What is EclipseLink?
Eclipse Persistence Services Project (EclipseLink) is a comprehensive persistence framework delivering a set of persistence services based around leading standards with advanced extensions. Consumers can use EclipseLink within Java EE, SE, and OSGi/Equinox environments. The original source contribution for EclipseLink came from Oracle Corporation’s TopLink product. See Introduction to EclipseLink in the EclipseLink User’s Guide for more information.