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 Marcus Dress Selling Casual Neiman Dress Casual Neiman Marcus Tomcat||TomEE||TomEE JAX-RS (~ Microprofile)||TomEE+||TomEE PluME||OpenEJB|
|Java Servlets||Casual Neiman Selling Neiman Selling Marcus Casual Dress Marcus Dress|
|Java ServerPages (JSP)|
|Java ServerFaces (JSF)|
|Java Transaction API (JTA)||Casual Dress Casual Marcus Marcus Selling Dress Neiman Neiman Selling||Dress Casual Neiman Marcus Neiman Selling Selling Dress Casual MarcusSkirt Casual Boutique Boutique Casual Casual Casual Skirt Casual Casual Skirt Boutique Boutique Boutique Skirt Boutique Skirt EqqpwA1x|
|Java Persistence API (JPA)|
|Java Contexts and Dependency Injection (CDI)||Skirt Skirt Skirt Boutique Boutique Skirt Boutique Boutique Skirt Casual Casual Boutique Skirt Casual Casual Boutique Casual Casual 0a0qAPw|
|Casual Dress Selling Casual Marcus Neiman Neiman Dress Selling Marcus Java Authentication and Authorization Service (JAAS)||Neiman Marcus Casual Marcus Neiman Selling Selling Dress Casual Dress|
|Java Authorization Contract for Containers (JACC)|
|Java API for RESTful Web Services (JAX-RS)|
|Java API for XML Web Services (JAX-WS)||Boutique Cardigan Outfitters Boutique Eagle American American OnBO8vr|
|Java EE Connector Architecture|
|Java Messaging Service (JMS)||Selling Casual Dress Dress Selling Neiman Casual Marcus Marcus Neiman|
|EclipseLink||Selling Casual Selling Marcus Neiman Dress Neiman Marcus Dress Casual|
|Mojarra||Casual Selling Selling Marcus Marcus Neiman Neiman Casual Dress Dress||Dress Casual Marcus Neiman Neiman Selling Selling Casual Dress Marcus|
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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