PHPerl links a Perl interpreter into the PHP3/4 module for Apache. It provides a PHP
API for managing Perl interpreters and evaluating Perl expressions, plus a package of
Perl subroutines to assist in executing Perl packages in PHP context.
An OpenSource generator of "Turing images" (also known as "CAPTCHA") which explores the use of different mathematical models like fractals, noise generation and the Fibonnaci sequence, rarely used in this field.
The webmail project supports one common web mail system that can simply be deployed with apache+php environment running on linux platform,and support any of the standard pop/smtp mail server.
A dynamic server-side engine for easy, compiled web applications. OSP = Open Server Pages. Initially it's an apache plugin supporting only C++ (C++ Server Pages) but it theoretically can expand beyond both of those things.