DataNucleus AccessPlatform : A standards-compliant Java persistence product

DataNucleus AccessPlatform is a standards-compliant Java persistence product. It is fully compliant with the JDO1, JDO2, JDO2.1, JDO2.2, JDO3, JPA1, and JPA2 Java standards, and provides a REST API. It complies with the OGC Simple Feature Spec for persistence of geospatial Java types. It allows access to all popular RDBMS available today, together with db4o, LDAP, NeoDatis, JSON, Excel/ODF spreadsheets, XML, BigTable, and HBase databases.

• Licenses : Apache 2.0
• Implementation : Java, JPA, JDO, REST

Ujorm : An easy-to-use, quick ORM solution for Java with a small footprint

Ujorm is an easy-to-use, quick ORM solution for Java with a small footprint. Some of its features are type safe parameters in queries, relation mapping by Java code rather through proxy objects or entity states, and a memory overloading protection cache.

• Licenses : Apache 2.0
• Operating Systems : OS Independent
• Implementation : Java 5

DataNucleus Access Platform : A standards-compliant Java persistence product

DataNucleus Access Platform is a standards-compliant Java persistence product. It is fully compliant with the JDO1, JDO2, JDO2.1, JDO2.2, JDO2.3, and JPA1 Java standards, and provides a REST API. It complies with the OGC Simple Feature Spec for persistence of geospatial Java types. It allows access to all popular RDBMS available today, together with db4o, LDAP, NeoDatis, JSON, Excel/ODF spreadsheets, XML, BigTable, and HADOOP databases.

• Licenses : Apache 2.0
• Implementation : Java, JPA, JDO, REST