    Screenshot
  10. TopCoder UML icon

    TopCoder UML

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    TopCoder UML Tool is an easy to use, consistent modeling tool for use in Design and Development competitions. The new tool was built to model sequence, class, use case, and activity diagrams. On top of that, all those elements can have documentation easily attached to them.

    Screenshot
Showing 10 of 15 alternatives