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.

  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
    Try it Free
  • Stop Storing Third-Party Tokens in Your Database Icon
    Stop Storing Third-Party Tokens in Your Database

    Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.

    Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
    Try Auth0 for Free
  • 1
    ClassReach is a utility to identify unused Java classes and methods. Once identified, such things can be removed from the code, hopefully simplifying the system.
    Downloads: 0 This Week
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  • 2
    Provides a means to determine Java class loading dependences
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  • 3
    Classpath Explorer is an Ant Task that allows you to find dublicate resources within the libraries you are using. It also provides a set of APIs to find archives, and archive locations for the classes you are using. Check Home Page section for info.
    Downloads: 0 This Week
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  • 4
    Clirr is a tool that checks Java libraries for binary and source compatibility with older releases. The Clirr Ant task can break the build if it detects incompatible api changes, making it easy to prevent accidental introduction of compatibiliy issues.
    Downloads: 0 This Week
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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 5
    Clownfish is a maven2 plugin glassfish deployer.
    Downloads: 0 This Week
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  • 6
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  • 7
    Eclipse and Flex Builder Plugin for Code Generation.
    Downloads: 0 This Week
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  • 8
    CodeChic is a Web application which is able to store and restore the quality metrics produced by maven and the Platform of Continuous Integration.
    Downloads: 0 This Week
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  • 9
    Coefficient is a project-based collaboration platform deployable as either a J2EE or a Web application. It provides collaboration tools as hot deployable modules. It also provides a workflow engine to help guide projects through their development cycle.
    Downloads: 0 This Week
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  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build, govern, and optimize agents and models with Gemini Enterprise Agent Platform.
    Start Free
  • 10
    Coffeetronix is the fast and simple Java UML workbench. It parses your java sources and creates an instant UML classdiagram.
    Downloads: 0 This Week
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  • 11
    Command Line Assistant is a Graphical User Interface GUI aimed at helping the usage of the Command Line Interface CLI. It is a Java application which builds commands to be used at the CLI prompt.
    Downloads: 0 This Week
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  • 12
    CommandHandler - working with coplicated command is very easy. Use CommandDesigner to draw syntax graph and CommandBuilder to write it very quickly using mouse and enter key.
    Downloads: 0 This Week
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  • 13
    This project is used to compare two archive files & generate a report as an html file. The report contains the missing files, the different and the identical files. Admin section is used to specify the report folder and restricted files while comparing.
    Downloads: 0 This Week
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  • 14
    Components 4 Java
    Components 4 Java is a development tool for Java. It provides a framework to organize different parts of code in loosely coupled components. Those will be sticked together graphically to larger compositions and distributed among Java Archives.
    Downloads: 0 This Week
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  • 15
    Editor for configuration files *.xml and *.properties with special support of maven hierarchy of pom.xml files
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  • 16
    Configutron is a generic XML based application configuration module. It provides the application developer to define and load XML based app configurations without having to write a single line of Java code to parse and read the configuration file.
    Downloads: 0 This Week
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  • 17
    Continuous Integration Demo - 4

    Continuous Integration Demo - 4

    An example project to demonstrate continuous integration, in HTML5..

    Demonstration of a web based GUI using HTML, CSS, and Javascript. This project builds on the Continuous Integration Demo - Java - 2 and / or Continuous Integration Demo - Java - 3 projects.
    Downloads: 0 This Week
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  • 18
    Continuous Integration Demo - Java

    Continuous Integration Demo - Java

    An example project to demonstrate continuous integration, in Java.

    A simple example project demonstrating automated build and testing. This project is in Java, uses Ant for the build script, and makes use of JUnit for unit testing.
    Downloads: 0 This Week
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  • 19
    Continuous Integration Demo - Java - 2

    Continuous Integration Demo - Java - 2

    An example project to demonstrate continuous integration, in Java.

    Demonstrations of web services. This project builds on Continuous Integration Demo - Java.
    Downloads: 0 This Week
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  • 20
    Continuous Integration Demo - Java - 3

    Continuous Integration Demo - Java - 3

    An example project to demonstrate continuous integration, in Java.

    Demonstrations of SOAP web services. This project builds on Continuous Integration Demo - Java.
    Downloads: 0 This Week
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  • 21
    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: 0 This Week
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  • 22
    Continuous Integration Engine which allows concurrent building of dependent projects via ant scripts.
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  • 23
    Corona Parallel-Distribute Development Toolkit allows to develop a parallel-distribute Java application in a network of workstations. The toolkit is based on the Linda model. It uses the "tspaces" software, an IBM implementation of Tuple Spaces.
    Downloads: 0 This Week
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  • 24
    A simple Eclipse plugin to check C/C++ Files for correct syntax. It is intended as an addition - not replacement - for the CDT project. It offers improved marking of errors and warnings. Update-Site is: http://www.jaylib.org/eclipse/plugins/CppChecke
    Downloads: 0 This Week
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  • 25
    Crackleback is a Java servlet framework for back-office business systems. Its goal is to address 90% of a system's function points, to cut development costs by 90%, and to permit the business analyst--not the programmer--to build 90% of the system.
    Downloads: 0 This Week
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