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.

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  • 1
    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
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  • 2

    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: 8 This Week
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  • 3
    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: 5 This Week
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  • 4
    Retrotranslator is a tool that makes Java applications compatible with Java 1.4, Java 1.3 and other environments.
    Downloads: 5 This Week
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  • Axe Credit Portal - ACP- is axefinance’s future-proof AI-driven solution to digitalize the loan process from KYC to servicing, available as a locally hosted or cloud-based software. Icon
    Axe Credit Portal - ACP- is axefinance’s future-proof AI-driven solution to digitalize the loan process from KYC to servicing, available as a locally hosted or cloud-based software.

    Banks, lending institutions

    Founded in 2004, axefinance is a global market-leading software provider focused on credit risk automation for lenders looking to provide an efficient, competitive, and seamless omnichannel financing journey for all client segments (FI, Retail, Commercial, and Corporate.)
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  • 5
    Raptor (Rapid Application ProtoTyping of Objects and their Relations). Java Frontend Framework that supports JavaBeans, Hibernate, Jakarta-POI, and a simple Raptor data access layer.
    Downloads: 13 This Week
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  • 6
    Este programa é um gerador de Analisadores Léxicos e Sintáticos, é o resultado de um trabalho de conclusão de curso, do curso de Ciências da Computação da UFSC.
    Downloads: 12 This Week
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  • 7
    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: 4 This Week
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  • 8
    The DBE Studio is an Integrated Development Environment (IDE) for the Digital Business Ecosystem (DBE). It includes eclipse plugins that allow business services to be analysed, and corresponding software services to be defined, developed and deployed.
    Downloads: 11 This Week
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  • 9
    JAXBBuilder is an eclipse plugin for generating Java classes directly from XML schema, XML or JSON files. The plugin detects document changes and re-generates Java code via Castor or XJC. It includes a JAXB project wizard, and configuration pages
    Downloads: 3 This Week
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  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • 10
    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: 3 This Week
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  • 11
    Beaver is a LALR compiler compiler for Java that uses several techniques to generate very fast parsers.
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    Downloads: 5 This Week
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  • 12
    JDiff is a Javadoc doclet which emits an HTML report of all the packages, classes, methods, and so on, which are different (the "diff" part) when two Java APIs are compared. Great for reporting what has changed between two releases of your product.
    Downloads: 8 This Week
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  • 13
    JFrame is Model View Controller Model2 framework for Web based applications written in Java language. It is very simple and emphasis on security and stability. Because of it simplicity this framework can be used and for studying purposes.
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    Downloads: 8 This Week
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  • 14
    Platform-independent PostgreSQL diff tool that is useful for schema upgrades. The tool compares two schema dump files and creates output file that can be used for upgrade of old schema. Project sources and issue tracker has been moved to https://github.com/fordfrog/apgdiff.
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    Downloads: 2 This Week
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  • 15
    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: 7 This Week
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  • 16
    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: 7 This Week
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  • 17

    Xsemantics

    a DSL for type systems, reduction rules, interpreters for Xtext langs

    Xsemantics is a DSL (implemented in Xtext itself) for writing type systems, reduction rules, interpreters (and in general relation rules) for languages implemented in Xtext. It then generates Java code that can be used in your language implemented in Xtext for scoping and validation (it can also generate a validator in Java).
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    Downloads: 7 This Week
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  • 18
    This project supplies two code generating utilities and a core C++ library that simplify programming to the JNI in C++.
    Downloads: 6 This Week
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  • 19
    SableCC is a parser generator which generates object-oriented frameworks for building compilers, interpreters and other text parsers. SableCC keeps a clean separation between machine and user code which leads to a shorter development cycle.
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    Downloads: 6 This Week
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  • 20
    jPicEdt

    jPicEdt

    Another drawing editor for LaTeX with PSTricks & TikZ

    jPicEdt is an extensible internationalized vector-based drawing editor for LaTeX and related packages (TikZ, PsTricks,...), written in Java. It is also a library of reusable high-level graphic primitives.
    Downloads: 6 This Week
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  • 21
    JCom is a bridge library between Java and Com to enable COM object access from Java classes. Example: Creating an Excel worksheet, or using Visual Basic COM application from a Java application. See also this alternative http://com4j.kohsuke.org/
    Downloads: 3 This Week
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  • 22
    RECODER is a Java framework for Java program analysis and source code transformation. It computes an easy to use syntactic and semantic program model containing cross references, and it supports transformation rollbacks and incremental model updates.
    Downloads: 5 This Week
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  • 23

    minuteProject

    Reverse-engineering tool

    MinuteProject is reverse-engineering tool. It generates application stacks for opensource technologies. Backend technologies: iBatis, Hibernate, JPA, JPA2, springframework. REST: JEE-jersey, CXF, springMVC. Front-end: Openxava, Grails, Play. Methodology: FitNesse. In incubator: vaadin, jsf-primefaces, jooq, rails.
    Downloads: 1 This Week
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  • 24
    Koopa (COBOL) Parser Generator
    This project has moved to GitHub ! The version here at SourceForge will remain for historic purpose. Koopa is a parser generator, made for COBOL. It can handle source files in isolation (no preprocessing required) and doesn't mind the presence of CICS/SQL fragments. The grammar is easily extensible in a way which minimizes the impact on the overall code.
    Downloads: 1 This Week
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  • 25
    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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