A Python SOAP client
NetSuite PHP API Client with namespaces and autoloading
Heavy metal SOAP client
Generates a PHP SDK based on a WSDL, simple and powerful, WSDL to PHP
Laravel Soap Client
A web application for testing webservices
RASD for Oracle
WSDL2Go code generation as well as its SOAP proxy
Yet Another DPWS Stack, a WS4D JMEDS fork (discontinued)