Oracle TopLink delivers a proven standards based enterprise Java solution for all of your relational and XML persistence needs based on high performance and scalability, developer productivity, and flexibility in architecture and design.
Oracle TopLink delivers JPA through the inclusion and redistribution of open source JPA implementations developed and maintained with the involvment of Oracle committers. Oracle TopLink is a leader in the JPA community delivering the JPA reference implementation with TopLink Essentials and now having developed the JPA reference implementation with EclipseLink.