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.

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  • 1
    Project to to port common Java libraries like JUnit, Log4j, Crimson, Xerces, Xalan, Jakarta POI, Commons Lang/Collections/CLI, JSch, JZLib, BouncyCastle and JFreeChart on .NET Framework 2.0 using J#.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 2
    March, 29th, 2012: Woko 1.x is End of Lifed, and we have moved everything out of sf.net for 2.0 : http://www.pojosontheweb.com
    Downloads: 3 This Week
    Last Update:
    See Project
  • 3
    We have abandonned work on this framework in favor of using JSF. Though JSF is not perfect, it is close enough to Chrysalis for our purpose, and has the advantage of being a standard with major industry support.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 4
    A client container for Swing, based on Java 5 language features (annotations, enums...), and PicoContainer. Develop Swing applications with a simple development model, using POJOs, a clean MVC pattern and services and be more productive.
    Downloads: 1 This Week
    Last Update:
    See Project
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  • 5
    Io is a project in development. It aims to be a backend for all kinds of online games, relieving game developers from the task of writing the technical infrastructure needed to support such games.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    A Java API binding of the IETF Mime-Dir and vCard RFC's. This package defines implementation neutral Mime-Dir and vCard Java interfaces for exposing data objects corresponding to those defined by the RFC's.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    Action-driven component-oriented web application framework based on Model-View-Controller (MVC) architecture. Goals: minimum complexity & dependency on the framework API, maximum power, reliability and conformance to common standards.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    Calyxo encourages in MVC-Model2 Java web application development. It offers support for true modular applications, i18n, flexible view management, a powerful validation engine, and more. Calyxo's Struts plugins may replace Struts' Tiles and Validator.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    This was once an engine targeted at online games. It has been succeeded by another project with the same goal: http://io-project.org
    Downloads: 1 This Week
    Last Update:
    See Project
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  • 10
    Falcon is a java application that allows developers to declare dependencies decoratively and wiring is performed at runtime. This allows high level representation for easier management of larger sites (and smaller projects).
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    Fast UML is an open-source UML tool with a simple user interface pop-up free. Draw UML diagrams fast, export diagrams to png, jpg and clipboard. It pretends to be the union between Violet and UMLet.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 12
    A real-time, distributed, data model system. http://fulmine.sourceforge.net
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    GPSylon is a Java moving map application that is able to display maps like in an atlas and show your position by the use of a gps device. It may track your path, load overlays (e.g. shape files), download maps from expedia servers. - The source code was moved to github!
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    JRemoteFS is a lite, generic framework for access to remote filesystem integration into your Java application. Currently FTP and SFTP are supported. JRemoteFS was developed for JAlbum and now released as a seperate package. For more info, see http://joos
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    Java Weapon Script Engine is a Java library for implementing dynamic weapons. Weapons are specified and parsed from script files. The goal of the project is to be able to generate any kind of weapon and behavior.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    This is a Java API binding of the IEEE LTSC LOM (Learning Object Metadata) specification. It defines an implementation neutral Java interface for the LOM, as well as providing a default implementation of that interface, and XML marshalling functionality
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    Unit test framework for PegaRULES Process Commander applications. PRUnit is based on the xUnit family of testing frameworks. PRUnit is downloaded as a Zip file that can be uploaded to your PRPC system and loaded into the rule base.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    Salto framework is an AJAX based framework which makes possible to build a Web application very quickly. Thanks to AJAX mechanism, datas exchanges between client side an server side are reduced. You are able to refresh only a part of the screen.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    SimDB is an object-relational database persistence library with emphasis on simplicity and ease of use. It follows the Model-Driven paradigm, providing an effective implementation of object/relational mapping on top of JDBC and standard SQL.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    Surf Framework is a framework that aims to simplify the development of Java Swing applications by implementing a taste of MVP (Model View Presenter) design pattern.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    Theba is a plugin-based image analysis framework for segmentation of and measurements on 3D and 2D images. Theba has a nice GUI that allows inspection and manipulation of the image and a wide range of plugins including segmentation.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    This is a Java API binding of the IMS VDEX (Vocabulary Definition Exchange) specification. It defines an implementation neutral Java interface for VDEX, as well as providing a default implementation of that interface, and XML marshalling functionality.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    Wafer is a research project which compares numerous open source web application frameworks and provides a common example application implemented in each framework.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    Web Fast Forms is a web application development framework for Java developers. The framework is targeting developers that are building administrative web applications. The product is well suited for applications that are form based and that use a RDBMS.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    MVC Java framework intended to help building simple web applications quickly. It provides components for pagination, tables, dialogs, data input, security, error handling and long-term processing feedback. Minimum configuration and XML files required. This project is discontinued.
    Downloads: 1 This Week
    Last Update:
    See Project
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