I'm often asked about the list of Java EE 5 compatible applicationservers. Here is the complete list of officially certified servers. But the actual number of servers should be even greater - even Spring supports EJB 3.0...
NEW workshop: Building HTML 5 Applications Without Frameworks, Full week in December 2016: from Java EE 7 Bootstrap, Effective, Architectures over Testing to Microservices
On demand workshops: Java EE 7: Bootstrap, Effective, Testing and Microservices available for streaming.