google class

Image viewer (very high quality viewer class with many differents view modes)

Java Class library for creating PDFs with Reader and Digital Signatures

This class can detect if a visitor uses a proxy server

how you can use the Snoopy class for doing HTTP requests to other websites.

HTTP/CGI GET/POST java class library

A PHP class that can generate a code valid for a limited time.

This class can be used to extract files and directories from ZIP archives.

This class can be used to retrieve and alter remote Web pages.

uuencode/uudecode - A class to uuencode and uudecode data.

Java source and compiled class files to run on your own machine