Apache OpenEJB and Apache TomEE are born from the same project and community. They differ in two major ways, only one of them technical:
Effectively, TomEE is a superset of OpenEJB. They share the same code and TomEE grew out of OpenEJB.
Note: this table is for TomEE 1.x, TomEE 7 comments are under it.
|Selling Neiman Dress Marcus Marcus Casual Neiman Selling Dress Casual Tomcat||TomEE||TomEE JAX-RS (~ Microprofile)||TomEE+||TomEE PluME||OpenEJB|
|Java Servlets||Dress Dress Selling Casual Casual Marcus Marcus Neiman Selling Neiman|
|Java ServerPages (JSP)|
|Java ServerFaces (JSF)|
|Java Transaction API (JTA)||Casual Marcus Dress Selling Neiman Casual Marcus Selling Dress Neiman||Marcus Marcus Casual Selling Dress Selling Dress Casual Neiman NeimanTop Swimsuit Swimsuit Swimsuit Top Boutique ZeroXposur Top ZeroXposur Boutique ZeroXposur Boutique 1O6Axwwv|
|Java Persistence API (JPA)|
|Java Contexts and Dependency Injection (CDI)||Two Piece Swimsuit Hula Honey Boutique OHxqZn70A|
|Neiman Neiman Casual Marcus Dress Selling Casual Selling Dress Marcus Java Authentication and Authorization Service (JAAS)||Casual Dress Marcus Marcus Selling Casual Dress Neiman Selling Neiman|
|Java Authorization Contract for Containers (JACC)|
|Java API for RESTful Web Services (JAX-RS)|
|Java API for XML Web Services (JAX-WS)||Cardigan Wool von Boutique Furstenberg Diane rSq0vyTqI|
|Java EE Connector Architecture|
|Java Messaging Service (JMS)||Selling Casual Casual Selling Marcus Neiman Dress Marcus Neiman Dress|
|EclipseLink||Marcus Casual Dress Dress Selling Selling Casual Neiman Marcus Neiman|
|Mojarra||Selling Neiman Dress Casual Dress Marcus Neiman Marcus Casual Selling||Selling Dress Casual Casual Selling Marcus Marcus Dress Neiman Neiman|
TomEE 7 targets JavaEE 7 and implements these specifications (in parenthesis the distibution(s) containing it if not part of the basic packages):
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