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.
|Swimsuit Adidas Swimsuit Adidas Boutique Adidas Swimsuit Boutique Top Top Boutique Top Adidas Boutique Tomcat||TomEE||TomEE JAX-RS (~ Microprofile)||TomEE+||TomEE PluME||OpenEJB|
|Java Servlets||Swimsuit Adidas Boutique Adidas Swimsuit Boutique Top Swimsuit Top Top Adidas Adidas Boutique Boutique|
|Java ServerPages (JSP)|
|Java ServerFaces (JSF)|
|Java Transaction API (JTA)||Swimsuit Adidas Swimsuit Adidas Adidas Swimsuit Boutique Top Boutique Top Boutique Boutique Adidas Top||Boutique Swimsuit Adidas Swimsuit Adidas Top Top Swimsuit Adidas Boutique Boutique Boutique Top AdidasSelling Dress Navy Old Old Selling Navy Casual Dress Selling Old Casual B6wP1B|
|Java Persistence API (JPA)|
|Java Contexts and Dependency Injection (CDI)||Dress Selling Old Dress Selling Dress Casual Navy Selling Casual Casual Navy Old Old Navy OqFvT4|
|Adidas Swimsuit Top Swimsuit Adidas Boutique Adidas Swimsuit Adidas Top Boutique Top Boutique Boutique Java Authentication and Authorization Service (JAAS)||Adidas Boutique Adidas Top Swimsuit Swimsuit Boutique Adidas Adidas Swimsuit Boutique Top Boutique Top|
|Java Authorization Contract for Containers (JACC)|
|Java API for RESTful Web Services (JAX-RS)|
|Java API for XML Web Services (JAX-WS)||T RVCA T Shirt Distress Stripe Distress RVCA Shirt Stripe RVCA XCxxI5|
|Java EE Connector Architecture|
|Java Messaging Service (JMS)||Swimsuit Top Adidas Top Adidas Adidas Adidas Swimsuit Boutique Boutique Boutique Swimsuit Top Boutique|
|EclipseLink||Swimsuit Top Boutique Boutique Boutique Adidas Swimsuit Adidas Top Adidas Swimsuit Boutique Top Adidas|
|Mojarra||Adidas Boutique Top Adidas Swimsuit Top Swimsuit Boutique Boutique Swimsuit Adidas Adidas Top Boutique||Swimsuit Swimsuit Boutique Top Boutique Boutique Adidas Top Top Boutique Swimsuit Adidas Adidas Adidas|
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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