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.

  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
    Try it Free
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 1
    Downloads: 1 This Week
    Last Update:
    See Project
  • 2
    JPlate represents a collection of reusable frameworks, tools, utilities and Java source code. Ideally JPlate will provide the plumbing by which constructing solutions (for example applications) will be simplified.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 3
    Java AS400 RPG source code editor, debugger, IDE.
    Downloads: 1 This Week
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    See Project
  • 4
    Lowering the step toward JUnit by offering a convenient way to create, organize and maintain JUnit tests. Incremental behaviour keeps modified code when regenerating. Assists with refactorings (no tests get lost when renaming, moving, etc.).
    Downloads: 1 This Week
    Last Update:
    See Project
  • Secure User Management, Made Simple | Frontegg Icon
    Secure User Management, Made Simple | Frontegg

    Get 7,500 MAUs, 50 tenants, and 5 SSOs free – integrated into your app with just a few lines of code.

    Frontegg powers modern businesses with a user management platform that’s fast to deploy and built to scale. Embed SSO, multi-tenancy, and a customer-facing admin portal using robust SDKs and APIs – no complex setup required. Designed for the Product-Led Growth era, it simplifies setup, secures your users, and frees your team to innovate. From startups to enterprises, Frontegg delivers enterprise-grade tools at zero cost to start. Kick off today.
    Start for Free
  • 5
    Jamon is a text template engine for Java, useful for generating dynamic HTML, XML, or any text-based content. In a typical Model-View-Controller architecture, Jamon clearly is aimed at the View (or presentation) layer.
    Downloads: 1 This Week
    Last Update:
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  • 6
    Java Assertions to Code (JAC) is the tool which is used to generate the code from contracts of the method in Java. COFOJA is used to write contracts and JDT is used to create abstract syntax tree for parsing and manipulation of Java file.
    Downloads: 1 This Week
    Last Update:
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  • 7
    Jenesis Java Code Generator
    This a republished version of the inxar tool jenesis, because the original library is not available in the internet anymore. It is a Library to generate Java 8 code using a simple to use domain object model.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    MergeDoc

    MergeDoc

    Distributes Eclipse Japanese language-related tools and plug-ins

    Distributes Eclipse Japanese language-related tools and plug-ins. IntelliJ and PhpStorm can also be localized into Japanese.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    This is an Eclipse plugin, based on EMF JET Templates & Mapping model whose goal is to ease the process of automating the code generation and model transformation. The new release also include a new GEF plugin generator.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 10
    Currently all the samples are included in the Noir release found at http://sf.net/projects/noir/. One graphical sample of interest, is a BMPloader that loads 24bit bitmaps, written on only one page in using the Noir Framework. Noir is Not Useless (NINU)
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    FL is OR mapper that generates code that is able to work in J2EE environment. Source of generation is Rational Rose model.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 12
    OWL2XMI is a java project to facilitate the creation of classes UML diagrams. It generates a XMI file from one ontology, this XMI file can be imported using UML tools such as: StarUML, ArgoUML, among others. There are available online version, Visit Proj
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    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: 1 This Week
    Last Update:
    See Project
  • 14
    ObjectBuilder2

    ObjectBuilder2

    C++ CASE tool, full life cycle code generator

    ObjectBuilder is a C++ code generation CASE tool (CASE, code generation, refactoring, documentation generation). It lets you create, manipulate and navigate classes, class relations, class members and class methods at a high level of abstraction. ObjectBuilder dramatically simplify work with C++ project architecture. I use it and think that tree OO interface targeted to C++ more fast and power than UML class diagrams. ObjectBuilder perfectly organize C++ header files with any level of complexity. Even if you use loop-references if OO hierarchy, you need include only one project-level header file. You can easy modify and refactore existing project with cut/copy/paste ANY object (from Method Argument to entire Project) within project and between ObjectBuilder projects. ObjectBuilder is not an IDE tool. It is portable two-way architect code-generation tool.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    Objective database abstraction layer (ODAL) is a high-performance database manipulation framework. Features include query API, O-R mapping, data validation/conversion, stored procedure support, code generation. Minimal dependencies. Short startup time.
    Downloads: 1 This Week
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    See Project
  • 16
    ParGeL is an LALR(k) parser generator, which allows creation of inheritable parsers in runtime and compile time environments. ParGeL is written 100% in Java.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    This is a generator that creates PHP 4 code based on a PostgreSQL RDBMS for data entry into any database table or tables with 1-n associations or n-n associations. The generator now manages projects of more tables and has a complete graphical layout (CSS
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    Preesm
    PREESM provides a complete framework for fast prototyping. It generates a simulation and an optimized multiprocessor code from graph descriptions of algorithm and architecture. Please visit the project homepage at http://preesm.sourceforge.net.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    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: 1 This Week
    Last Update:
    See Project
  • 20
    Apache Ant based tool for generation a template project that includes directory structure, makefiles (build.xml, for example) and portions of source code. One can find this resembles PERL h2xs tool.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    System Modeller is a tool to automate the process of building an application from a simple XML based model.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    The Modding Table

    The Modding Table

    A software to craft easily your own Minecraft mod, without coding

    NOTE: THIS PROJECT HAS BEEN DISCONTINUED FOR MONTHS AND IS NO LONGER AVAILABLE FOR THE LATEST VERSIONS. The Modding table is a free software by CraftYourMod, to craft easily your own Minecraft mod without writing a line of code. Just configure your mod, add blocks/items, export it, compile it and run it ! The Modding table is also Cross Platform, so you can run on every recent OSes. There is also a WYSIWYG crafting recipe editor.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23

    ULS

    A lexical analyzer generator that makes the class source code.

    ULS is a class library for creating lexical analyzer from language specification file. It's provided as C/C++/C# and Java (class) libraries with a few of tools on Linux/Windows platform.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    UMMF is an open-source implementation of UML-compatible meta-meta-model, for the purposes of reifying meta-model implementations and to provide a platform for building flexible model and meta-model transformation tools.
    Downloads: 1 This Week
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    See Project
  • 25
    The purpose of this project is to provide an Ant-based cpp-like preprocessing capability using the Velocity Template Engine.
    Downloads: 1 This Week
    Last Update:
    See Project
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