OpenXava is a framework to develop AJAX Java Enterprise applications rapidly and easily. Allows you to define applications just with POJOs, JPA and Java annotations. Feature rich and flexible since it's used for years to create business applications with Java.
OpenXava 4.4 has some new interesting features such as:
* Totals, row count and add action in the collection frame when the collection is folded.
* The frames are folded using a slide effect.
* It's possible to filter by range in list and collections.
* Support for Java 7.
And many other useful new features and bug fixes.
See the announcement: