DBFunktoids is a set of three database functoids that enable the execution of stored procedures and the retrieval of data and error information from the results. Source is included!
TopXML, covering all uses of XML in many languages supprting XML, providing working XML sample code, XML tutorials and XML-related references, authoring tools, XML developer resources, XML discussion forums and XML blogs
Due to the distributed nature of a business process it makes sense for a workflow to be deployed as a distributed application. See how Windows Workflow and Web Services hold the key.