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The Seam Framework - Next generation enterprise Java development

Seam is a powerful open source development platform for building rich Internet applications in Java. Seam integrates technologies such as Asynchronous JavaScript and XML (AJAX), JavaServer Faces (JSF), Java Persistence (JPA), Enterprise Java Beans (EJB 3.0) and Business Process Management (BPM) into a unified full-stack solution, complete with sophisticated tooling.

Seam has been designed from the ground up to eliminate complexity at both architecture and API levels. It enables developers to assemble complex web applications using simple annotated Java classes, a rich set of UI components, and very little XML. Seam's unique support for conversations and declarative state management can introduce a more sophisticated user experience while at the same time eliminating common bugs found in traditional web applications.

Learn more

To find out more about Seam, read this introduction and check out some tutorial code examples. If you're evaluating Seam, please see our answers to frequently asked questions.

If you are a new Seam user, follow this roadmap to get started quickly. If you want to contribute to Seam, register on this website and join the Seam Community. If you are interested in development of Seam, see the list of open issues and tasks by priority.

Seam is licensed under the terms of the LGPL. Full commercial support is available. Eclipse-based tooling for Seam applications is provided by JBoss Tools.

Reinvesting in Java EE

Seam is based on the Java EE platform. That's why reinvestment in Java EE standards is crucial to Seam's future. Many ideas which originated in the Seam ecosystem are being contributed back to the Java EE specification by Red Hat, being refined in the process. The most notable initiative is JSR-299: Java Context and Dependency Injection. This website is home of the reference implementation, Web Beans. Check out the development page to get involved. The Seam community also has lots of ideas for JSF 2.0 and JSF 2.1, so check out those pages to keep up with the proposals.

Atom News
02. Jul 2009, 15:55 CET, by Pete Muir
Unfortunately a hiccup with SourceForge has meant that Seam and Web Beans downloads are currently unavailable - please bear with us while we sort it out. In the meantime, I've put the latest releases of Seam and Web Beans up on another server: Web Beans 1.0.0.PREVIEW1  more...
29. Jun 2009, 18:02 CET, by Pete Muir
The Seam team is happy to report that Seam 2.2.0.CR1 is now out. This release gives us a chance to upgrade Seam to the latest versions of a few libraries that are core to Seam. These changes were big enough to warrant bumping minor version numbers. The largest is a bump to  more...
11. Jun 2009, 00:45 CET, by Gavin King
I just submitted the Proposed Final Draft of JSR-299, Contexts and Dependency Injection, to the JCP. Download it [Attachment]. We're gearing up for a final release in August, in time for the Java EE 6 release in September. Thanks to everyone who put so much effort into  more...
09. Jun 2009, 19:40 CET, by Christian Bauer
Norman released Seam 2.1.2 yesterday and it comes with much improved support for REST processing, compared to previous 2.1.x versions. We started integrating RESTEasy - an implementation of JAX-RS (JSR 311) - with Seam almost a year ago in a first prototype. We then waited  more...
Last Site Updates
(Christian Bauer) 02. Jul 2009, 11:04 CET
(Pete Muir) 01. Jul 2009, 18:45 CET
(Pete Muir) 29. Jun 2009, 17:44 CET
(Norman Richards) 27. Jun 2009, 16:53 CET
(Pete Muir) 27. Jun 2009, 12:26 CET
(Gavin King) 24. Jun 2009, 22:12 CET