Domain Object Explorer is a desktop application that auto-generates the user interface for your JPA / EJB3 entity beans.
NoORM is a Java open source project providing code generators and a runtime library to simplify and automate access to relational data residing in an Oracle database. NoORM follows a consequent database-centric approach. Any business logic represented in SQL queries is expected to be provided in PL/SQL stored procedures. NoORM can generate the required Java code for Java Beans, Java Enums and Java Services to exploit the power of Oracle to Java applications.