google class

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.

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

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

Easily extract data from microsoft excel files using this wrapper class for xlrd

This class provides thunk-like behavior in standard Python.

A class that carries out Principal Component Analysis (PCA).