The Best 30 Classbuilder Alternatives

  • 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

    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

  • 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

    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

  • Modeliosoft

    Whether you are a Business Architect, System Architect, Developer, Analyst or Designer, Modeliosoft meets your needs through its high quality solutions for modeling, and...

    Commercial Windows Linux

  • yUML

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

    Free Web

  • 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

    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

  • UModel

    UModel is a UML (Unified Modeling Language) software modeling tool from Altova, the creator of XMLSpy. UModel supports all 14 UML 2 diagram types and adds a unique...

    Commercial Windows