The Best 46 StarUML Alternatives

  • astah Community Edition icon

    astah Community Edition

    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 quickly and easily enhanced, and refining your...

    Free Windows Linux

  • WhiteStarUML icon

    WhiteStarUML

    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...

    Free Open Source Windows

  • Papyrus UML icon

    Papyrus UML

    graphical modelling open source uml2 tool based on eclipse environment.

    Free Open Source Mac OS X Windows Linux Eclipse

  • Violet UML Editor icon

    Violet UML Editor

    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...

    Free Open Source Mac OS X Windows Linux

  • NClass icon

    NClass

    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...

    Free Open Source Windows Linux

  • BOUML icon

    BOUML

    BOUML is a free UML 2 tool box (under development) allowing you to specify and generate code in C++, Java, Idl, Php and Python. BOUML runs under Unix/Linux/Solaris...

    Commercial Mac OS X Windows Linux

  • UML Designer icon

    UML Designer

    UML Designer provides a set of common diagrams to work with UML 2.5 models. The intent is to provide an easy way to make the transition from UML to domain specific...

    Free Open Source Mac OS X Windows Linux

  • Classbuilder icon

    Classbuilder

    ClassBuilder is freeware CASE tool targeted at the C++ developer, running on Win2K-XP. It lets you create, manipulate and navigate classes, class relations, class...

    Free Open Source Windows

  • TopCoder UML icon

    TopCoder UML

    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...

    Free Open Source Mac OS X Windows Linux

  • Chrons Web Modeler icon

    Chrons Web Modeler

    the Chronos Web Modeller is a collaborative tool for the creation of UML models with reporting, code and document generator . CWM offer an holistic MDA/MDD approach...

    Free Open Source Web

  • jsUML2 icon

    jsUML2

    A lightweight HTML5/javascript library for UML 2 diagramming. Alpha software. This project is in progress. Many functionalities are ready to be used. Nevertheless...

    Free Open Source Web JavaScript

  • System Designer icon

    System Designer

    Integrated development environment that can help you define models for your applications in a streamlined manner and test the results.

    Free Open Source Mac OS X Android iPhone Android Tablet Web

  • ObjectAid icon

    ObjectAid

    The ObjectAid UML Explorer is an agile and lightweight code visualization tool for the Eclipse IDE. It shows your Java source code and libraries in live UML class and...

    Freemium Mac OS X Windows Linux

  • yUML icon

    yUML

    Create and share simple UML diagrams. Beta software. Supported diagram types: class, use case

    Free Web

  • MockupTiger icon

    MockupTiger

    MockupTiger is a web based application that helps you to build fluid wireframes, mockups or prototypes for your next web application or desktop software. It has a...

    Commercial Windows Linux Android iPhone Web

  • Eclipse Mode Development Tools icon

    Eclipse Mode Development Tools

    The Model Development Tools (MDT) project focuses on big "M" modeling within the Modeling project. Its purpose is twofold: To provide an implementation...

    Free Open Source Mac OS X Windows Linux

  • Poseidon for UML icon

    Poseidon for UML

    Dont lose the advantage of clarity and simplicity to an overly complicated tool - the Poseidon for UML software line lets you get down to work without entanglements in...

    Free Mac OS X Windows Linux