WildFly Beta 1 has been available for some time now. Tech Tip #1 shows you how to get started with it. Have you tried it ?

This tip will inform you of where all the different Java EE 7 component implementations are coming from:
| Component |
JSR |
Implementation |
| Java API for WebSocket |
356 |
Undertow (lightweight Web server for WildFly) |
| Java API for JSON Processing |
353 |
Used from GlassFish |
| Concurrency Utilities for Java EE |
236 |
Used from GlassFish |
| Batch Applications for the Java Platform |
352 |
jberet |
| Java API for RESTful Web Services |
339 |
RESTEasy
|
| Java Message Service (JSR 343) |
343 |
HornetQ
|
| Contexts and Dependency Injection |
346 |
Weld
|
| Bean Validation |
349 |
Hibernate Validator
|
| Java API for Persistence |
338 |
Hibernate
|
| Java Connector Architecture |
322 |
IronJacamar
|
| Java Transaction API |
907 |
Narayana
|
| JavaServer Faces |
344 |
Used from GlassFish |
| Expression Language |
341 |
Used from GlassFish |
| Servlet |
340 |
Undertow |
| Enterprise JavaBeans |
345 |
WildFly |
| Java API for XML-based Web Services |
224 |
JBossWS (Apache CXF is default)
|
And in case you are wondering, here is a pancake diagram that shows how these technologies fit together:

Have you tried any of the implementations by itself ?