jPersist is an extremely powerful object-relational database persistence API that manages to avoid the need for configuration and annotation. jPersist uses JDBC and can work with any database supported by JDBC and any type of connection resource.
Verdantium is an OpenDoc-like compound-document framework, and an open-source alternative to frameworks underlying OpenOffice, StarOffice, Corel Office, and Microsoft Office. Written in JUndo / Java JFC/Swing/Java-2D See http://verdantium.blogspot.com/
This project aims to develop a new GUI design experience with platform independent "Look and Feel".
The aim of a this project is to develop a java library which shall be able to use with any type of software developed in java.