JoSQL (SQL for Java Objects) provides the ability for a developer to apply a SQL statement to a collection of Java Objects. JoSQL provides the ability to search, order and group ANY Java objects and should be applied when you want to perform SQL-like quer
Scriptella is an open source ETL (Extract-Transform-Load) and script execution tool written in Java. A possible candidate for writing database upgrade scripts.
Cool! Compare with other ORMs that let you hit the DB via method call: KANSAS ORM, SQUIRREL GEM, RUBINIUS GEM, EZ_Where (toy). O'Reilly's Website for Ruby!