Browse free open source Java Frameworks and projects below. Use the toggles on the left to filter open source Java Frameworks by OS, license, language, programming language, and project status.

  • Managed MySQL, PostgreSQL, and SQL Databases on Google Cloud Icon
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  • 1
    Cameleus is a Java project that will provide Inversion of Control container working on any Java Servlet container.
    Downloads: 0 This Week
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  • 2
    Photoshop like digital imaging plug-in for the Eclipse Rich Client Platform. Designed to provide a flexible framework which enables 3rd party developers to extend the application through the use of plug-in technology.
    Downloads: 0 This Week
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  • 3
    A powerful 100% JAVA flat file processing ORM framework. Giving the ability to abstract the processing of flat files from business logic, using Hibernate style mapping constructs. Supports fixed length and delimited (e.g CSV) file formats.
    Downloads: 0 This Week
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  • 4
    Capsule Framework is an actor based framework for event driven programming. The Capsule Framework simplifies the design and implementation of distributed and threaded applications and servers.
    Downloads: 0 This Week
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  • Deploy Apps in Seconds with Cloud Run Icon
    Deploy Apps in Seconds with Cloud Run

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    Cloud Run is the fastest way to deploy containerized apps. Push your code in Go, Python, Node.js, Java, or any language and Cloud Run builds and deploys it automatically. Get fast autoscaling, pay only when your code runs, and skip the infrastructure headaches. Two million requests free per month. And new customers get $300 in free credit.
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  • 5
    Carby Application Platform is a multipurpose framework designed for both developers and endusers.
    Downloads: 0 This Week
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  • 6
    CardShark is a software package that includes a utility for creating and organizing playing cards and an interactive environment for playing games with those cards via the internet.
    Downloads: 0 This Week
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  • 7
    A Swing-based High Level MVC Framework with more component for standard MVC and many others (validation, only number/currency edit, required/not required fields etc)
    Downloads: 0 This Week
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  • 8
    Carina Framework

    Carina Framework

    Java-based test automation framework (Maven + TestNG)

    Carina is a Java-based test automation framework that unites all testing layers: Mobile applications (web, native, hybrid), WEB applications, REST Services, Databases. The Carina framework is built on top of the most popular open-source solutions like Selenium, Appium, TestNG allowing to reduce dependence on the specific technology stack. Carina is fully integrated into Zebrunner (https://zebrunner.com/) which is now responsible for all the development and release cycles, as well as customer support. The Carina framework repository: https://github.com/zebrunner/carina
    Downloads: 0 This Week
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  • 9

    Carina-Cucumber

    Carina automation BDD framework (TestNG + Cucumber)

    The repository: https://github.com/zebrunner/carina-cucumber Carina-Cucumber is an independent Carina module that supports Behaviour-Driven Development (BDD) (TestNG + Cucumber). Documentation and free support Cucumber usage example: https://github.com/zebrunner/carina-demo/tree/master/src/test/resources/features User guide: http://zebrunner.github.io/carina Demo project: https://github.com/zebrunner/carina-demo Code formatter We offer to use our configured Java code formatter for Eclipse. To use the same formatter in IntelliJ IDEA, you should install and configure Eclipse Code Formatter. Carina code formatter: https://github.com/qaprosoft/carina/blob/master/carina_formatter.xml Eclipse Code Formatter: https://plugins.jetbrains.com/plugin/6546-eclipse-code-formatter
    Downloads: 0 This Week
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  • Ship AI Apps Faster with Vertex AI Icon
    Ship AI Apps Faster with Vertex AI

    Go from idea to deployed AI app without managing infrastructure. Vertex AI offers one platform for the entire AI development lifecycle.

    Ship AI apps and features faster with Vertex AI—your end-to-end AI platform. Access Gemini 3 and 200+ foundation models, fine-tune for your needs, and deploy with enterprise-grade MLOps. Build chatbots, agents, or custom models. New customers get $300 in free credit.
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  • 10
    The Carrera Framework is a new JEE web framework, taking from some of the ideas of JSF, Tapestry (4 and 5), etc and merging them into a new flavor of a framework.
    Downloads: 0 This Week
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  • 11
    Casper Datasets is a robust in-memory data manipulation framework, which allows programmatic search / sort / indexing on relational data rows. Casper Datasets virtually eliminates the need for relational databases for basic data manipulation and provides
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  • 12
    The castafiore J2EE Platform consists of an advanced Web Framework built upon JQuery and a persistence framework built upon hibernate. All together glued with spring 3. We also provide some exciting web tools like a DMS and a Portal designer
    Downloads: 0 This Week
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  • 13
    Catnap is a lightweight Java persistence layer which stores and retrieves objects from an Oracle database using PL/SQL packages.
    Downloads: 0 This Week
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  • 14
    Java annotations for the Cayenne Object Relational Mapping framework. Currently only for validations such as Max, Length, Email. Based on OVal
    Downloads: 0 This Week
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  • 15
    Celerity, an open-source, Java based data-flow architecture that provides high performance with fine data granuality. Celerity offers a module based programming environment, which can parrellelize across processors, machines and architectures.
    Downloads: 0 This Week
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  • 16
    Provides a voice interface for applications via a plug in system. Allows the inclusion of voice recognition in an application with a minimum of effort.
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  • 17
    Centric is a server-side oriented framework for building rich internet applications. It allows developers to write their Web applications in Java following a simple desktop programming model, while the client-side can be Flex, GWT, Java FX, Silverlight.
    Downloads: 0 This Week
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  • 18
    Java framework for chained options (listboxes, dropdowns etc). Provides functionality so that when the value is changed in one listbox, other listboxes change accordingly. Handles special items like 'Any Value' or 'None Selected'. See 'Screenshots'
    Downloads: 0 This Week
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  • 19
    Framework to develop J2EE applications rapidly and easily.Allows to define applications just with DB-Schema Creation. Generate applications. caf-dbmanager,built on jdbc to provide ease of use database access use SQL-Parser outside in the form of XML.
    Downloads: 0 This Week
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  • 20
    CHAMELEON is a declarative framework for tailoring adaptable Java applications for resource-constrained devices and can be used for tackling a form of adaptation to the execution context.
    Downloads: 0 This Week
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  • 21
    Interact with a computer by chatting to it! ChatApps is a graphical Eclipse-based framework to design and execute interactive workflows. Applications can be located in a fashion similar to locating a document with the Google Desktop toolbar.
    Downloads: 0 This Week
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  • 22
    Cherokee is a fully extensible and scriptable automation engine for any and all java applets. To make it work for your favorite java applet the most you have to do is write is two classes.
    Downloads: 0 This Week
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  • 23
    Cherry

    Cherry

    cherry

    The Cherry Framework is an open source application framework and reflect container for the Java platform. The Cherry Framework includes several modules that provide range of services: -Model-view-controller framework -Web framework -User interface components -Reflect container -Remote access framework
    Downloads: 0 This Week
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  • 24
    Provides a rich set of libraries for Swing, XML to object mapping and IoC. Other common utilities included.
    Downloads: 0 This Week
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  • 25
    One date is not the other. Handling a birthdate in your domain model is easy, but when you start to work with multiple intervals there is no end to trouble. Chronos4j wil help handle timelines and temporal data
    Downloads: 0 This Week
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