Java Assistant is an on-the-fly class/package browser. It can find sources from a zip/jar file (src.jar) or a path (your development path). The discovery process is dynamic and looks at all the installed classes/packages on a system. It has been designed with simplicity of use and efficiency as its main goals. It now includes a Swing Java source on-the-fly browser. Java Assistant also includes a plug-in interface for decompilers other than mocha.
Java HTML generator is a very simple, yet incredibly versatile HTML generator package for Java. It allows you to easily manipulate complex, nested HTML tags. This package is intended to be used with Java Servlets in conjunction with complex dynamic pages (such as large tables). It is based on the new Java 2 container classes.
JNapster is a Napster client implemented in Java. It allows you to download MP3s over the Internet. It provides a GUI similar to that of the Napster Windows client and has some handy features the original doesn't have: It gets server lists directly from napigator.com and logs you into as many Napster servers as you want, which you can query in parallel.
Java PictDraw is a set of Java classes to display Quickdraw images (Macintosh Pict files). Quickdraw is a meta/vector format that supports lines, circles, arcs, boxes, polygon, styled text, bitmap-based regions, and compressed bitmaps (RLE and JPEG). This package contains all the classes needed to parse a Quickdraw file, and to display into a Java AWT port. Features include the ability to make the text regions of the picture clickable.