Compuware OptmalJ: Generates J2EE applications from UML models.
CrazyBeans: An extensible framework to generate code or to read, modify, analyze and create models in RationalRose's petal format.
DreamBeans: A fully visual (iconic) RAD and prototyping tool that generates Java Servlets without writing any code. By Konsensys.
Foundation Layer: the OO CASE tool for automatic generation of business objects code. An automatically generated code supports all the life cycle operations for persistent (business) objects. The FL supports the persistence of business objects over a database. It support mapping to DB2, Microsoft Access, ORACLE, Microsoft SQL Server. [Freeware]
Modelistic: CASE tool supporting Java. [Commercial]
Together: A product for OO modeling (Java, C++ and Corba) and supports the creation and deployment of Enterprise JavaBeans to a variety of application servers.
Velatte: Rapid application development tool for Business Analysts based on J2EE. [Commercial]
Wonder Machine: Generates J2EE applications from UML domain models and existing database schemas. [Commercial]