Mindquarry JCR is a set of extensions to provide an XML-to-JCR-mapping, to extend Apache JackRabbit to support full XPath and some smaller tools used in Mindquarry.
Mindquarry Persistence is a JCR-based persitence layer used in Mindquarry. It allows to serialize Java objects into an XML-representation in a JCR storage and is used for Mindquarry’s user management.