JavaEE 7 blueprint example named cargo-tracker from Reza Rahman demoing the JavaEE 7 APIs

has setup an evolving application like the Pet store example for JavaEE 6 named

This examples contains the JavaEE 7 API's in use. Here's the Video from the Devoxx Belgium ( on youtube ):

The homepage of cargo-tracker can be found here

The Source-Code of the app is available in a subversion repository

Since the project is managed by maven you can use any IDE you like with maven support like
Netbeans, Eclipse, IntelliJ, ...