GORM for Grails
Hibernate
The original implementation of GORM, GORM for Hibernate provides all the goodness of GORM for SQL databases.
- Documentation - API
GORM 5 - A powerful Groovy-based data access toolkit for the JVM
GORM is the data access toolkit used by Grails and provides a rich set of APIs for accessing relational and non-relational data including implementations for Hibernate (SQL), MongoDB, Neo4j, Cassandra, Redis and an in-memory ConcurrentHashMap for testing.
MongoDB
Built on the MongoDB Java Driver GORM for MongoDB includes features like Geospatial querying, Text search and Schemaless access etc.
- Documentation - API
Neo4j
Built for Neo4j 2.3 and above, GORM for Neo4j allows you to map your objects into the Neo4j graph node space.
- Documentation - API
Cassandra
Built for managing massive amounts of data in the cloud. GORM for Cassandra lets you map your objects to Cassandra tables.
- Documentation - API
Redis
GORM for Redis allows you to map Groovy objects to Redis hashes
- Documentation - API
Developer Guide
Want to develop your own implementation of GORM? Checkout the developer guide
- Documentation - API