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

  • Fully Managed MySQL, PostgreSQL, and SQL Server Icon
    Fully Managed MySQL, PostgreSQL, and SQL Server

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    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
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  • 1

    APKRepatcher

    APKRepatcher helps you to modify an existing apk with simple GUI

    APKRepatcher helps you to modify an existing apk using a simple user friendly GUI. It lets you edit java/smali code from an APK and rewrite the changes back to the modified signed APK. Additionally, it provides you option to convert Dex, Jar, Class, Smali, Class from one format to another. APKRepatcher makes use of dex2jar, jadx, rsyantaxtextarea, zip4j, apktool
    Downloads: 9 This Week
    Last Update:
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  • 2
    The JavaCC Eclipse Plugin provides a JavaCC & JTB editor and a builder which process .jj, .jjt & .jtb files and integrate with Eclipse's incremental build system. Compatible with Eclipse 4.6.0+ and Java 1.8+. Also embeds JTB 1.5.1.
    Downloads: 4 This Week
    Last Update:
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  • 3
    A refactoring tool for the Java programming language, it includes the JavaStyle pretty printer, a UML java class diagram viewer, a coding standards checker and computes program metrics. Plugins for jEdit, Netbeans, JBuilder and other IDEs available.
    Downloads: 15 This Week
    Last Update:
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  • 4
    Piccolo is the fastest SAX parser for Java, supporting SAX1, SAX2, and JAXP (SAX only). Piccolo is different from other parsers in that it was developed using parser generators. It weighs 160K including XML APIs. See http://piccolo.sf.net for more info.
    Downloads: 7 This Week
    Last Update:
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  • Host LLMs in Production With On-Demand GPUs Icon
    Host LLMs in Production With On-Demand GPUs

    NVIDIA L4 GPUs. 5-second cold starts. Scale to zero when idle.

    Deploy your model, get an endpoint, pay only for compute time. No GPU provisioning or infrastructure management required.
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  • 5
    McuOnEclipse

    McuOnEclipse

    Releases of McuOnEclipse projects

    Processor Expert components and Eclipse examples and plugins.
    Downloads: 10 This Week
    Last Update:
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  • 6
    Java 3D Editor

    Java 3D Editor

    An editor for Java 3D scenes

    A Java 3D graphics tool that can be used to implement graphics applications for various purposes. Provides the user interface in which a three-dimensional objects can be manipulated with ease. The application also allows you to generate code from the scene in the Java language automatically, so that objects can be created and used to run graphical applications later.
    Downloads: 9 This Week
    Last Update:
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  • 7
    jdec is a Java Decompiler. It can be used to reverse the bytecodes present in a .class File to produce a Java Source File which can be nearly correct or equivalent (Due To different Interpretations) to the original java file.[With UI & command line]
    Downloads: 3 This Week
    Last Update:
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  • 8
    Retrotranslator is a tool that makes Java applications compatible with Java 1.4, Java 1.3 and other environments.
    Downloads: 3 This Week
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  • 9
    Dedexer is a disassembler tool for Android DEX files. The purpose is to create Jasmin-like source files from DEX files.
    Downloads: 3 This Week
    Last Update:
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  • Train ML Models With SQL You Already Know Icon
    Train ML Models With SQL You Already Know

    BigQuery automates data prep, analysis, and predictions with built-in AI assistance.

    Build and deploy ML models using familiar SQL. Automate data prep with built-in Gemini. Query 1 TB and store 10 GB free monthly.
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  • 10
    Java Modeling Language (JML)
    This sourceforge site for the project is now DEPRECATED and not updated. All current work and new releases are on github: https://github.com/OpenJML/OpenJML. The Java Modeling Language (JML) is a behavioral interface specification language that can be used to specify the behavior of Java modules (as in design by contract -- DBC). It has many tools to do assertion checking, unit testing, etc. The principal current tool of the project is OpenJML -- cf. https://www.openjml.org, with binary downloads from https://github.com/OpenJML/OpenJML/releases/latest
    Downloads: 8 This Week
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  • 11
    JiBX is a framework for XML data binding to Java. It works with existing classes, using a flexible mapping definition file to determine how data objects are translated to and from XML. See the Home Page for details and external bug tracking system links.
    Downloads: 2 This Week
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  • 12
    "Web Test Tools" is an open source project which provides tools for different kind of testing such as unit tests (JUnit), and different kinds of tests for applications. Additionaly you can download here good implementation of internet protocols in Java.
    Downloads: 7 This Week
    Last Update:
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  • 13
    JBizMo

    JBizMo

    Powerful generator for Java applications (JPA, Java EE...)

    JBizMo supports building of Angular, Eclipse RCP/RAP, JavaFX, JSF (Primefaces), Swing and Vaadin applications. The generated applications can run in a stand-alone mode or they can be deployed on a Java EE server (Wildfly 16, Payara 5). Alternatively, the Spring platform is also supported! JBizMo applications use JPA in order to access the target database. The plug-in contains a graphical editor for designing the domain model.
    Downloads: 2 This Week
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  • 14
    Java Gui Designer (JGuiD)
    Java Gui Designer(JGuiD)is a graphical user interface designer for java with a special feature WYSIWYG(what you see is what you get). you will be able to see at design time, the exact same thing as you get when the generated source is executed.
    Downloads: 2 This Week
    Last Update:
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  • 15
    BNF for Java is a BNF Compiler-Compiler, or Parser-Generator. It implements ISO Standard Backus-Naur Format, using Java. BNF allows you to create a syntax, or a complete language, to parse your data source. Your custom Java extensions generate output.
    Downloads: 3 This Week
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  • 16
    MultiJava adds open classes and multiple dispatch to Java. Open classes let one add new operations to existing objects. Multiple dispatch has many uses; one typical example is to write event handlers for Swing applications while avoiding nested ifs.
    Downloads: 3 This Week
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  • 17
    8. Mai 2005: We have discontinued SourceForge as a download place for our open source projects. You can now download these projects directly from the XLOG Technologies GmbH web site at http://www.xlog.ch/omonia.
    Downloads: 5 This Week
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  • 18
    Druid is a GUI tool for database build and management. Users can add/change/delete DB objects (tables, fields, etc). Druid generates for you: SQL scripts, docs in XHTML, PDF, DocBook, etc; code in C, C++ & Java Beans even for JDO and support Castor & OJB
    Downloads: 1 This Week
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  • 19
    This project consists from a java based framework to create barcode images (EAN13, EAN8, UPCA, UPCE, Code 3 of 9, Codabar, Code 11, Code 93, Code 128, MSI/Plessey, Interleaved 2 of 5, PostNet, etc).
    Downloads: 4 This Week
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  • 20
    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: 4 This Week
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  • 21
    XPath Explorer (XPE) is a GUI application that lets you interactively experiment with XPath. Given an xpath and URL (to an HTML or XML document), it displays matching nodes and their values. This makes it easy to play with and debug your XPath expression
    Downloads: 4 This Week
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  • 22
    Flow4J-Eclipse is a plugin for the eclipse IDE that enables the modelling of process flows in a drag and drop manner. Building a Flow4J project creates the flow\'s java source code and is then compiled by the JDT plugin. Uses the eclipse-gef framework.
    Downloads: 2 This Week
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  • 23
    Robin is a framework that automatically generates Python bindings to C++ libraries. In addition to what other wrapping programs (like "Swig" or "SIP") can do, Robin puts stress on maximal useability and the tightest binding possible.
    Downloads: 2 This Week
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  • 24
    Nextobjects is an Integrated Development Tool for Entreprise Applications. It use Turbine Torque for code generation. It is based on the Merise method.
    Downloads: 2 This Week
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  • 25
    JavaGuard is a general purpose bytecode obfuscator, designed to fit effortlessly into your regular build and testing process, providing peace of mind that your valuable Java code is more secure against decompilation and other forms of reverse engineering
    Downloads: 1 This Week
    Last Update:
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