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

  • Simply solve complex auth. Easy for devs to set up. Easy for non-devs to use. Icon
    Simply solve complex auth. Easy for devs to set up. Easy for non-devs to use.

    Transform user access with Frontegg CIAM: login box, SSO, MFA, multi-tenancy, and 99.99% uptime.

    Custom auth drains 25% of dev time and risks 62% more breaches, stalling enterprise deals. Frontegg platform delivers a simple login box, seamless authentication (SSO, MFA, passwordless), robust multi-tenancy, and a customizable Admin Portal. Integrate fast with the React SDK, meet compliance needs, and focus on innovation.
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  • Crowdtesting That Delivers | Testeum Icon
    Crowdtesting That Delivers | Testeum

    Unfixed bugs delaying your launch? Test with real users globally – check it out for free, results in days.

    Testeum connects your software, app, or website to a worldwide network of testers, delivering detailed feedback in under 48 hours. Ensure functionality and refine UX on real devices, all at a fraction of traditional costs. Trusted by startups and enterprises alike, our platform streamlines quality assurance with actionable insights.
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  • 1
    This will be a complex Snake game. This is our project for the software laboratory at the University of Technology Budapest. Planed finish date: 2008. May 14.
    Downloads: 0 This Week
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  • 2
    BeigeUML

    BeigeUML

    UML diagram editor

    BeigeUML is an UML diagram editor. It has two user interfaces - ordinary desktop SWING and Android. Features: 1. Supports UML 2.4.1 compliant class diagram, package diagram, object diagram, sequence diagram and use case diagram. 2. It generates UML class diagram from Java source. 3. It's a doclet that generates standard Javadoc with UML class diagram. This application you can download from Central Maven Repository: https://search.maven.org/#search%7Cga%7C1%7Cg%3A%22org.beigesoft%22. There beige-uml-swing-[VERSION]-jar-with-dependencies.jar is Swing application and beige-uml-android-[VERSION].apk is Android application. Android version you can find also in Google Play Store. Its source code you can download at https://github.com/demidenko05/beige-uml Source of beige-android-demo (demo of Android tree/file-chooser, list-chooser etc.) still here.
    Downloads: 0 This Week
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  • 3
    BianLian Framework plan to establish a cross-platform, cross-language, JSF .NET like solution. To make all the GUI (both JSF .net and so on) INDEPENDENT to implementation. PS, BianLian is the famous Chinese art with about 1000 years history.
    Downloads: 0 This Week
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  • 4
    This BlueJ-Extension is developed by three student assistants of the lecture "Programming II" at Saarland University. It is designed especially for the students of this lecture, but useable by others too.
    Downloads: 0 This Week
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  • The Ultimate Quiz Maker & Engagement Platform Icon
    The Ultimate Quiz Maker & Engagement Platform

    Powering publishers, brands, and sports teams with 30+ interactive content types. Maximize engagement and revenue with Riddle.

    Riddle is an online platform for creating interactive content such as quizzes, surveys, personality tests, prediction games, and leaderboards. Our customers create content on our platform and then embed it on their website. The goal? Increased engagement, lead generation, segmentation, and content monetization - all 100% GDPR compliant.
    Try for free
  • 5
    BlueXML Developer Studio is a modeler to create, to edit, to manage and communicate on models.
    Downloads: 0 This Week
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  • 6
    Blueprint Builder

    Blueprint Builder

    The markup language for design the programs

    Blueprint Builder is an integrate environment for development the blueprint documents. Blueprint is a technology for designing : 1. structure of program 2. process of development 3. business processes The technology is compatible with Rational Unified Process Articles about Blueprint in english and ukrainian reveals the major moments of the using Blueprint technology. Examples of the using technology includes the blueprints of MultiText Editor, Blueprint Builder and Neutrino (Java library for text editing) The program costs $500. See Donate section for datails Install Java 1.6 from distributive firstly
    Downloads: 0 This Week
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  • 7
    Bluprint
    Bluprint is an Agile-MDA code generator. It is a fuss-free tool supporting code generation from UML modelling tools. It supports model/code merging so engineers can easily extend and maintain generated code. Bluprint has been developed using itself.
    Downloads: 0 This Week
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  • 8
    Framework for creation of board games. Chess is built-in, Monopoly comes next. It addresses: 1) Players 2) Game authors 3) AI developers 4) Model-based developers. Developed by software professionals using EMF. New games are configured in few hours.
    Downloads: 0 This Week
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  • 9
    BoarderZone ASNalyzer
    A 100% pure Java Swing ASN.1 analysis utility for inspecting arbitrary BER-encoded data files. It allows inspection of data with unknown structure, can drill down to any nesting level and allows to interpret embedded OCTET STRING data recursively.
    Downloads: 0 This Week
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  • Secure remote access solution to your private network, in the cloud or on-prem. Icon
    Secure remote access solution to your private network, in the cloud or on-prem.

    Deliver secure remote access with OpenVPN.

    OpenVPN is here to bring simple, flexible, and cost-effective secure remote access to companies of all sizes, regardless of where their resources are located.
    Get started — no credit card required.
  • 10
    Bogor-PubSub is a set of extensions to the Bogor model checker enabling accurate, automatic verification of Publish-Subscribe infrastructures.
    Downloads: 0 This Week
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  • 11
    Bomb Input is a input plus project. It include motion and sound sub project. The motion sub project plan to help embeded-application get orientation and speed with camera. The sound sub project plan to help embeded-application analyse sound.
    Downloads: 0 This Week
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  • 12
    The BDT (Build Development Tools) Project is working towards providing a fully functional Build Integrated Development Environment (IDE) for the Eclipse platform.
    Downloads: 0 This Week
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  • 13
    Buildap is a Visual Component Based Development framework. It is available as standalone tool as well as Netbeans and Eclipse plugins. SVG viewer/editor and Diagram Editor are also available. See Buildap powered project at http://e-records.buildap.com/.
    Downloads: 0 This Week
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  • 14
    BuorCrass is a generic strategy game. The objective is to model the domain of strategy games, using object oriented tools.
    Downloads: 0 This Week
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  • 15
    Application has been created during my Master Degree studies at PJIIT. It was inspired by "Business Process Modeling and Simulation with UML" articles by Pan-Wei Ng published on The Rational Edge Apr / May 2002.
    Downloads: 0 This Week
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  • 16
    ByronStar SL - as its ultimate goal - will provide an eclipse based IDE for SecondLife owned by Linden Labs (http://secondlife.com). Starting point is an editor for Linden Scripting Language (LSL) with many features (e.g. parser). More to follow...
    Downloads: 0 This Week
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  • 17
    CHSM is a language system for specifying concurrent, hierarchical, finite state machines (an implementation of "statecharts") to model and control reactive systems.
    Downloads: 0 This Week
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  • 18
    CM3 describes a set of plugins for several UML-Tools by adding validation-mechanisms to the tool. This enables the team to setup several individual validation-rules for their models.
    Downloads: 0 This Week
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  • 19
    COMPAS J2EE is a non-intrusive performance instrumentation and monitoring toolkit for J2EE. It uses adaptive monitoring to automatically adjust the target coverage. COMPAS is completely portable across J2EE application servers and OSs.
    Downloads: 0 This Week
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  • 20
    Development tool are a batch of Eclipse plugins(Model Designer,Page Designer,Flow Designer,Depolyer,Code Generator) that allow designing BPDL(Business Process Definition Language),generating muti-framework sourcecode,deploying to different servers.
    Downloads: 0 This Week
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  • 21
    Map CSV records to Java Objects and back again (a la hibernate).
    Downloads: 0 This Week
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  • 22
    This projects aims to be an UML modeling tool and a set of reusable components for other projects.
    Downloads: 0 This Week
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  • 23
    Database, Uml and another diagrams modeling tool. It is intend to be a integrated application that synchronize all diagrams with the final product( Databases, Code, Documents ).
    Downloads: 0 This Week
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  • 24
    Casper Datasets is a robust in-memory data manipulation framework, which allows programmatic search / sort / indexing on relational data rows. Casper Datasets virtually eliminates the need for relational databases for basic data manipulation and provides
    Downloads: 0 This Week
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  • 25
    A openArchitectureWare based Generator for deriving a WS-Agreement document from a formal description of a (Web-)Service and its associated assertions (SLO) to Quality Of Service (QoS). You can use predefined QoS parameters as well as introduce new ones.
    Downloads: 0 This Week
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