Middlegen is a free general-purpose database-driven code generation engine based on JDBC, Velocity, Ant and XDoclet. If you already have a database, you can use Middlegen to generate EJB (CMP 2.0), Hibernate, JDO and JSP/Struts source code.
This Eclipse plugin makes easy and fast to develop transaction applications in Java using JDO drivers. This tool integrates the JDO enhance command in JDT building process.
Given a set of classes, Struts-Genie generate a complete Object Oriented dynamic web application built with Java Struts, Tiles, JSP ... and Java Data Object (JDO) for object persistence management. Easy to use, to extend and to customize