SOAP at UserLand - The jump-off point for all of UserLand's resources for SOAP and XML-RPC developers. By UserLand Software, Inc. - http://radio.userland.com/developer/APIs/soap
Qt SOAP Manager - A GUI tool for sending SOAP messages that can be used for the development, debugging or exploration of Web Services. [Open source, GPL] - http://qsoapman.sourceforge.net/
SOAPAgent.com - An open SOAP directory. - http://soapagent.com/index.html
FREE Web Services development and deployment platform. - Idoox develops and sells Web Services infrastructure software. Our products make it easy for companies to create, publish, discover and use SOAP Web Services. - http://www.idoox.com
Cetus Links: SOAP - An index of SOAP-related resources. - http://www.cetus-links.org/oo_soap.html
The XML Cover Pages: SOAP - Provides description and references for SOAP. By Robin Cover. - http://xml.coverpages.org/soap.html
soapware.org - Directory of SOAP-related resources. By UserLand Software, Inc. - http://www.soapware.org/
SOAP at PercentXML.com - A SOAP resource center with categories like articles, software, for beginners, books, FAQs, etc. - http://www.perfectxml.com/soap.asp
SOAPClient.com - Contains SOAP testing tools, sample services, free source code and other resources. By SQLData System, Inc. - http://www.soapclient.com/
SOAP Resource Center - A resource site for SOAP with protocol specs, whitepapers, tutorials, FAQs and software. By SoapRPC.com. - http://www.soaprpc.com/