Experience Sun GlassFish Enterprise Server (previously named Sun Java System Application Server)—an easy, fast, and industry-leading application server based on Java Platform, Enterprise Edition (Java EE) technology for developing and delivering web applications and web services.

Sun GlassFish Enterprise Server is Sun's commercially supported distribution of the open-source GlassFish application server from the GlassFish Community and is free for development, deployment, and redistribution.

Sun GlassFish Enterprise Server is included in the Java EE SDK—the first robust, commercial Java EE 5-compatible implementation that lets you easily develop and deploy you applications. Download the Java EE 5 SDK and Java Application Platform SDK and see the SDK Resources.

What's New   May 9, 2008 Creating a Java EE Appliance on OpenSolaris At the JavaOne conference, Sun technical evangelists Peter Karlsson and Chuk-Munn Lee discussed how to build a Java EE platform-based appliance with the GlassFish application server on OpenSolaris.   May 5, 2008 Preview GlassFish v3 Technology Preview 2 gives you an early look at GlassFish v3 and its modular, lightweight, and extensible architecture. This milestone release contains web-tier technologies and the Java Persistence API from Java EE 5. In addition, you can use the Update Center to access new early access versions of EJB 3.1 and the JAX-RS API. Try it today.   » See more Community   GlassFish Participate in the community development of the GlassFish application server, which implements the newest features in the Java EE 5 platform.   Samples for Project GlassFish Developers can use and contribute to the sample applications that demonstrate Java EE technology using the Java EE SDK built by the GlassFish Community.   Application Servers Forum Post a new topic, browse recent messages, and see links to additional application server-related forums.   » See Application Server Community Support   Gain flexibility and support on a global scale. Count on Sun's full enterprise support whenever you need it. Buy Application Server 9.1 Support Application Server Support and Services Sun Software Service Plans Developer Assistance »  See Application Server Support

Product Highlights   Free for development, deployment, and redistribution Improves developer productivity through adoption of Java EE 5 technologies Foundation for service-oriented architecture (SOA) and Web 2.0 applications Completely integrated with NetBeans and supports Eclipse through a plug-in 100 percent derived from the open-source GlassFish Community For details about Sun Java System Application Server 9.1, see: Features and Benefits System Requirements Screencasts   Sun Java System Application Server 9.0: Managing and Monitoring Web Services Check out this demo of App Server's web services management features.   » See more Java EE screencasts Training and Certification   Learn about Java EE and application server training courses and find out about certification programs for developers and architects. Sun Java System Application Server 9.1: Introduction Sun Java Enterprise System Web and Application Services Java EE and Web Services Java EE Certification » See Application Server Learning