Patlac--Xml2cpp is a totally customizable code generator that generates classes (c++ for now) automatically from a xsd schema. Classes are described in google-ctemplate files and a xml options file allow precise definition of projects.
Escapepodder is an easy way to automatically generate RSS podcast feeds directly from MP3 files with a minimum of user intervention. MP3 files are scanned and the RSS is created directly from a one-time authored config file.