Rss soap
A high performance, lightweight, StAX based SOAP framework with pluggable

Enunciate is a web service deployment framework (not another web service stack implementation). Enunciate provides a mechanism to build, package, and deploy your web service API. Enunciate compiles your source code and generates a web app that includes user-level documentation, a consolidated WSDL, SOAP endpoints, REST endpoints, JSON endpoints, client code, etc.

Codehaus XFire is a next-generation java SOAP framework. Codehaus XFire makes service oriented development approachable through its easy to use API and support for standards. It is also highly performant since it is built on a low memory StAX based model.