And there's Errai to extend server side CDI (injection, events and context) to the GWT client side application. Substitute REST (using JAX-RS) for the server-si

And there's Errai to extend server side CDI (injection, events and context) to the GWT client side application. Substitute REST (using JAX-RS) for the server-side calls and you can provide the same API for external programs and your GWT client.