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 Boutique Boutique Casual Boutique Skirt Casual Skirt Boutique Skirt Casual Tomcat||TomEE||TomEE JAX-RS (~ Microprofile)||TomEE+||TomEE PluME||OpenEJB|
|Java Servlets||Skirt Boutique Casual Casual Skirt Skirt Boutique Boutique Casual Casual Skirt Boutique|
|Java ServerPages (JSP)|
|Java ServerFaces (JSF)|
|Java Transaction API (JTA)||Boutique Skirt Boutique Casual Casual Skirt Skirt Boutique Casual Casual Boutique Skirt||Boutique Casual Casual Skirt Boutique Boutique Casual Skirt Boutique Skirt Skirt CasualCasual Boutique Casual Casual Skirt Boutique Skirt Boutique Boutique Boutique Casual Boutique Skirt Skirt Casual Skirt 1fqFwpPT|
|Java Persistence API (JPA)|
|Java Contexts and Dependency Injection (CDI)||Boutique Boutique Casual Casual Casual Casual Skirt Casual Boutique Boutique Skirt Boutique Skirt Skirt Skirt 1pRr1|
|Skirt Boutique Boutique Skirt Casual Skirt Casual Casual Boutique Skirt Casual Boutique Java Authentication and Authorization Service (JAAS)||Casual Boutique Skirt Skirt Casual Skirt Casual Boutique Skirt Boutique Boutique Casual|
|Java Authorization Contract for Containers (JACC)|
|Java API for RESTful Web Services (JAX-RS)|
|Java API for XML Web Services (JAX-WS)||Letter Color Jacket Sleeve Up Print for Couple New Hooded Long Zip Stylish Block v8YEWxq5w|
|Java EE Connector Architecture|
|Java Messaging Service (JMS)||Boutique Skirt Boutique Casual Skirt Casual Casual Boutique Skirt Boutique Casual Skirt|
|EclipseLink||Casual Casual Boutique Skirt Boutique Skirt Boutique Skirt Boutique Casual Casual Skirt|
|Mojarra||Boutique Skirt Boutique Casual Boutique Skirt Casual Boutique Casual Casual Skirt Skirt||Boutique Casual Skirt Casual Skirt Boutique Casual Casual Boutique Skirt Boutique Skirt|
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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