Will Pugh discusses SASH (Spring, Axis, Struts, and Hibernate), SASH Server (including Tomcat), and SourceLabs' Continuous Support System.

From the project’s homepage: “Apache Struts 2 is an elegant, extensible framework for creating enterprise-ready Java web applications. The framework is designed to streamline the full development cycle, from building, to deploying, to maintaining applications over time. Apache Struts 2 was originally known as WebWork 2. After working independently for several years, the WebWork and Struts communities joined forces to create Struts2. This new version of Struts is simpler to use

The GWT Plugin enables you to call methods on a Struts action class using GWT RPC. Documentation and How-To information is available here

If you’re using Struts2, the Struts GWT Plugin is a good resource for using GWT in your applications. Here is an article from Apache on how to wire GWT and Struts2 together. Here is an article about the Struts GWT Plugin. Recent (2008) Struts/GWT discussions and bugs

It's fast!

Useful information about projects in SASH

From SourceForge site: Strecks is a set of extensions to the Struts web development framework aimed at Java 5 users. The aim of Strecks is to enhance the capability of Struts in terms of productivity and maintainability. Strecks makes use of Java 5 language features, in particular JSR-175 annotations, to simplify the programming model for Struts applications.