Big Sack: A lightweight Java Key/Value store with undo and disk cache.
Automatic Database Migration Tool
Simple persistent framework
Convert MySQL dumps into PostgreSQL dumps
RMS is created in Java and still not completed, still working on it.
SqlObjects - SQL library for Java
management of fencing tournaments
Fast and simple Java client for Redis datastore
Java Library for backing up MySQL Databases.
A GUI tool for converting schema and migrating data from RDB to HBase
JDBC Network Driver