CL-SOAP is a open-source (LLGPL) project hosted at

Ultimately, this library will implement the full SOAP 1.1 spec (, both the client and server parts, using both HTTP and HTTPS as transports as well as the WSDL 1.1 spec ( and the XML Schema Definition spec ( and on as many CL implementations as possible. Interoperability with various other SOAP implementations and applications will be possible.

CL-SOAP was started and is currently maintained by Sven Van Caekenberghe.

ASDF-install package (obsolete)