WWW-Salesforce is a PERL library that provides an abstraction layer between SOAP::Lite and Salesforce.com. This library provides a work around for SOAP::Lite's lack of support for complexTypes and limited document/literal encoding.
There’s no doubt that an application becomes exponentially more valuable as the number of data sources it connects to increases. The challenge is managing that process. While the rise of application programming interfaces that make it simpler to invoke another application has dramatically increased the usefulness of application software, trying to manually manage that process via a series of point-to-point connections winds up being overly cumbersome.