[fleXive] is a Java EE 5 framework for the development of complex and evolving (Web) applications. It speeds up development by easing many tedious and repetitive programming tasks and helping to keep your application(s) flexible during the development cycle and in production. It concentrates on enterprise-scale content modeling, storage, and retrieval, and includes comprehensive JSF support for displaying and manipulating these contents in (Web) applications. The runtime environment can be included in existing Java EE applications, but you can also build new applications and package them into stand-alone Java EE applications. Key features include persistence, security, versioning, multi-language support, scripting, etc.
Agent Building and Learning Environment is a Java framework, component library, and productivity tool kit for building intelligent agents using machine learning and reasoning.
AgileSites is a framework for Oracle WebCenter Sites (formerly Fatwire) designed to be easy to use and productive.
a logging framework for Java written in Standard C++.
The major advantage of ALF is the automated method tracing which is generated at runtime without need for explicit calls to print/logging methods
Apache Cayenne is an open source persistence framework licensed under the Apache License, providing object-relational mapping (ORM) and remoting services.
Appia is a layered communication framework implemented in Java and providing extended configuration and programming possibilities. Appia is composed by (1) a core that is used to compose protocols and (2) a set of protocols that provide group communication, ordering garanties, atomic broadcast, among other properties.
Ar4j is a lightweight persistence framework based on the ActiveRecord design pattern. It is for use with Java and it uses Spring 3.0 JDBC/SimpleJdbc.
Aranea is a hierarchical Model-View-Controller Web framework that provides a common, simple approach to building Web application components, reusing custom or general GUI logic, and extending the framework. The framework enforces programming using object oriented techniques with POJOs and provides a JSP tag library that facilitates the programming of Web GUIs without writing HTML. In addition to being a full-fledged Web framework in its own right, it provides a powerful and simple component system that allows the framework to be tailored by configuring the reusable modules and adding modules only for the missing features.
an n-tier Framework and GUI Screen builder/designer, supporting 1, 2 and 3 tier mixed architectures to databases, application servers or local persistent data in files. Extensive documentation including launching from a Web Server
BeanKeeper is an object/relation mapping framework for Java. It is designed to be easy to use.
betterFORM is a feature-complete platform for the rapid development of XML applications that use XML from 'front to back'.
a (LGPL'd) MVC based framework intended to be used with java servlet applications. Bishop acts as the controller in the MVC pattern and coordinate how the model (business objects) and view (html/wml pages) interacts
Bo2 is a Java framework aiming to facilitate the development of maintenable business applications.
Calyxo Web Application Framework
encourages MVC model 2 based web application development. It offers support for true modular applications, i18n, a flexible view manager, a powerful validation engine, and more! Calyxo is entirely written in Java and builds on the latest Servlet and JSP technologies
CB2 is a free light-weight, while complete framework for server-side Java development. It consists of a software library, development environment, and a number of architectural and stylistic approaches. CB2 is intended to provide developers with a comprehensive software infrastructure for creating Java applications. The most common case of CB2 usage is building data-driven web-applications.
The goal of centipede is to make it trivial to create command line applications in Java for both research and production use. Logging, per-developer configuration (no checking database passwords and API keys into version control) as well as documentation tools and rational error handling all come for free.
Citrus is a test framework written in Java that enables automated integration testing of message-based enterprise SOA applications.
Clover ETL is a framework for creating ETL transformations. It follows the concept of transformation graphs which consist of individual nodes performing simple operations on data.
a pure Java publishing framework that relies on new W3C technologies (such as DOM, XML, and XSL) to provide web content.
Combean is a Java framework for combinatorial structures like graphs or linear programs and optimization algorithms working with these structures. The objective of Combean is to integrate existing proven optimization packages as well as new implementations through a set of lean Java interfaces.
Community Z Tools
CZT is a Java framework and a suite of tools built on that framework for editing, type checking, and animating formal specifications written in the Z specification language. In addition to the ISO standard, there is some support for Z extensions, such as Object-Z, Circus and TCOZ.
Compass is a Java framework which makes it simple to map your Java object model into a search engine. It is built on top of the Lucene search engine. Compass features declarative mapping technology OSEM (similar to O/R database mapping), transaction management, Google-like query syntax, externalization of common metadata, and much much more.
databeans is a fully object oriented (not relational) persistence framework for Java, based on the use of the JavaBeans accessor methods to read and write data on disk instead of in the classes' instance fields. It is distributed (through RMI), transactional (with the 4 ANSI isolation levels supported), garbage collected (backed by an on-disk heap called "heapspace"), and has persistent versions of the Collection classes. It aims to provide a full-fledged solution for enterprise application development.
DEMUX Framework enables Java developers to build modular, cross-platform applications which can run on desktop, Web, and mobile and embedded devices.
DiffKit is an application and a framework, for comparing two tables of data, field-by-field.
Dwarf server framework
a modular Java framework for developing network server applications based on Internet standards. The main difference between Dwarf and other similar tools is that Dwarf has been designed to be as simple, lightweight, and modular as possible
Easy Hibernate Cache
Easy Hibernate Cache is a fast and simple, pure Java, in-process cache, which acts as a pluggable cache for Hibernate. It has a small memory footprint, minimal dependencies, and full documentation.
ELIDE is a framework for extending the Java language with design vocabulary specific to your application.
EpochX is a genetic programming framework. It is designed specifically for the task of analyzing evolutionary automatic programming.
Open Source Standards-Based Application Development Framework designed to shortentime-to-delivery for building Distributed, Reusable, Component-Based, Secure Web-based business transactional Applications
Open source extension of the Expresso Framework providing basic facilities for importing and exporting DBObjects to XML format streams and/or files. Applications that use Transaction objects can also make use of this projects' XSLT front-end for Transactions, allowing the user interface of any Expresso application to be designed with XSL stylesheets.
an 'MVCish' framework for Java web applications. Facade enables developers to build highly modular web applications. Event handlers (controllers and view handlers) can be easily mapped to requests and events via configuration file, which makes it very simple to reuse them
a powerful, lightweight software component that provides job scheduling functionality to (commercial) software developers and software applications. Job scheduling is concerned with executing the right task, on the right day, at the right time, and when the right events occur
allows Java developers to easily add zoom/pan rendering for java.awt.Shape objects. All objects are manipulated in a world view which may use whatever coordinates range that it wants
Fulworx provides Struts-like functionality for restful interfaces to applications by leveraging XWork, Restlets, and JAXB2 to perform CRUD functionality. Think of this: Struts is to Servlet what Fulworx is to Restlet.
Generic JTAPI and JCC
a framework to allow for the rapid application of Java telephony specification implementations. It does this by reducing the "service provider" coding requirements by an order of magnitude and by providing common services
provides a consistent Java framework for game development. It contains a library with classes primarily intended for sprite-based games conception, including functions for sprite manipulation and collision detection
Grails is a high-productivity Web framework for the Java platform designed according to the MVC paradigm.
gui4j is a framework for describing Java Swing GUIs completely in XML. The graphical user interface is created dynamically based on the XML definitions. Each GUI window is associated with exactly one top-level XML file. Each XML file can dynamically include other XML files to support complex GUI definitions. Each XML file is associated with a java object that acts as both a Controller and a Model for the GUI.
Hammock is a mock object framework for J2ME devices. It is used in conjunction with unit test frameworks like JMUnit and J2MEUnit. The framework includes mocks for many of the J2ME UI and I/O classes as well as a utility, HammockMaker, for generating mocks of other classes.
Hibersap is a small framework that offers an abstraction layer on top of the SAP Java Connector (JCo). It maps Java classes to SAP function modules using Java Annotations and reduces the technical code to call a function in a SAP back-end system to a minimum.
IDebug is an advanced debugging framework for Java. This framework provides the standard core debugging and specification constructs such as assertions, debug levels and categories, stack traces, and specialized exceptions.
Induction is a request-based Java Web application framework with support for dynamic application reloading, type-based dependency injection and dependency analysis between models, and views and controllers using popular IDEs.
InfoNode Docking Windows
(GPL/commercial) InfoNode Docking Windows is a powerful pure Java Swing docking windows framework.
Infovore is a map/reduce framework that addresses many problems that come up when working with billion-triple RDF data sets such as Freebase and DBPedia.
an open-source project for the creation of an Java and XML based framework of components that allows programmers to create complex Enterprise Information Portal (EIP) applications
IT Mill Toolkit
IT Mill Toolkit is a server-side RIA (Rich Internet Application) framework that provides complete set of AJAX widgets for Java programmers. Applications are programmed (with Java) and executed server-side, and client-side AJAX widgets (powered by GWT) are used for presentation.
JABM (Java Agent-Based Modelling) is a Java API for developing agent-based simulation models using a discrete-event simulation framework. It has a simple architecture in which agents are represented using plain-old Java objects (POJOs).
JAC is a Java framework that provides some facilities to achieve Aspect-Oriented Programming and to separate concerns when programming (distributed) applications.