ActiveSOAP
ActiveSOAP is a high performance, lightweight & easily embeddable, StAX based SOAP framework for document centric Web Services and implementing SOAP intermediaries.
ActiveSOAP uses pure StAX to implement the SOAP protocol, parsing and processing the SOAP headers, roles & relaying using pure StAX for high performance which is particularly useful when performance is critical or when you are implementing a SOAP router, load balancer or intermediary.