Chiya is the fastest (by magnitudes) zero-configuration Java Web Framework based on DI & Adapter pattern and features integrated JDO, AJAX, JQuery plugins, FeedManagement, Webservices and lots on. Idea is to develop application in days, not months.
Object Relational Persistence and Object-Based SQL Query API. Similar to that of Hibernate or JDO but much better structured design. This API has several layers of abstraction to be useful for nearly any situation.
open source UI components data binding framework for Java using JDO.
The linked components are forms, trees and tables and implementations are for Echo web framework, Swing and JSF. Also provides validation support, internationalisation etc
dnauditor is plugin project for JDO implementation Datanucleus. It is a solution to handle audit trail and temporal aspects of JDO. This is a place holder for incubating ideas and sharing code. Will be merged with Datanucleus.org when it gets stable.