Open source transactional distributed database
Toolkit for working with and mapping geospatial data
A Java SQL client for any JDBC compliant database
A powerful, cross platform, SQL database system
Relational Database
An object relational-mapping (ORM) library for Java
Deductive Database with Datalog, SQL, RA, TRC, DRC
Database Subsetter and Relational Data Browser
Database Replication, Filtered Synchronization, and Transformation
Java persistence using JDO, JPA or REST
Financial program
Java Application Framework
DAO for all database server types with the Java POJO code generator
Version Control for your Database