Kodo Jdo

Kodo JDO is a high-performance implementation of the Java Data Objects (JDO) standard. It features:

300+ customers in a variety of industries
Full JDO 1.x compliance with greatest support for optional features
Most features of the upcoming JDO 2 specification
Access to relational databases via JDBC
Ability to integrate with non-JDBC stores
Support for and tested against Oracle, Sybase, DB2, SQLServer, PostgreSQL, MySQL, Hypersonic, PointBase, Informix, and others
Performance Pack includes Distributed Cache for very high-performance clusters, Batched Statements, Prepared Statement Pooling, Custom Fetch Groups, Custom Lock Groups, etc
Query extensions capability
JCA support - tested against Weblogic, Websphere, JBoss, Borland Enterprise Server, SunONE A/S
IDE support - tested against JBuilder, Eclipse, WSAD, SunONE Studio, Netbeans