The eXtensible Catalog (XC) Project has released a six-part webcast that describes the software, which is expected to be released by the end of the month.
Here's an excerpt from the project home page that describes it:
The eXtensible Catalog (XC) Project is working to design and develop a set of open-source applications that will provide libraries with an alternative way to reveal their collections to library users. XC will provide easy access to all resources (both digital and physical collections) across a variety of databases, metadata schemas and standards, and will enable library content to be revealed through other services that libraries may already be using, such as content management systems and learning management systems. XC will also make library collections more web-accessible by revealing them through web search engines.
Thanks for mentioning the eXtensible Catalog (XC) project. Just so there is no misunderstanding, I wanted to be clear about what we are planning. At the end of the month we will be opening visibility to all the XC code and releasing working versions of two XC code components, the OAI and NCIP Toolkits.
Randy Cook, XC Project Manager