Editor: XWork is an command-pattern framework that is used to power Struts 2 as well as other applications. XWork provides an Inversion of Control container, a powerful expression language, data type conversion, validation, and pluggable configuration.
The documentation for the most recently released version can be found here (PDF). These docs are a snapshot from XWork's wiki at the time of the release. For the most up-to-date documentation, especially if you are using XWork from CVS, please check out the wiki.
Feel free to use the "powered by XWork" logo on your website or projects if you use XWork