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.

  • 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.
    Try free now
  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    Build gen AI apps with an all-in-one modern database: MongoDB Atlas

    MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
    Start Free
  • 1
    FitFramework以Struts、Spring、Hibernate为核心,目的是设计开发出一套相对比较实用的集成开发框架,为项目开发提供一个基础运行和开发平台,包括以下几个核心部分: 1、基于Acegi的基本完善的权é
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    FIX protocol Java engine, based on Apache MINA transport.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    FixSuite is a collection of tools and applications for the Financial Information eXchange (FIX) Protocol.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Modular application development for people who prefer Java SE 5 to XML configuration.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

    Free diagnostic script reveals configuration issues, error patterns, and security risks. Instant HTML report.

    Windows Task Scheduler might be hiding critical failures. Download the free JAMS diagnostic tool to uncover problems before they impact production—get a color-coded risk report with clear remediation steps in minutes.
    Download Free Tool
  • 5
    Floggy is 100% object-oriented open source persistence framework for Java ME / MIDP applications.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    The Flow Framework is an OSGi Service Platform extension leveraging service deployment, providing transitive service dependency management at runtime.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    FluentLenium

    FluentLenium

    FluentLenium is a web & mobile automation framework

    FluentLenium is a React-ready website automation framework that extends Selenium to write readable, reusable, reliable and resilient UI functional tests. It’s written and maintained by people who are automating browser-based tests on a daily basis. FluentLenium provides a Java-fluent interface to Selenium, and brings some magic to avoid common issues faced by Selenium users. FluentLenium is shipped with adapters for JUnit4, JUnit5, TestNG, Spock, Spring TestNG, Cucumber and Kotest, but it can also be used standalone. FluentLenium best integrates with AssertJ, but you can also choose to use the assertion framework you want. FluentLenium gives you multiple methods which help you write tests quicker. All those methods are tested daily by commercial regression test suites maintained by project developers.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Fluid is an adaptative framework for model-driven development. Based on the Eclipse environment, Fluid defines model transformations among several modeling technologies and engines, as well as multi-tier application architecture definitions.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Fluxion
    The Fluxion framework is a prototype data integration system using Semantic Web technologies.
    Downloads: 0 This Week
    Last Update:
    See Project
  • AI-powered service management for IT and enterprise teams Icon
    AI-powered service management for IT and enterprise teams

    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity. Maximize operational efficiency with refreshingly simple, AI-powered Freshservice.
    Try it Free
  • 10
    FolioReader

    FolioReader

    A Java ePub reader and parser framework for Android

    FolioReader-Android is an EPUB reader written in Java and Kotlin.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11

    ForeIndex

    Distributed Index with Apache Hadoop, Apache Lucene and Apache Tika

    This is a distributed index framework using Apache Hadoop, Apache Lucene and Apache Tika, to index large volume of data.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Form4G
    Development of applications in java Swing with the tools and methodologies of the applications web (Plugin, javascript, html, servlet and JSP). Without the necessity of carrying with an application server
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    FormClipse (Net-Progress RCP framework)simplify data form creation for Eclipse RCP based applications.It provides some features as CRUD operations support, Validation Mechanism and other abstract operations for form drawing and components definition.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    An additional validation extension build on JSF to validate relationship of input values within a form
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Open Source Single Sign-On (SSO) and Identity Management
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    The Fortuity Framework is a simple framework for making event-driven web applications. It hooks into commonly used frameworks such as Hibernate or Spring and dispatches both user-generated and entity change events to designated beans.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Fox is a framework of objects indexing for abstract APIs of information retrievel like Apache Lucene. Framework considered intends to abstract the use of these libraries, for in such a way it disposes an interface of friendly use and easy configuration.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    foxxy is a framework for Java web applications.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Frame2 is an alternative to using Struts for web application development. Frame2 also supports web services in an MVC context.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Repositorio publico en SubVersion del framework Dinámica. Un poderoso kit de construcción de aplicaciones Ajax/J2EE El website oficial del framework Dinámica es: http://www.martincordova.com
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    It allows PC's to have direct access to the equipments of the Brazilian trademark business writing directly to serial port or other different port that can be used.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Framework SRM (Sound Recognizer ME) written in Java Micro Edition capable of recognize abstract sounds and isolated words announcer dependent on mobile devices.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    A J2EE porject, providing Hibernate and JPA for Mapping ZK for IHM or Web, Spring for Dao or Service and other features
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    An framework for rapid development of web applications that emphasizes complete separation of markup from code, ease of use and seamless integration with Java.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    FreezeDry

    FreezeDry

    Java persistence without the need for XML binding

    Easy, flexible, extensible, Java object persistence without the need for XML binding files or other configuration. Contains a semantic model that facilitates going from Object to any representation (XML, JSON, Database, etc) and back. See Wiki for Overview and Quickstart.
    Downloads: 0 This Week
    Last Update:
    See Project