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.

  • Auth0 for AI Agents now in GA Icon
    Auth0 for AI Agents now in GA

    Ready to implement AI with confidence (without sacrificing security)?

    Connect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.
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  • Stay in Flow. Let Zenflow Handle the Heavy Lifting. Icon
    Stay in Flow. Let Zenflow Handle the Heavy Lifting.

    Your AI engineering control center. Zenflow turns specs into shipped features using parallel agents and multi-repo intelligence.

    Zenflow is your engineering control center, turning specs into shipped features. Parallel agents handle coding, testing, and refactoring with real repo context. Multi-agent workflows remove bottlenecks and automate routine work so developers stay focused and in flow.
    Try free now
  • 1
    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
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  • 2
    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
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  • 3
    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
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  • 4
    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
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  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
    Learn More
  • 5
    RelaxNGCC is a tool for generating Java source code from a given RELAX NG grammar. By embedding code fragments in the grammar like yacc or JavaCC, you can take appropriate actions while parsing valid XML documents against the grammar.
    Downloads: 0 This Week
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  • 6
    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
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  • 7
    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
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  • 8
    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
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  • 9
    RockScript is the world's smallest Java-based JavaScript interpreter, runs smoothly in any J2ME phones. The binary size of core engine including native objects/methods is less than 25K (obfuscated & JAR'ed). It can be integrated into any J2ME apps.
    Downloads: 0 This Week
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  • AestheticsPro Medical Spa Software Icon
    AestheticsPro Medical Spa Software

    Our new software release will dramatically improve your medspa business performance while enhancing the customer experience

    AestheticsPro is the most complete Aesthetics Software on the market today. HIPAA Cloud Compliant with electronic charting, integrated POS, targeted marketing and results driven reporting; AestheticsPro delivers the tools you need to manage your medical spa business. It is our mission To Provide an All-in-One Cutting Edge Software to the Aesthetics Industry.
    Learn More
  • 10
    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
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  • 11
    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
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  • 12
    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
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  • 13
    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
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  • 14
    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
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  • 15
    OS based on Agent based Security with a new type of split kernel and agents platform.
    Downloads: 0 This Week
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  • 16
    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
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  • 17
    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
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  • 18
    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
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  • 19
    The saturn programming language, an optionally typed modern object-oriented programming language based on C, Java and smalltalk.
    Downloads: 0 This Week
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  • 20
    SecFlow - Secure Flow Analyzation for Java and .NET
    Downloads: 0 This Week
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  • 21
    Small and easy Java-Compiler written in Java with Antlr.
    Downloads: 0 This Week
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  • 22
    Maven plugin for continuous integration of Adobe Flex applications.
    Downloads: 0 This Week
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  • 23
    Shark is an open-source preprocessor for Java that lets you do more with less. Shark makes Java sharper by adding Apache Velocity-style foreach loops and property getters, C#-style property setters, and more. Shark includes a commandline tool as we
    Downloads: 0 This Week
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  • 24
    With ShortcutJava you can write Java code with shortcuts such as multiple-exception catches and aliases. You can also create new shortcut plugins. It has an Ant task for compiling with Ant. The shortcuts will work with ANY version of Java!
    Downloads: 0 This Week
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  • 25
    Simple Object Oriented Language and Compiler (SOOL): using for students taking Compiler Design course
    Downloads: 0 This Week
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