A component model for producing interactive and reusable J2EE web systems using object oriented methodologies. It is built on a flexible pipeline architecture and is easy to integrate with other technologies. [Open source, LGPL]

A set of WebObjects frameworks that allow WebObjects applications to provide soap services via Apache Axis without having to run WebObjects in a Servlet container.

Capture, analyze, and publicize health, performance, and monitoring statistics for Java applications. [Open source, LGPL]

Offers distributed nested transaction products using JTA, JTS, and SOAP. [Commercial]

An application server component framework, includes logging, thread pooling, and scheduling. [Apache]

Open source, servlet-based, presentation framework. Includes project mailing list, FAQ, and documentation.

A framework for developing reliable database applications in a technology independent and predominantly editorial way. User interfaces may be easily exchanged from Swing to HTML and vice versa. Also test JavaServerPage sample application for it. [Open source, Apache Software License]

Java-based Open Source Application Framework. [Open Source]

Integrates Java objects, XML documents, SQL relational databases and LDAP directories in a unified model that allows information to be exchanged, persisted and manipulated in a variety of ways. Supports JDO. [Open Source, BSD-like]

A free framework for Java server-side application.

Offers a set of web controls (custom JSP tags, servlets, filters) for J2EE applications.

Form a Java Presentation Framework based on Java Servlets, JSP and Struts. The Presentation Framework contains the most common control elements like lists, trees, tabfolders, menus and forms, which are required for the development of J2EE applications with HTML frontends. [Commercial]

The London-based investment banking arm of Dresdner Bank, Germany's third largest financial institution, is releasing OpenAdaptor, a tool for reconciling global banking and trading accounts to open-source software developers.

A Java framework for web applications accessing one or several databases to generate dynamic content. It can be used as part of intranet applications automating complex business processes or work-flows. [Open source, GPL]

A framework to create web applications with Java. It's based on the MVC architecture (model-view-controller). [Open source, LGPL]

Allows the creation of dynamic web content whilst separating content from presentation. [Freeware]

Article at the Financial Technology Network about the release of the source code of OpenAdaptor as Open Source.

A framework for developing multithreaded server applications based on the Internet standards. [Shareware]

Library of extensible Java Servlet components for providing services to web-based applications. [Open Source, BSD-like]

The Java Servlet engine of the GNU-Project. It was designed to be small, fast and easy to use. In designing this way we have separated some of the components out into sub-projects: socketserver is a thread pool and tcp server and EEP! is a lisp based template language. GNU-Paperclips fully implements the Servlet API version 2.3. [Open Source, GPL]

A library which was designed to be compatible with WebObjects 4.x. [Open source, LGPL]

Formerly known as WebSphere Business Components Composer were derived from the IBM SanFrancisco Application Business Components for Java product.

Java-based set of components that allows developers to assemble server-side business applications from existing parts, rather than build from scratch. [Commercial]

A J2EE-based framework that includes methodology, software libraries and a set of easy-to-use Web-based tools for building complex Web applications.

Free implementation of the Java Management Extensions (JMX) specification (LGPL).

Servlet implementation of an open protocol GroupWare product. The backend (search engines, news, weather, POP3/IMAP/LDAP/NNTP, database) will be based on other open source packages. [Open Source, BSD-like]

A suite of server-side Java Servlets and JavaServer Pages, with supporting client-side Java applet/JavaScript code for image intensive web applications. [Commercial]

JavaBean for adding interactive maps or GIS to your Internet applications.

Project is intended to provide independent, configurable core functionalities that can be reused in Web Applications. [Open Source]

A universal, open technology for management, and monitoring that can be deployed wherever management and monitoring are needed. By design, this standard is suitable for adapting legacy systems, implementing new management and monitoring solutions and plugging into those of the future.

A JavaBean component class library provides a classification and notification scheme for exception handling.

Framework for web applications that takes care of the common processing that happens for every request, thereby relieving the author of an application servlet from having to worry about them. Uses WebMacro, servlets, and MySQL. [Open Source]

Software framework for publishing dynamic content, separating out and automatically re-combining programming logic with presentational HTML. [Commercial]

A modular Java framework. It uses connectors to access data in a standard way. Those data could then be used transparently in others modules to be, by example, rendered or updated in HTML or Swing layouts.

A complete, open source (BSD), OSGi R3 framework.

A taglib that helps rapidly develop data driven web applications. It offers both JSP tag library and a Java API for data manipulation. Works with various DB engines. [Open source, LGPL]

A scalable, and secure solution for building J2EE applications. It include Application Framework, Group Messaging and Content Management System. [Commercial]

An MVC framework for the development of dynamic web applications. [Open source, LGPL]

An initiative to build an Open Source implementation for the JMXTM technology, specification version 1.1, and to build related tools. [Open source, Apache Software License ]

An extension to the Jakarta struts framework that provides a powerful caching facility for actions and views [Open Source, BSD-like]

Hides common functionality (pluggable Authentication, advanced Access Control, connector-based Persistence, Query and distributed Actions) behind few well-defined Application Services that can be transparently deployed on network. [Commercial]

A fully functional standalone transaction manager that implements the XA protocol and is compliant with the JTA APIs. [Open Source, BSD-like]

A library of generic implementations of core J2EE patterns and practices and packaging tools essential for building/composing Web-based, XML-driven, EJB-JavaBean-JSP tier J2EE applications. [Open source, LGPL]

A Java/XML-based software platform which allows for rapid business system integration with little or no custom programming.

A Java framework designed to encourage development of modular, reusable, and independent units of business logic. [Open source, MPL]

Java-based framework for portal applications, providing API's and ready-to-use tools for pages, portlets, user management, content management, collaboration and community services. [Open source, LGPL]

OpenJMS is an open source implementation of Sun Microsystems's Java Message Service API 1.0.2 Specification

A web application framework for J2EE. It is based on a concept called "Pull HMVC" (Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet. [Open source]

A Java-based, asynchronous peer-to-peer message framework for binary, text, and record-oriented message passing that includes memory management of queues and dynamic discovery of remote readers. [Open source, GPL]

A Java/J2EE framework and complete "business object centric" solution combining: architecture, infrastructure, and methodology. Developers focus on the business solution rather than technical components and patterns. Swing and web applications can be developed using the same code. [Commercial]

A job scheduling system that can be integrated with, or used along side virtually any J2EE or J2SE application. Quartz can be used to create simple or complex schedules for executing tens, hundreds, or even tens-of-thousands of jobs-who's tasks are defined as standard Java components or EJBs. [Open source, Apache Software or BSD License]

A complete implementation of the core J2EE design patterns; a collection of independent components/services brought together as one cohesive framework. [Open source, GPL]

A framework for building enterprise applications with rich user interfaces, delivered via the browser.

Server-side reporting without need for an AWT. [commercial]

Simple, cross-platform Rule Engine Framework for server-side Java(tm) and Web Services. .NET client library included.

An architecture built on the Servlet API for quickly developing Java Servlets, providing debugging, data conversion automation between HTTP data and internal data, and handling 'application/x-form-urlencoded' and 'multipart/form-data' encoding types.

A Java framework for the development of web services. It consists of service engine and an API comparable to Servlets, with better support for concurrency and component chaining, and a simpler interface. [Open source, GPL]

JAR library including database access bean, implementation of a bookmark for JSP, client/server architecture to call remote method using http protocol and a servlet container as server, implementation of a cart. [Freeware for development and non-commercial use]

A reusable J2EE framework development environment, developing, debugging, and deploying e-business applications and Web services. [Commercial]

A J2EE based class and tag library for building database driven web applications. Conceptually it's similar to other open source frameworks like Apache Struts. What makes SOFIA stand out from other frameworks is the built-in tools integration. [Open source, GPL]

System for assembling components via configuration files. Documentation and downloads.

A web application scripting system that offers a procedural Java syntax for building J2EE applications, requires little or no knowledge of J2EE. By StructuredSoft, Inc.

An extension of the struts framework to support XML and XSL without changing the functionality of struts. [Open source]

An open source framework for building Servlet/JSP based web applications based on the Model-View-Controller (MVC) design paradigm [Open Source, BSD-like]

Swing-like servlet API for constructing HTML-Javascript interfaces which are programmed very similarly to Swing. [Commercial]

Organizes web applications development into component-based framework. Requires Servlet API 2.2 and JDK 1.2. [LGPL]

A JAVA library for document generation, menu generation and navigation. [Open source]

The Apache servlet engine Tomcat, mod_java, and Java-related server side open source code. Not just for Apache users. [Open Source, BSD-like]

A complete toolkit of server-side GUI components accessible through custom tags. Menus, tabbed panes, table views, tree views, styling framework with customizable rendering, HTML forms encapsulation and extensions, declarative form validation mechanism. [Free for non-commercial and commercial license variants]

Web application development framework to facilitate building secure web applications, based on and extending the Dash framework (see above). [Open Source, BSD-like]

A database access layer for the Jakarta Velocity template engine. [OPen source, Apache Software License]

A use case centric framework for building a presentation layer for Java applications. The framework enforces the model-view-controller pattern and provides additional services for internationalization, templating and validation. [Open source, LGPL]

A suite of server-side components for date collection and validation within a web application.

A Java GUI library which is used for development of web applications. Main feature of webbase is the automatically server-sided generation of GUIs in HTML as frontends on client side.

A Java/XML server-side GUI-framework which enables an application to run as either a monolithic Swing application, a client/server Swing application, or as a Web/HTML application without change.

A component-based framework for developing web-based user interfaces using a single language: Java. [Open source]

A framework for building data management procedures using XML-based configuration files. XFP is also a server that provides scheduled execution of procedures, email notifications and a configurable logging system. [Open source, Apache Software License]

A JMX 1.0 implementation is derived from AdventNet's JMX implementation. XMOJO also contains contributions of adaptors, such as HTML and RMI and rich tools, such as MBean Browser. [Open source, LGPL]

XML/XSLT framework for Java servlets, which supports building of HTML-based web applications. Features include generating of the HTML pages, dispatching of HTTP requests and validation of user input. [Open Source, BSD-like]