Which is the most Complete, Stable, Reliable JPA 2.0(JSR-317) implementation(Open Source and Public Licence) available, EXCEPT HIBERNATE?
As of now the motivation to import such an implementation is mostly academic, however going forward I would prefer using the same implementation for project work.
Also I'd like to know, how complete is Hibernate's implementation of JPA 2.0(JSR-317)?
What are the salient differences between the 2?
Some official documentation reference(especially for the differences) would be much appreciated.