Get clued in to lesser known open source Java projects that can save you time and money -- starting this month with Bernhard Pauler's balloontip project for Swing GUI development.

Open source licenses Each of the open source Java projects covered in this series is subject to a license, which you should understand before integrating the project with your own projects.

The new Java EE security API promises to deliver on features such as app portability across Java EE servers and when using modern programming concepts.

Motorola plans to build an open-source version of Java for gadgets such as mobile phones within the framework of the Apache Software project.