Browse free open source Java Build Tools and projects below. Use the toggles on the left to filter open source Java Build Tools 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.
    Start Free
  • Veeam Data Platform v13.1 Icon
    Veeam Data Platform v13.1

    Move workloads across hypervisors and clouds with no vendor lock-in. Try VDP free today.

    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 Now
  • 1
    ProGuard Java Optimizer and Obfuscator

    ProGuard Java Optimizer and Obfuscator

    Java class file shrinker, optimizer, obfuscator, and preverifier

    ProGuard has moved to Github now: https://github.com/Guardsquare/proguard ProGuard is a free Java class file shrinker, optimizer, obfuscator, and preverifier. It detects and removes unused classes, fields, methods, and attributes. It optimizes bytecode and removes unused instructions. It renames the remaining classes, fields, and methods using short meaningless names. ProGuard is useful for making code more compact and more efficient, on the desktop, on tablets, on smartphones, and on embedded devices. It also makes code more difficult to reverse engineer.
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    Downloads: 73 This Week
    Last Update:
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  • 2
    SMC - The State Machine Compiler

    SMC - The State Machine Compiler

    Translates state machine into a target programming language.

    SMC takes a state machine stored in a .sm file and generates a State pattern in 14 programming languages. Includes: default transitions, transition args, transition guards, push/pop transitions and Entry/Exit actions. See User Manual for more info.
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    Downloads: 71 This Week
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  • 3
    Command-line/Ant-task/embeddable text file preprocessor. Macros, flow control, expressions. Recursive directory processing. Extensible in Java to display data from any data sources (as database). Can generate complete homepages (tree of HTML-s, images, etc.)
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    Downloads: 127 This Week
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  • 4
    Community Z Tools

    Community Z Tools

    Tool support for the Z formal notation

    Community Z Tools Project (CZT): Tools for editing, typechecking and animating Z specifications and related notations. Includes a Java framework for building formal methods tools. NOTE: development of CZT has now moved to GitHub: https://github.com/community-z-users/czt
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    Downloads: 40 This Week
    Last Update:
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  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
    Start Free
  • 5

    APKRepatcher

    APKRepatcher helps you to modify an existing apk with simple GUI

    APKRepatcher helps you to modify an existing apk using a simple user friendly GUI. It lets you edit java/smali code from an APK and rewrite the changes back to the modified signed APK. Additionally, it provides you option to convert Dex, Jar, Class, Smali, Class from one format to another. APKRepatcher makes use of dex2jar, jadx, rsyantaxtextarea, zip4j, apktool
    Downloads: 18 This Week
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  • 6
    Next Generation Programming

    Next Generation Programming

    Compose Software Without Writing Any Programing Code

    "Next Generation Programming - Programming Without Coding Software" is a drag-drop wizard for creating simple or complex applications without writing any programming language code The Software is coded/designed with "Java Programming Language" for novice/expert programmers; Programmers can write softwares with visual tools : drag-drop components;visual editors... Programmers can use the software to compose of simple/complex applications : Database programs, circuit design, generate code and upload to chip for designed circuits (ESP8266, ESP32 chips) The Software in question is much simpler to use than PWCT (https://sourceforge.net/projects/doublesvsoop/) software. The Software has more features than PWCT software such as SCADA. Please start by looking at examples from the website first. In this way, you can learn the features of the software and how to use the software in a very short time. More Information (Documents, Videos, Examples ...) : negep.epizy.com
    Downloads: 34 This Week
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  • 7
    JFlex

    JFlex

    The fast lexer generator for Java

    JFlex is a flex-like lexer generator for Java with emphasis on speed and full Unicode support. It has some not so usual features like negation in regexps and nested input streams. Also reads JLex specifications unchanged.
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    Downloads: 20 This Week
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  • 8
    EclipseNSIS is a plugin for the Eclipse platform which enables editing, compiling and testing Nullsoft Installer (NSIS) scripts. The InstallOptions Editor plugin is for editing of InstallOptions files. (Requires Eclipse GEF http://www.eclipse.org/gef)
    Downloads: 6 This Week
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  • 9
    Druid is a GUI tool for database build and management. Users can add/change/delete DB objects (tables, fields, etc). Druid generates for you: SQL scripts, docs in XHTML, PDF, DocBook, etc; code in C, C++ & Java Beans even for JDO and support Castor & OJB
    Downloads: 3 This Week
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  • Cut Data Warehouse Costs by 54% Icon
    Cut Data Warehouse Costs by 54%

    Easily migrate from Snowflake, Redshift, or Databricks with free tools.

    BigQuery delivers 54% lower TCO with exabyte scale and flexible pricing. Free migration tools handle the SQL translation automatically.
    Start Free
  • 10
    A framework for developing software development tools.
    Downloads: 6 This Week
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  • 11
    Define your database structure and relations once using the ZsqlML (Zenark's SQL Markup Language) XML DTD, and then generate mulitple vendor-specific SQL scripts, thereby solving the issue of SQL script variances across multiple platforms.
    Downloads: 3 This Week
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  • 12
    EasyStruts provide advanced support for developing Struts web applications with Eclipse . keywords: MVC, Struts, Eclipse, Java
    Downloads: 1 This Week
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  • 13
    JEnum is a Java runtime jar for working with enumerated types, as described in Josh Bloch's Effective Java, and a one-way code generator to create the needed classes from xml. The API is patterned after the Java Collections API.
    Downloads: 2 This Week
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  • 14
    Java AS400 RPG source code editor, debugger, IDE.
    Downloads: 2 This Week
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  • 15
    JinnIde is a plugin that allows using Jinni Prolog, now also hosted here on this site (with open source license!), within the confines of an IDE integrated in JEdit.
    Downloads: 2 This Week
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  • 16
    The purpose of this project is to provide an Ant-based cpp-like preprocessing capability using the Velocity Template Engine.
    Downloads: 2 This Week
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  • 17
    Alchim is a set of tools to help create and build project (mainly java and scala project).
    Downloads: 1 This Week
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  • 18
    Provides an ANTLR plugin (including grammar file editor with outline page and project nature with incremental builder) for the Eclipse platform
    Downloads: 1 This Week
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  • 19
    A suite of Java ClassLoaders that use "load-time reflection" (the modification of bytecodes upon class loading) to extend existing Java classes. It uses the excellent BCEL library (http://bcel.sf.net).
    Downloads: 1 This Week
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  • 20
    ContractChecker is a small tool to provide support for some design by contract features to standard Java code. Internally, it is composed of an Ant task, which invokes a doclet to generate AspectJ and the AjcTask itself in order to compile it.
    Downloads: 1 This Week
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  • 21
    A framework for highly customisable e-commerce: A system for automatically build an e-commerce interface supporting product´s contraints and properties.
    Downloads: 1 This Week
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  • 22
    The DocSOAP XML Development Kit (XDK) is a Java Web Services SOAP, and XML Development Kit that provides effective and efficient ways of manipulating XML documents and building Web services solutions for "document style SOAP".
    Downloads: 1 This Week
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  • 23
    The JTools project contains small java functionalities which will make the live of a developer easier. For each functionality there will be a source release and a jar release.
    Downloads: 1 This Week
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  • 24
    This is a modeling tool generating code from activity diagrams. The main goal is to achieve a good code generation. I would like to have different possibilities like HTML mapping from diagrams and Java code generation (maybe others) chosen by the user.
    Downloads: 1 This Week
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  • 25
    Strongly-Typed Javascript is a translator from Java its very similar Javascript counterpart. Unlike GWT, STJS doesn’t impose you any library on the client side and any special tool during development apart from a Maven plugin.
    Downloads: 1 This Week
    Last Update:
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