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.

  • Ship Agents Faster Icon
    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.
    Start Free
  • 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.
    Start Free
  • 1
    QVT-Rel2Op translates QVT-Relations model-transformation specifications to the imperative QVT Operational Mappings language. It is based on EMF, openArchitectureWare, ANTLR and the QVT-Parser project.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    RCXJavaC A Java like compiler for the Lego Mindstorms Robotics kit.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    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: 0 This Week
    Last Update:
    See Project
  • 4
    RSP is a retargetable language for writing web applications. A web application written in RSP can be compiled into either ASP, JSP or PHP code and then deployed to a web server.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Veeam Data Platform v13.1 - Get Your Free Trial Icon
    Veeam Data Platform v13.1 - Get Your Free Trial

    Secure by design, portable by default. Recover clean, fast, anywhere. Start a free trial.

    Try Veeam Data Platform today. Experience the unified platform that's secure by design, portable by default, and proven to recover clean, fast, and anywhere.
    Try it Free
  • 5
    Recoder.C# is a Java framework for C# program analysis and source code transformation. It computes an easy to use syntactic and semantic program model containing cross references and supports transformation rollbacks and incremental model updates.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    Abacus Technologies Relational XQuery is an XQJ compatible XQuery processor that provides the ability to execute XQuery against both relational and XML data sources. Relational data can be transformed to any XML schema using XQuery's powerful features.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Retrotranslator is a tool that makes Java applications compatible with Java 1.4, Java 1.3 and other environments.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    A Java bytecode weaver that enables you to take advantage of the new 1.5 language features in your source code, while still retaining compatibility with 1.4 virtual machines.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    This is a fork from retroweaver based on the 1.1 release. The modifications have been merged back into retroweaver and all future development will be done there. This project is now inactive.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Paessler - Monitor Your Whole Network in Minutes Icon
    Paessler - Monitor Your Whole Network in Minutes

    Auto-discovery finds your devices and deploys pre-configured sensors instantly. No project plan required, just visibility from day one.

    Waiting weeks for a monitoring rollout isn't an option when infrastructure doesn't stop running. PRTG's auto-discovery scans your network and suggests from over 200 pre-configured sensor types, so you're watching servers, applications and devices within minutes, not after a multi-week deployment. Enterprise-strength monitoring, without the enterprise complexity. Start your free trial today.
    Start Free 30-Day Trial
  • 10
    Rev = Really Easy Validation - write your form validation code once in this simple and powerful language that generates code for JavaScript, Perl, PHP, and Java. With Rev you get server side and client side data validation with no duplicated code.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Ruby On Flash is a compiler written in Java that compiles Ruby source code directly into Flash applications(.swf files), and aims to provide a programmer-friendly approach to casual Flash game development.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    The aim of this project is to create a fully functional COBOL compiler that translate into Java or directly into bytecode.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    RunCC is a new kind of parsergenerator that generates parsers and lexers at runtime. Source generation is only optional. It features the absence of any cryptography. Although intended for small languages, it comes with Java and XML example parsers.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Introspect on running programme, view and alter object fields and methods. Edit the code of any method at runtime; apply the changes to any combination of objects, such as an array, or a complete class. Complete rewrite underway available Jan 2007.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    This project is an attempt to design strongly typed langauge like C# or Java using capability security model. This is an reseach project. This project is also a temporary home for async-objects projects which is prototype of classes for asynchronous inte
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    A parsing toolkit that supports both top-down (LL(1) and Simple Precedence) and bottom-up parsing (LR(0), SLR(1), LR(1) and LALR(1)). The toolkit supports generating Java parsers for all the bottom-up parsing methods, based on a CUP definition.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    SMIng parser and API in java for the SMIng proposal available at : http://www.ietf.org/html.charters/sming-charter.html
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    OS based on Agent based Security with a new type of split kernel and agents platform.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Picture Gallery viewable with HTML web browsers. All dynamics is implemented at client-side in JavaScript. This approach is useful when the server side is able to provide only static contents, or if the gallery is stored on CDROM or other media.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    STDL (Structured test description language) is a domain-specific testing language that is used to auto-generate unit test code. It supports a myriad of output languages (incl. C#). The project's aim is that of reducing the resources required for testing
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    SWRTJ
    SWRTJ (Sugared Welterweight Record-Trait Java) is a dialect of Java, where units of objects' functionality are modeled by traits and by records, which are assembled in classes that are instantiated (as usual) to build objects.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Saffron is an extension to Java to incorporate SQL-like relational expressions. It features a pre-processor, a query optimizer, and a runtime library.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    The saturn programming language, an optionally typed modern object-oriented programming language based on C, Java and smalltalk.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    A set of Eclipse plugins for the Scheme programming language. Features a powerful, fully extensible S-expression-based editor. Integrates seamlessly with any Scheme interpreter.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    SecFlow - Secure Flow Analyzation for Java and .NET
    Downloads: 0 This Week
    Last Update:
    See Project