Hibernate Envers – auditing and versioning of persistent classes Hibernate OGM (Object/Grid Mapper) – an extension to store data in a NoSQL store Hibernate Shards – horizontal partitioning for multiple relational databases While Hibernate Shards is not compatible with 4.x releases of Hibernate Core, some of the Shards capability was integrated into Core in the 4.0 release Hibernate Search – integrates the full text library functionality from Apache Lucene in the Hibernate and JPA model Hibernate Tools – a set of tools implemented as a suite of Eclipse plugins and Ant tasks included in JBoss Developer Studio Hibernate Validator – the reference implementation of JSR 303 Bean Validation Hibernate Metamodel Generator – an annotation processor that creates JSR 317 Java Persistence API (JPA 2) static metamodel classes using the JSR 269 Pluggable Annotation Processing API NHibernate – an object–relational mapping solution for the .NET Framework See also List of JBoss software List of object–relational mapping software NHibernate Serialization Service Data Object MySQL Apache Cassandra Spring Framework MyBatis References Bibliography External links Object-relational mapping Java enterprise platform Red Hat software Cross-platform software Persistence frameworks