Small Open Source Java Tools and Libraries

What is Kickstart4J?

A Java Webstart based Installer and Updater. Check this article for more explanation.

Which license is it under?

GNU Lesser General Public License (LGPL External link)

Which version of Java does it require?

Java 1.4

Is the source code available?

Yes. It's "Open Source"! You can find it here Internal link outside layout.