Open Source astah Community Edition Alternatives

    The best open source alternative to astah Community Edition is PlantUML, which is both free and Open Source. 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 (Free, Open Source), Papyrus UML (Free, Open Source), UMLet (Free, Open Source) and Modelio (Free, Open Source).

    This page was last updated Aug 1, 2018
    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.
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      Almost everyone thinks PlantUML is a great alternative to astah Community Edition.

    2. Umbrello

      • Free • Open Source
      • Mac
      • Windows
      • Linux
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      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.

    4. Papyrus UML

      • Free • Open Source
      • Mac
      • Windows
      • Linux
      • Eclipse
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      Graphical modelling open source UML2 tool based on Eclipse environment.
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    5. 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.
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    6. Modelio

      • Free • Open Source
      • Windows
      • Linux
      • Eclipse
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      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.
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    8. NClass

      • Free • Open Source
      • Windows
      • Linux
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      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

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    9. 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.
    10. 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.
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    11. UMLGraph

      • Free • Open Source
      • Mac
      • Windows
      • Linux
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        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.
      • the Chronos Web Modeller is a collaborative tool for the creation of UML models with reporting, code and document generator .
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      Showing 10 of 15 alternatives