The first version of the PureMVC Multicore framework for Java which is compatible with GWT has been relased here under Creative Commons Attribution 3.0 license. For those who do not know MVC, you should look at Wikipedia. Then, if you want to know more about PureMVC, you should continue with the conceptual diagram and best practices. These documents demonstrate the Singleton version, they are a good introduction to PureMVC concepts.
