IMS Common Caritdge 1.0 Lite Compliance attained Dec 17/09.
ATutor Common Cartridge
Common Cartridge is essentially a combination of IMS Content Packaging, Question Test Interoperability, and Tool Interoperability. ATutor already supports content packaging, and QTI will be instroduced in the spring 2007 release. Tool interoperability will be introduced in the second half of 2007.
Details of the Common Cartidge Specification are available on the IMS Web site.