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System Designer Alternatives

System Designer is described as 'uses UML, a standard, to define your model. So you probably already know how to create a model in System Designer even if you have never run it' and is an app in the development category. There are more than 10 alternatives to System Designer for a variety of platforms, including Windows, Linux, Mac, Eclipse and Online / Web-based. The best alternative is PlantUML, which is both free and Open Source. Other great apps like System Designer are Visual Paradigm, StarUML, UMLet and Papyrus UML.

System Designer alternatives are mainly UML Modeling Tools but may also be Diagram Editors. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of System Designer.
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  • FreeOpen Source
  • Mac
  • Online
  • Android
  • iPhone
  • Android Tablet
  • iPad

System Designer uses UML, a standard, to define your model. So you probably already know how to create a model in System...

Learn more about System Designer

  1. PlantUML icon

    PlantUML

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Chrome OS

    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.

    ⚫︎ PortablePlantUML can be used from a USB stick or similar with no prior installation.
    ⚫︎ Support for MarkDownPlantUML supports MarkDown for document formatting.
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    Common PlantUML JAR GUI application that will render text file into image.
  2. Visual Paradigm for UML (VP-UML) is a UML design tool and UML CASE tool designed to aid software development. VP-UML supports key modeling standards such as Unified Modeling Language (UML) 2.4, SysML, ERD, DFD, BPMN 2.0, ArchiMate 2.0, etc.

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    Screenshot


  3. StarUML icon

    StarUML

    • Mac
    • Windows
    • Linux

    StarUML is a program to develop fast, flexible, extensible, featureful, and freely-available UML/MDA platform running on Win32 platform.

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    Screenshot
  4. UMLet icon

    UMLet

    • FreeOpen Source
    • Windows

    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.

    ⚫︎ Extensible by Plugins/ExtensionsUMLet can be extended with add-ons, plugins and extensions.
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    Screenshot
  5. Papyrus UML icon

    Papyrus UML

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Eclipse

    Graphical modelling open source UML2 tool based on Eclipse environment.

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    Use Case


  6. 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.

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    Discontinued

    Since 2010

    Screenshot
  7. Software Ideas Modeler icon

    Software Ideas Modeler

    • Windows

    Lightweight, powerful, easy to use, UML tool.

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    Screenshot
  8. 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.

    ⚫︎ PortableModelio can be used from a USB stick or similar with no prior installation.
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    Class diagrams
  9. 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.

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    Example
  10. 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.

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    Basic class diagram
Showing 10 of 14 alternatives