GWTApp provides several features like: HTML templating and messaging at runtime without application recompiling, MetaField to auto bind and simulate annotation of RPC data fields, Strong typing in MVC, Modular structure in Maven.
The J2XB project aims at offering seamless Java and XML integration defined in Java. J2XB is special in that no Javacode generation is involved. J2XB transform the development of Java and XML binding from Javacode generation to XML Schema generation.
JDBL is a simple and flexible layer for moving data between Java objects and a relational database. It allows for direct, elegant use of SQL without the tedium of JDBC.