Adobe CQ5 uses the following technologies :– JCR – Java specification for accessing a content repository JSR-283 specification jcr 2.0 , cq5 uses its own implementation of jcr called CRX. Apache Jackrabbit is an open-source implementation of jcr 2.0 specification.– Apache Sling – RESTful framework t...

Versions of CQ before 5.5 were based on a servlet container (CQSE, by default, though others could be used) running with multiple webapps: One for the CRX content repository and one for the OSGi container which itself contained Sling and Adobe Experience Manager. The Sling webapp was bound to the ro...