SOAP Resource Center
A resource site for SOAP with protocol specs, whitepapers, tutorials, FAQs and software. By SoapRPC.com.

SOAPClient.com
Contains SOAP testing tools, sample services, free source code and other resources. By SQLData System, Inc.

VBXML.COM: SOAP Zone
Provides SOAP-related articles, examples, tools, discussion forums and links.

SOAP at PercentXML.com
A SOAP resource center with categories like articles, software, for beginners, books, FAQs, etc.

SOAP at UserLand
The jump-off point for all of UserLand's resources for SOAP and XML-RPC developers. By UserLand Software, Inc.

soapware.org
Directory of SOAP-related resources. By UserLand Software, Inc.

SOAP Developer Resources
Headlines, essential information, and related links on SOAP. By Microsoft.

The XML Cover Pages: SOAP
Provides description and references for SOAP. By Robin Cover.

Cetus Links: SOAP
An index of SOAP-related resources.

SalCentral.com - WSDL, SOAP, Web Services Search engine and Web Service Tracking
Web service schemas, reviews, and quality assurance information on web services.

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.

<soapenv/>
Developer mailing lists, developer news, and code samples.

Thirdm.Com: Simple Object Access Protocol
Information about using SOAP from Perl, VB, Java, C# and .NET.

SOAPAgent.com
An open SOAP directory.

SearchWebServices.com - SOAP
Catalog SOAP articles, examples and tutorials, tools, implementations.

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]

soap weblog
News, FAQ, director on SOAP. By Dave Winer.