EviWare, an open source company recently released v2.0 of their soapUI product at JavaPolis 2007. The test suite is capable of tracking test coverage, perform test refactoring based on updated ...

The tools are soapUI, TestMaker, and WebInject. All are open source, and are available for free download and incorporation into your next Web services project.

Plus, LISA is hardly limited to SOAP or even RESTful Web services, but also provides tools for testing Web apps, Java applications, JMS systems, and enterprise service buses.