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.

  • Cut Cloud Costs with Google Compute Engine Icon
    Cut Cloud Costs with Google Compute Engine

    Save up to 91% with Spot VMs and get automatic sustained-use discounts. One free VM per month, plus $300 in credits.

    Save on compute costs with Compute Engine. Reduce your batch jobs and workload bill 60-91% with Spot VMs. Compute Engine's committed use offers customers up to 70% savings through sustained use discounts. Plus, you get one free e2-micro VM monthly and $300 credit to start.
    Try Compute Engine
  • Cut Data Warehouse Costs up to 54% with BigQuery Icon
    Cut Data Warehouse Costs up to 54% with BigQuery

    Migrate from Snowflake, Databricks, or Redshift with free migration tools. Exabyte scale without the Exabyte price.

    BigQuery delivers up to 54% lower TCO than cloud alternatives. Migrate from legacy or competing warehouses using free BigQuery Migration Service with automated SQL translation. Get serverless scale with no infrastructure to manage, compressed storage, and flexible pricing—pay per query or commit for deeper discounts. New customers get $300 in free credit.
    Try BigQuery Free
  • 1
    AdaptiveCells J2EE generates test-beds for benchmarking J2EE performance. They consists of highly customizable EJB cells that can emulate CPU load, memory usage, memory leaks and exceptions. The behaviour of the cells is coordinated from a web front-end.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2

    Adichatz - Eclipse 4 RCP Framework

    Develop quickly & easily Eclipse 4 RCP Application in JEE/JSE context

    In a few minutes, Adichatz plugins allow you to develop an Eclipse 4 RCP application using JPA in a JEE or JSE context. Editors enable to edit beans and their dependencies including databinding, validation, transaction... Components are easily extensible.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    ADF is an open source framework for developing software agents, using J2EE and JBoss.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4

    AgilPro

    AgilPro is an Eclipse based business process modeling suite

    AgilPro is an Eclipse based business process modeling suite providing a Business Process Modeler [LiMo - Light Modeler], a desktop application to preview and run processes [Simulator] and Application Adapters to plug in standard apps: Firefox, OpenOffice
    Downloads: 0 This Week
    Last Update:
    See Project
  • 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.
    Try Vertex AI Free
  • 5
    Agile grid is a complete new implementation of custom table for Java SWT applications, which uses the structure and some code fragments from the JFace table viewer. The features of this table implementation include: - A content provider provides the data
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    The framework for agile development of user interfaces with Eclipse RCP. Agile RCP is a Presenter First framework for RCP making use of OSGi services and dependency injection delivered by Spring Dynamic Modules leading to fully unit-testable UIs.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Aigebi Rbac a token driven role-based access control engine. It's pure java product. The core rbac engine is deployed as jar. It provides both java API and custom jsp tags. Admin portal is provided to manage rbac data and showcase how to use rbac engine
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    AjaxRPG is a Joomla component for the development of web-based RPG. Il includes a Java client to be more immersive. AjaxRPG is now Joomla 1.5 native.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    SweetDEV RIA is a complete set of Java/J2EE world-class Ajax tags. It helps you to design Rich GUI in a thin client.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 99.99% Uptime for MySQL and PostgreSQL on Google Cloud Icon
    99.99% Uptime for MySQL and PostgreSQL on Google Cloud

    Enterprise Plus edition delivers sub-second maintenance downtime and 2x read/write performance. Built for critical apps.

    Cloud SQL Enterprise Plus gives you a 99.99% availability SLA with near-zero downtime maintenance—typically under 10 seconds. Get 2x better read/write performance, intelligent data caching, and 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server with built-in vector search for gen AI apps. New customers get $300 in free credit.
    Try Cloud SQL Free
  • 10
    AJAX components for Java Server Faces. Designed with minimal incompabilites with standard JSF specifications, since can be used with any implementations and most of existing components.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    AjaxTop provides a way to process XML on the Client. It provides a framework for mapping each XML element to a JavaScript object. It provides a way to extend HTML and interact with the server through AJAX.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Web, Wap & iMode Java J2SE/J2EE Lightweight Framework and Tools
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Aladdin is a dynamically extensible context acquisition and modeling framework designed for resource constrained mobile devices. Aladdin was created by Darren Carlson (http://dcarlson.info) and is currently being extended to support OSGi and Android.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Alida

    Alida

    An annotation based Java Validation Framework for Java Classes

    - Alida is a lightweight API for validating Java objects. -“Alida” comes from pruning the word “vALIDAtion”. It also means a “Winged creature”. It can give programmers “wings” by delegating the validation to another API. - Alida uses only annotations for ‘marking up’ the objects which need to be validated. - It is packaged as a jar file (alida.jar) which can be dropped in the classpath and used. It can also be configured with eclipse’s annotation processing to give complier errors and warnings at the time of usage. - It works on Java 1.6 and above
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Grid computing system.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Almond Framework
    Almond Java Application Framework is an easy to use Swing based framework for Java applications. Almond is very much inspired by the K Desktop Environment.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    This Amazon Mechanical Turk (MTurk) SDK is no longer under active development as of 12/31/2017. The latest MTurk SDKs, with support for most common programming languages, are now a part of the Amazon Web Service (AWS) SDKs at https://aws.amazon.com/tools/. With the AWS SDKs, you can also connect to MTurk using the AWS Command Line Interface (https://aws.amazon.com/cli/), allowing you to perform operations from your Windows, Mac, or Linux command line without having to write code.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Example application to demonstrate the use and the abilities of the Spring RCP framework in conjunction with the Amazon ECS WebServices. The application acts as a frontend to the Amazon Services.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Ambient Composite Engine, a web-based framework for writing composite software, submitted by WebactiveLabs.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Amethyst is a framework intended to help in creation of applications with the MVC or a similar pattern. The project consists of low- and high-level API. Low-level API is responsible for exchanging properties (as Map) between various components. A component can be for example model, view or controller as in the MVC pattern. The main class is a class named Communicator. Communicator class defines the structure of components' system, provides communication channel between them and life-cycle management for each one. It also provides ability to run components in different threads (multitasking). IT CAN SUCCESSFULLY SPLIT MODEL'S THREAD FROM GUI THREAD
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    This project manages program (usually web) flow and web page /web component generation. Currently this project is only integrated with Tapestry 4. However, the code is separated out and implementing different web UI frameworks should be possible.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    The Amplify MDA project is aimed at delivering a 'model-to-text' generator tool with real-world applicability in less than 1000 lines of Java/Groovy code.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    A complete library of high-speed java collection classes to complement existing classes with new and advanced algorithms. Complements standard J2SE classes and Jakarta commons classes
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    The Pando project intends to deliver an OSGi-based implementation of the FIPA agent platform. The motivation behind Pando is the need for an open platform supporting the integration and interoperation of disparate software systems.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    This is to help developer to render complex bangla or bengali font for android.
    Downloads: 0 This Week
    Last Update:
    See Project
MongoDB Logo MongoDB
Gen AI apps are built with MongoDB Atlas
Atlas offers built-in vector search and global availability across 125+ regions. Start building AI apps faster, all in one place.
Try Free →