The Best 30 Poseidon for UML 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

  • 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

    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

  • 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

  • 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

  • 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

  • ckwnc

    ckwnc is a uml sequence diagram creation tool that uses an intuitive c-style language to automatically create uml diagrams that can be saved as an image or embedded...

    Free Open Source Linux Web