Apple Developer Connection's Sherlock documentation.

Open Source Sherlock 3 channel projects hosted at SourceForge.

mozdev Project Mycroft's documentation for Mozilla-Search. Plug-ins bear a striking resemblance to Apple's Sherlock 2 code.

Information on developing Sherlock 2 search plug-ins.

General information, guidelines, tips, and a development kit (SDK) for creating Sherlock 3 channels.

A list for discussion of Apple's Sherlock technology, especially all aspects of writing Sherlock Plug-ins.

A handy utility to observe REST, SOAP and XML-RPC traffic initiated by a channel. Part of the Axis Apache SOAP environment.

A developer-oriented discussion list.

Apple Developer Connection's pages contain examples of working with SOAP and other web services.

XML news and resource links for Macintosh users.

A Remote Procedure Calling protocol that works over the Internet. Specifications, API info, implementations, services, tutorials, service validator.