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.
    Get Started Free
  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New to Google Cloud? Get $300 in credits to explore Compute Engine, BigQuery, Cloud Run, Gemini Enterprise Agent Platform, and more.

    Start your next project with $300 in free Google Cloud credit. Spin up VMs, run containers, query petabytes in BigQuery, or build agents with Gemini Enterprise Agent Platform. Once your credits are used, keep building with 20+ always-free tier products including Compute Engine, Cloud Storage, GKE, and Cloud Run functions. No commitment required—just sign up and start building.
    Claim $300 Free
  • 1
    Small and easy Java-Compiler written in Java with Antlr.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    Maven plugin for continuous integration of Adobe Flex applications.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    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
    Last Update:
    See Project
  • 4
    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
    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
  • 5
    Simple Object Oriented Language and Compiler (SOOL): using for students taking Compiler Design course
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    A simple to use, easy to be extended lexer.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    SmartPas est un IDE/Compilateur libre d'un langage proche d'un sous ensemble du langage Pascal. Il n'est pas un outil de production pour les développeurs mais c'est un compilateur de test et de suivi... Site officiel : http://smartpas.net.ms/
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Smith is an open source, cross-platform ColdFusion® engine, written entirely in Java. Running on top of Java Runtime Environment and Java Servlet Container, it can be deployed virtually on any operating system and work with any web server.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    A Free, Open-Source IDE written and made for Java.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 10
    Small object oriented language compiler.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Squarefish is a new endeavour to provide alternatives to boring programming languages and applications with the added bonus of very nice GUIs in most products thanks to the java look and feel!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    The SrcML Framework allows converting Sourcecode to a XML representation on which tools can then be used to deduce statical data for analyzing and visualizing the initial source. It also provides easy ways to write programs which modify other programs.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Our goal was to develop a very simple programming language for expressing state machines. You can express the logic of a fairly complex, real life state machine in a single page of text that is easy to understand. Creates Java (C++ may be next).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    State is a programming language for automation control software. Hierarchical, type parametrized systems, controlled by Moore statemachines, are connected with arbitrary precision signals. Code generators for M68HC11 and Java are available.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Swf Reader

    Swf Reader

    Adobe Flash SWF file reader, editor

    Adobe Flash SWF editor which can read and edit bytecode.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Toolset for the TMPL (Template Matching Processor Language). Compiler and runtime for creating/ evaluating templates on XML data streams. Can be integrated easily in Java projects.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Tako is a direct programming language with Java-like syntax. Direct languages avoid routine aliasing and allow programmers to view all variables directly as independent objects, simplifying both formal and informal reasoning.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    The TechTrader Bytecode Toolkit is a high-level set of APIs for manipulating java bytecode. It is primarily targeted at making runtime and/or compile-time enhancements to existing java classes, or creating new java classes on the fly.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Tedir is a general purpose top-down parser library for java. Unlike a parser generator, it allows efficient parsers to be constructed at run-time, rather than at compile-time, and allows parsers to be extended while running.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    A general-purpose text-file template engine, designed to be used as an API from Java applications or servlets. Small and simple, yet powerful. No external library dependencies.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Rule-action based term rewriting framework, designed be embedded in Java applications.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    The Beanshell Preprocessor; the fully caffeinated preprocessor.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    The CCC Language is yet another programming language. It is platform-independent, compact, and robust. Supports many SQL engines, has own ISAM DB engine, has terminal mode and more UI-s, is object-oriented, but it is compiled and not interpreted.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    The Clump language proposes a natural evolution of the basic Object-Oriented paradigm revisiting the duality existing between the data and the knowledge. This implies a design based on Class-Oriented and Pattern-Oriented approaches in a same language
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    DKU is an embedded parallel language, or "piggy-back" language that uses function calls to invoke the language's execution model. It tunes task-size to the hardware while hiding hardware details for high performance portability of parallel code.
    Downloads: 0 This Week
    Last Update:
    See Project
Auth0 Logo