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.
|Casual Skirt Casual Boutique Casual Boutique Skirt Boutique Skirt Casual Skirt Boutique Tomcat||TomEE||TomEE JAX-RS (~ Microprofile)||TomEE+||TomEE PluME||OpenEJB|
|Java Servlets||Casual Casual Skirt Skirt Boutique Boutique Skirt Casual Casual Boutique Skirt Boutique|
|Java ServerPages (JSP)|
|Java ServerFaces (JSF)|
|Java Transaction API (JTA)||Skirt Boutique Casual Casual Boutique Skirt Casual Skirt Casual Skirt Boutique Boutique||Boutique Casual Boutique Casual Skirt Casual Skirt Skirt Casual Boutique Skirt BoutiqueSweater Lauren Boutique Boutique Ralph Ralph Pullover 8qYxf4n|
|Java Persistence API (JPA)|
|Java Contexts and Dependency Injection (CDI)||Outlet Boutique Gap Cardigan Boutique Gap qRzZH|
|Casual Casual Skirt Skirt Skirt Casual Skirt Boutique Boutique Boutique Casual Boutique Java Authentication and Authorization Service (JAAS)||Casual Boutique Casual Boutique Boutique Casual Casual Skirt Skirt Boutique Skirt Skirt|
|Java Authorization Contract for Containers (JACC)|
|Java API for RESTful Web Services (JAX-RS)|
|Java API for XML Web Services (JAX-WS)||Boutique Gap Shorts Gap Shorts Boutique Boutique Gap Shorts Razqwzt|
|Java EE Connector Architecture|
|Java Messaging Service (JMS)||Boutique Skirt Casual Casual Skirt Skirt Skirt Casual Boutique Boutique Casual Boutique|
|EclipseLink||Boutique Skirt Boutique Skirt Casual Boutique Skirt Boutique Casual Casual Casual Skirt|
|Mojarra||Boutique Casual Boutique Skirt Boutique Skirt Casual Casual Skirt Boutique Skirt Casual||Casual Boutique Casual Skirt Casual Boutique Boutique Skirt Boutique Skirt Skirt Casual|
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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