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

  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
    Try It Free
  • Stop vibe-debugging. Icon
    Stop vibe-debugging.

    Plug Claude into your app's actual errors.

    AppSignal's MCP server hands Claude, Cursor, or Zed your real errors, traces, and the deploy that shipped them. AI writes the fix; you review the diff.
    Free 30 days.
  • 1
    Data Manipulator is a pure Java GUI interface for SQL databases. Not only an administrative tool, but one that allows a user to create forms and reports. Additionally A Java programmer can use code with Forms, reports a stand alone to manipulate the data
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    A framework for data-flow based program analysis, implemented as a set of Java APIs. By using this framework, researchers and developers can easily implement analyses, test their correctness, and evaluate their performance. In addition, the framework all
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3

    DeClassify

    A Java Decompiler with a catchy name.

    A Java Decompiler that is based on the object oriented premise of Java. Everything is an object. The intermediate between bytecode and source os an object.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Deesel is a programming language for the Java platform which provides a modern host language and a framework for adding Domain Specific Languages.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Auth0 B2B Essentials: SSO, MFA, and RBAC Built In Icon
    Auth0 B2B Essentials: SSO, MFA, and RBAC Built In

    Unlimited organizations, 3 enterprise SSO connections, role-based access control, and pro MFA included. Dev and prod tenants out of the box.

    Auth0's B2B Essentials plan gives you everything you need to ship secure multi-tenant apps. Unlimited orgs, enterprise SSO, RBAC, audit log streaming, and higher auth and API limits included. Add on M2M tokens, enterprise MFA, or additional SSO connections as you scale.
    Sign Up Free
  • 5
    An architecture description language (DiaSpec) supports the description of components of a given distributed computing area. From these descriptions, DiaGen generates a dedicated programming framework to support distributed application development.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6

    Djarva Language and VM

    Djarva - object language, compiler and virtual machine

    Djarva is object language inspired by Ruby and Java languages. Djarva project includes Djarva language, Djarva language to Djarva bytecode compiler and Djarva virtual machine accepting Djarva bytecode. Whole solution is implemented in the Java language. Djarva compiler is based on JKIT (see http://homepages.ecs.vuw.ac.nz/~djp/jkit/).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Dresden OCL
    Dresden OCLallows to query arbitrary EMF-based models. It provides an advanced OCL2 Editor, a Parser, an Interpreter, and a Codegenerator for Java and SQL. WE MOVED TO GITHUB. PLEASE VISIT https://github.com/dresden-ocl/dresdenocl
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    This project provides a simple facade for interacting with Java compilers, compiling Java code as strings to Java Classes. This project also provides several adapters for common Java compilers.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    ECCO is a web-based IDE. In other words is an online development environment with file manager, console interface for compiling and execution of code and an editor with syntax highlighting, tabs and support for many languages and accessed with a browser
    Downloads: 0 This Week
    Last Update:
    See Project
  • 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
  • 10
    To develop a plug-in for eclipse (eclipse.org) allowing for seamless Eiffel Development using the SmartEiffel (smarteiffel.loria.fr) compiler and the ELJ (elj.com) tools.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    EGG is a development tool for fast and easy realization of XML to plain-text tranformations. It's similar to XSLT, Velocity or JSP but emphasises source-code generation in a model-driven, generative development-process. For Windows or Unix with Java.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    EJDC is a java class file decompiler written by java language. The full name of this project is "Emilio's Java Decompiler".
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    The EMP language (Easy Mobile Programming) is an easy-to-use programming language for developing independent Symbian OS applications. The primary goal is to provide an easier alternative for the Symbian OS C++.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Extensible language for portable parallelism. Any visual element may be used to extend program syntax and a re-writing rule defined for it. Syntactic elements have properties attached, enabling symbolic manipulation to specialize to hardware.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    EXTE recognizes temporal expressions in a text. Temporal expressions are any references to the TIME e.g.: "today", "12th march 2006", "as soon as he woke up". This analyzer will recognize three languages: Spanish, English and French.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    An eclipse plug-in that will allow single java file compile using eclipse project class path.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    This project provides an Eclipse plugin that enables the RMI compilation for Java projects created in Eclipse JDT.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Eclipse plugin for JBurga Bottom-Up Rewrite Machine Generator for Java.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Erc is an interpreted link-oriented language. Majic is a java-based interpreter for Erc, and Majicc is a c++ based compiler for Erc which uses the Majic libraries.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    This is an Error Class Generator. It takes a text file that defines the error types, constant names and messages, levels and responses associated with it and generates classes in the supported languages that can be used to consistently handle errors
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    ExStudio is a set of development tools for the "Ex" virtual machine. It includes the vm itself, a compiler, an assembler and a debugger.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    This is a new Java front end for gcc, replacing parts of the existing "gcj" front end. It is intended to be much cleaner and easier to hack than the current front end.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    The goal of the project is to create extensible compiler to JVM. The compiler uses plugins and extensible syntax defined in separate project.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    The goal of the project is to create specifications and provide reference parser in Java and C# for Extensible Term Language.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    A wrapper over the fcsh (Flex Compiler Shell) that expose the fcsh.exe to be accessed from an ant task. You can send mxmlc commands from ant tasks to a wrapped fcsh instance. Informations about project are on http://fcshwrapper.blogspot.com/
    Downloads: 0 This Week
    Last Update:
    See Project
Auth0 Logo