List of O-R Mapping Softwared

Hibernate                                 --------------------------->   from softTree(Red Hat)

iBatis                                        --------------------------->    from Apache Foundation

Toplink                                      --------------------------->   Oracle corporation

OJB(object java bean)               --------------------------->   From Apache Foundation

JDO(java data object)                --------------------------->   From Apache

EJB entity bean                          --------------------------->   From Sun MS(oracle app’n)

Open JPA(java persistence api)  --------------------------->  From SunMS