Java Persistent Objects (JPOX)JPOX is a free and fully compliant implementation of the JDO1, JDO2, JDO2.1 and JPA1 specifications, providing transparent persistence of Java objects. It supports persistence to all of the major RDBMS on the market today, persistence to the DB4O object datastore, supporting all of the main Object-Relational Mapping (ORM) patterns demanded by today's applications, allows querying using either J
