Browse free open source UML tools and projects for Windows below. Use the toggles on the left to filter open source UML tools by OS, license, language, programming language, and project status.

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  • 1
    StarUML
    StarUML is an open source project to develop fast, flexible, extensible, featureful, and freely-available UML/MDA platform running on Win32 platform. The goal is a compelling replacement of commercial UML tools such as RationalRose, Together and so on.
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    Downloads: 450 This Week
    Last Update:
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  • 2
    NClass
    NClass is a free tool to easily create UML class diagrams with full C# and Java language support.
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    Downloads: 88 This Week
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  • 3
    Whole Platform
    The Whole Platform is a technology for engineering the production of software. We provide an Eclipse based Language Workbench for developing, manipulating and transforming languages using a model driven approach.
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    Downloads: 162 This Week
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  • 4
    DMF: Distributed Multiplatform Framework

    DMF: Distributed Multiplatform Framework

    Development framework including code generator and UML ex/import

    A component based programming framework. This project is aimed to support various target frameworks. A wxWidgets based GUI application is the major sample which also provides rapid database GUI design with UML import and export (db reverse engineering).
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    Downloads: 159 This Week
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  • 5
    The Object-Role Modeling (ORM) standard version 2, associated schemas and generation tools, and a reference implementation in the form of the Natural Object-Role Modeling Architect for Visual Studio (NORMA) product.
    Downloads: 5 This Week
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  • 6
    Modelio-Open is a project hosting a set of open source extensions (SoaML, SysML and UML Testing Profile) for a previous version (1.2) of the Modelio Free tool . Currently, the lastest version (2.x) of Modelio modeling and generation tool is available at http://modelio.org/downloads/download-modelio.html. All extensions are downloadable at http://forge.modelio.org/projects.
    Downloads: 6 This Week
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  • 7
    MERMAID is an object-oriented domain modeling tool to create enterprise models using an UML class diagram, an object-event table and finite state machines. The CASE tool checks view consistency, has XMI support and code generation abilities.
    Downloads: 16 This Week
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  • 8
    SINVAS UML

    SINVAS UML

    UML Modeling Tool for MDD-based Analysis/Design

    SINVAS is a software engineering platform tool to support Full Life Cycle of software development, and is composed of five products. SINVAS acquires Traceability, recyclability and visibility of software development. It will help greatly to the improvement of productivity and product quality. If you send various proposals, functions and bugs of SINVAS to us, we will reflect in the ongoing product development. SINVAS Product Introduction 1) SINVAS REQ - Requirement Management : https://sourceforge.net/projects/sinvas-req/ 2) SINVAS UML - MDD-based analysis/design : https://sourceforge.net/projects/sinvas-uml/ 3) SINVAS DEV - Modeling-based development : https://sourceforge.net/projects/sinvas-dev/ 4) SINVAS TEST - Testing and Validation of software : https://sourceforge.net/projects/sinvas-test/ 5) SINVAS ALM - Management of software development projects and methodology Thank you for your continuous interest and encouragement.
    Downloads: 16 This Week
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  • 9
    RANGE: produce random genetic transcription networks in the NEMO language, which when compiled outputs models in Systems Biology Markup Language. Generate synthetic microarray data, or use NEMO alone to SBML-ize a network, or visualize it in cytoscape.
    Downloads: 9 This Week
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  • 10
    PostgreSQL Database Modeler
    ** ATTENTION ** THIS PROJECT HAS MOVED TO: https://github.com/pgmodeler/pgmodeler New releases only will be available on GitHub. PostgreSQL Database Modeler, or simply pgModeler is an open source project of a CASE tool for modeling PostgreSQL that merges the classical concepts of modeling using entity-relationship diagrams with specific features that only PostgreSQL implements. The pgModeler translates the models created by the user to SQL code and apply them onto database clusters from version 8.0 to 9.1. Please, let me know how the pgModeler is working on your computer! Help to improve this project, give your feedback about the software or report any bug at "Tickets" page. Do not forget to detail the bug and if possible attach a screenshot or model database which expressed the bug. Follow the pgModeler profile on Facebook/Twitter and be up-to-date with new features, fixes and releases. https://www.facebook.com/pgmodeler https://twitter.com/pgmodeler
    Downloads: 2 This Week
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  • 11
    A toolkit to design applications using design patterns, with facility to generate code, and reverse engineering. Drag and Drop facility to create UML Class diagrams Support to write custom plug-ins for code generators and reverse engineering.
    Downloads: 5 This Week
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  • 12
    ObjectBuilder is a C++ CASE tool (CASE, refactoring, documentation generator). It lets you create, manipulate and navigate classes, class relations, class members and class methods at a high level of abstraction.
    Downloads: 3 This Week
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  • 13
    EasyStruts provide advanced support for developing Struts web applications with Eclipse . keywords: MVC, Struts, Eclipse, Java
    Downloads: 1 This Week
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  • 14
    JSDAI is a toolkit for STEP (ISO 10303), the STandard for the Exchange of Product Model data, that enables linking of CAD, CAM, PDM, PLM, CAx systems. JSDAI supports the development of Express data models (ISO 10303-11) and their implementation in Java.
    Downloads: 2 This Week
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  • 15
    Open States Machines Designer is a Eclipse RCP based graphical editor for UML States Machines diagrams. It provides functionalities like Import/Export as XML and States Map Compiler Files, Code generation with SMC, UML validation rules...
    Downloads: 2 This Week
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  • 16
    COORAD

    COORAD

    Configurable Object Oriented Rapid Application Development system

    COORAD is a classic LAMP/WAMP stack application. It let you quickly design web pages and configure actions to manage your data. Moreover, it let you self-generate pages/sections/actions/CSS/javascript by COORAD model objects and create your own models. So, you can share all your objects with the COORAD community and speed up your development. COORAD is a real general purpose application to build your own applications: simple sites, Content Managment Systems, Enterprise Resource Planners, etc.
    Downloads: 1 This Week
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  • 17
    An Eclipse plugin for generating code out of an Entity-Relationship-Diagram (ERD). Currently SQL-DDL and POJO classes with EJB3.0 Annotations are supported. The diagrams conform to the diagram description by H. Buff (german book, ISBN 3-03-440201-5)
    Downloads: 1 This Week
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  • 18
    InstantObjects
    WARNING! PROJECT MOVED TO: https://github.com/EtheaDev/InstantObjects InstantObjects for Delphi is an integrated object persistence framework. In combination with the traditional Delphi RAD approach, InstantObjects brings out the best of your object-oriented development process as well as your applications.
    Downloads: 1 This Week
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  • 19
    Downloads: 1 This Week
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  • 20
    Phorm is an ORM (Object Relational Mapping) tool for php and .net. It works as a plugin of DBDesigner, a freely available tool which allows to graphically design a database schema.
    Downloads: 1 This Week
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  • 21
    The Introspector enables the programming tools that deal with source code such as the compiler to communicate in a standard and neutral manner reducing the accidental cost of programming. http://github.com/h4ck3rm1k3/
    Downloads: 1 This Week
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  • 22
    With this tool you can model your software project, with the different UML diagrams.
    Downloads: 1 This Week
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  • 23
    Struts-It provides comprehensive support for developing Struts-based web applicatons. It is based on Eclipse 3.1 and well integreted with WTP 0.7. Supports Struts 1.1, 1.2 and JSTL.
    Downloads: 1 This Week
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  • 24
    a framework library with a template method interface and inheritable classes for an executable process design which produces an executable which is both a GUI and a console application. It provides multi-threading for work items of the provider process .
    Downloads: 0 This Week
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  • 25
    The project aims to create a web based database administration tool, with expansion into automatic code generation from the database schema. The code allows creation and removal of databases, tables and fields via a web browser.
    Downloads: 0 This Week
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