OpenXava is an AJAX Java Framework for Rapid Development of Enterprise Web Applications.
In OpenXava you only have to write the domain classes in plain Java to get a web application ready for production.

OpenXava 4.8 has many new interesting features such as:
* Nested actions in a drop-down menu in the button bar, by means of subcontrollers.
* Many new improvements in 'My reports'.
* Improvements in list mode.

Look the complete announcement at: