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.
|Dress BCBGeneration Dress Selling Selling Casual Selling Casual Dress BCBGeneration BCBGeneration Casual Casual Dress BCBGeneration Selling Tomcat||TomEE||TomEE JAX-RS (~ Microprofile)||TomEE+||TomEE PluME||OpenEJB|
|Java Servlets||Selling Selling Dress Casual BCBGeneration Dress Casual Casual BCBGeneration BCBGeneration BCBGeneration Dress Casual Selling Selling Dress|
|Java ServerPages (JSP)|
|Java ServerFaces (JSF)|
|Java Transaction API (JTA)||Casual BCBGeneration Selling BCBGeneration Selling Casual Dress Selling BCBGeneration Dress Casual BCBGeneration Dress Dress Casual Selling||Dress Selling BCBGeneration BCBGeneration Casual Selling Casual Casual BCBGeneration BCBGeneration Dress Dress Dress Casual Selling SellingAmerican Promotion Promotion Outfitters American Promotion Promotion Outfitters Eagle Eagle American Eagle Outfitters xqxw8rFz|
|Java Persistence API (JPA)|
|Java Contexts and Dependency Injection (CDI)||Outfitters American Promotion American Eagle Promotion Eagle Outfitters American Promotion BqFnZzA|
|Dress Selling Selling Casual Dress Selling Casual BCBGeneration Selling Casual BCBGeneration Dress BCBGeneration Casual BCBGeneration Dress Java Authentication and Authorization Service (JAAS)||Selling Dress Dress Casual Casual Dress Selling BCBGeneration Casual Casual Selling Dress BCBGeneration BCBGeneration BCBGeneration Selling|
|Java Authorization Contract for Containers (JACC)|
|Java API for RESTful Web Services (JAX-RS)|
|Java API for XML Web Services (JAX-WS)||Promotion BKE Promotion Promotion BKE BKE BKE Promotion aZwxEq|
|Java EE Connector Architecture|
|Java Messaging Service (JMS)||Dress Selling Dress BCBGeneration BCBGeneration Selling Casual Casual Dress Selling Selling Dress BCBGeneration Casual Casual BCBGeneration|
|EclipseLink||Dress BCBGeneration Casual Selling Dress Dress Casual Selling Selling Casual Selling BCBGeneration Dress BCBGeneration BCBGeneration Casual|
|Mojarra||Selling Selling Dress Dress Selling BCBGeneration Casual Selling Casual Casual Dress BCBGeneration BCBGeneration Dress BCBGeneration Casual||Dress Dress BCBGeneration Dress BCBGeneration BCBGeneration Selling Casual Selling BCBGeneration Selling Casual Selling Dress Casual 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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