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.

  • 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.
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  • Powering the best of the internet | Fastly Icon
    Powering the best of the internet | Fastly

    Fastly's edge cloud platform delivers faster, safer, and more scalable sites and apps to customers.

    Ensure your websites, applications and services can effortlessly handle the demands of your users with Fastly. Fastly’s portfolio is designed to be highly performant, personalized and secure while seamlessly scaling to support your growth.
    Try for free
  • 1

    MinGW - Minimalist GNU for Windows

    A native Windows port of the GNU Compiler Collection (GCC)

    MinGW: A native Windows port of the GNU Compiler Collection (GCC), with freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All of MinGW's software will execute on the 64bit Windows platforms.
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    Downloads: 3,292,108 This Week
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  • 2
    JAGS is Just Another Gibbs Sampler. It is a program for the statistical analysis of Bayesian hierarchical models by Markov Chain Monte Carlo.
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    Downloads: 1,308 This Week
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  • 3
    A home for additional useful tasks and types for Ant (http://ant.apache.org).
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    Downloads: 1,057 This Week
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  • 4
    Launch4j Executable Wrapper
    Cross-platform Java executable wrapper for creating lightweight Windows native EXEs. Provides advanced JRE search, application startup configuration and better user experience.
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    Downloads: 3,954 This Week
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  • MongoDB Atlas | Run databases anywhere Icon
    MongoDB Atlas | Run databases anywhere

    Ensure the availability of your data with coverage across AWS, Azure, and GCP on MongoDB Atlas—the multi-cloud database for every enterprise.

    MongoDB Atlas allows you to build and run modern applications across 125+ cloud regions, spanning AWS, Azure, and Google Cloud. Its multi-cloud clusters enable seamless data distribution and automated failover between cloud providers, ensuring high availability and flexibility without added complexity.
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  • 5
    Apktool

    Apktool

    A tool for reverse engineering Android apk files

    A tool for reverse engineering 3rd party, closed, binary Android apps. It can decode resources to nearly original form and rebuild them after making some modifications. It also makes working with an app easier because of the project like file structure and automation of some repetitive tasks like building apk, etc. It is NOT intended for piracy and other non-legal uses. It could be used for localizing, adding some features or support for custom platforms, analyzing applications and much more. The decode option on Apktool can be invoked either from d or decode. In order to run a rebuilt application. You must resign the application. Android documentation can help with this. As you probably know, Android apps utilize code and resources that are found on the Android OS itself. These are known as framework resources and Apktool relies on these to properly decode and build apks.
    Downloads: 131 This Week
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  • 6
    JSmooth creates standard Windows executable files (.exe) that smartly launch java applications. It makes java deployment much smoother and user-friendly, as it is able to find and run Java VMs by itself, or help the user get one if none are available.
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    Downloads: 182 This Week
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  • 7
    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: 89 This Week
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  • 8
    Bazel

    Bazel

    Fast, scalable, multi-language and extensible build system

    Build and test software of any size, quickly and reliably. Bazel only rebuilds what is necessary. With advanced local and distributed caching, optimized dependency analysis and parallel execution, you get fast and incremental builds. Build and test Java, C++, Android, iOS, Go and a wide variety of other language platforms. Bazel runs on Windows, macOS, and Linux. Bazel helps you scale your organization, codebase and Continuous Integration system. It handles codebases of any size, in multiple repositories or a huge monorepo. Easily add support for new languages and platforms with Bazel's familiar extension language. Share and re-use language rules written by the growing Bazel community. Bazel is the common build tool throughout Pinterest and has been instrumental in achieving fast, reproducible builds across our programming languages and platforms.
    Downloads: 13 This Week
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  • 9
    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: 55 This Week
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  • Picsart Enterprise Background Removal API for Stunning eCommerce Visuals Icon
    Picsart Enterprise Background Removal API for Stunning eCommerce Visuals

    Instantly remove the background from your images in just one click.

    With our Remove Background API tool, you can access the transformative capabilities of automation , which will allow you to turn any photo asset into compelling product imagery. With elevated visuals quality on your digital platforms, you can captivate your audience, and therefore achieve higher engagement and sales.
    Learn More
  • 10
    capacitor

    capacitor

    Build cross-platform native progressive web apps for iOS and Android

    Capacitor is an open source native runtime for building Web Native apps. Create cross-platform iOS, Android, and Progressive Web Apps with JavaScript, HTML, and CSS. Capacitor’s native plugin APIs make it extremely easy to access and invoke common device functionality across multiple platforms. Build web-based applications that run equally well across iOS, Android, and as Progressive Web Apps. Access the full Native SDKs on each platform, and easily deploy to the App Stores (and the web). Add custom native functionality with a simple Plugin API, or use existing Cordova plugins with our compatibility layer. Capture images, save photos, and configure hardware parameters like saturation and color balance. Save and read documents, assets, and other content your users need to access via native file systems. Gather critical information about a user’s device location, such as latitude and longitude.
    Downloads: 11 This Week
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  • 11
    Keytool is an Eclipse plugin that maintains keystores and certificates. It allows you to create certificates and put them in a keystore. You can from Eclipse, open and inspect certificates that are stored as .cer, or in a given keystore.
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    Downloads: 101 This Week
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  • 12
    DEPRECATED > GNU ARM Eclipse

    DEPRECATED > GNU ARM Eclipse

    A family of Eclipse CDT extensions and tools for GNU ARM development.

    These plug-ins provide build and debug extensions for Eclipse CDT (C/C++ Development Tools) for 32/64-bits GNU ARM toolchains like GNU Tools for Embedded, Linaro, etc, ready to run STM32Fx project templates and full integration for advanced J-Link JTAG/SWD probes, including SWO tracing console and peripheral registers view.
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    Downloads: 44 This Week
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  • 13
    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: 64 This Week
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  • 14
    One-JAR(TM)
    One-JAR(TM) is a simple solution to a vexing problem in Java: how to distribute an application as a single jar-file, when it depends on multiple other jar-files. One-JAR uses a custom classloader to discover library jar files inside the main jar.
    Downloads: 26 This Week
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  • 15
    Eclipse Plug-In for deploying a project into one "fat" executable jar file containing all referenced libraries. References are taken from the project settings, so no manual configuration is necessary.
    Downloads: 29 This Week
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  • 16
    AVR Plugin for Eclipse
    AVR-Eclipse is a plugin for the Eclipse IDE which adds toolchain support, through CDT, for the gcc compiler for the Atmel AVR series of microcontrollers, and adds a toolbar button to allow quick upload of produced code to a target device.
    Downloads: 33 This Week
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  • 17
    SDK Manager

    SDK Manager

    Manager for the Android SDK, wraps 'sdkmanager' and 'avdmanager'.

    Manager for the Android SDK, wraps 'sdkmanager', 'avdmanager' and 'emulator'. Packages: List, install, uninstall and update packages. Option to choose Channel. AVDs: Create, list and start AVDs. Many options to launch. After you check "Accept licenses" it will automatically accept them.
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    Downloads: 125 This Week
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  • 18
    Compiere ERP + CRM Business Solution
    Compiere ERP+CRM is the leading open source ERP solution for Distribution, Retail, Manufacturing and Service industries. Compiere automates accounting, supply chain, inventory and sales orders. Compiere ERP is distributed under GPL V2 by Compiere, Inc.
    Downloads: 17 This Week
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  • 19
    Source Navigator NG is a source code analysis tool. With it, you can edit your source code, display relationships between classes and functions and members, and display call trees. You can navigate your source code and easily get to declarations or implementations of functions, variables and macros (commonly called "symbols") which helps you discovering and mapping unknown source code for enhancement or maintenance tasks.
    Downloads: 15 This Week
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  • 20
    Dropwizard

    Dropwizard

    Simple library for building production-ready RESTful web services

    Dropwizard is a Java framework for developing ops-friendly, high-performance, RESTful web services. Dropwizard pulls together stable, mature libraries from the Java ecosystem into a simple, light-weight package that lets you focus on getting things done. Dropwizard has out-of-the-box support for sophisticated configuration, application metrics, logging, operational tools, and much more, allowing you and your team to ship a production-quality web service in the shortest time possible. Dropwizard straddles the line between being a library and a framework. Its goal is to provide performant, reliable implementations of everything a production-ready web application needs. Because this functionality is extracted into a reusable library, your application remains lean and focused, reducing both time-to-market and maintenance burdens.
    Downloads: 2 This Week
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  • 21
    DEP4E

    DEP4E

    DocBook Editing and Processing for Eclipse

    DEP4E integrates DocBook XML and DocBook XSL into Eclipse IDE to create, edit and process DocBook projects.
    Downloads: 25 This Week
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  • 22
    JAXBBuilder is an eclipse plugin for generating Java classes directly from XML schema, XML or JSON files. The plugin detects document changes and re-generates Java code via Castor or XJC. It includes a JAXB project wizard, and configuration pages
    Downloads: 10 This Week
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  • 23
    REM is a NetBeans module for ZK application development. It can be used to create ZK web Applications, ZUL and ZScripi documents. It supports ZUL syntax highlighting, auto indent, code folding, code hyperlink navigation and code completion. It supports palette for some components.
    Downloads: 6 This Week
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  • 24
    Convertigo

    Convertigo

    Low Code Platform for Enterprises

    Convertigo is an open source Low Code Application Platform (LCAP) featuring MXDP (Multi eXperience Development Platform) for full-stack mobile and web application development - Large variety of connectors to enterprise apps - Low Code microservice builder to orchestrate and combine data and processes from multiple enterprise apps. - Offline data and complete data synchronization for disconnected scenarios. - Cross-platform WebApp and Native app mobile application development tools for iOS, Android platforms - Security managers and Identity managers - Mobile application updates and administration - Monitoring and administration tools. Convertigo also features an RPA integration tool for legacy mainframe applications and Web html applications. Convertigo Community Edition is AGPL based.
    Downloads: 5 This Week
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  • 25
    GraphQL SPQR

    GraphQL SPQR

    Build a GraphQL service in seconds

    GraphQL SPQR (GraphQL Schema Publisher & Query Resolver, pronounced like speaker) is a simple-to-use library for rapid development of GraphQL APIs in Java. GraphQL SPQR aims to make it dead simple to add a GraphQL API to any Java project. It works by dynamically generating a GraphQL schema from Java code. When developing GraphQL-enabled applications it is common to define the schema first and hook up the business logic later. This is known as the schema-first style. While it has its advantages, in strongly and statically typed languages, like Java, it leads to a lot of duplication. Both of these blocks contain the exact same information. Worse yet, changing one requires an immediate change to the other. This makes refactoring risky and cumbersome, and the compiler can not help. On the other hand, if you’re trying to introduce a GraphQL API into an existing project, writing the schema practically means re-describing the entire existing model.
    Downloads: 1 This Week
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