PHP strong authentication library, web interface & CLI, OATH certified
PHP SDK to connect with Easy Email Verification API and validate email
Free Lock Manager
A simple integration of Authorize.net SIM API in PHP
Extract the TLD of any, world wide, URI.
Wrappers for ImageMagick for PHP for true object oriented scripting
Lightweight PHP framework
Myth Framework Core Libraries (part of MythSDP)
Uniform Database Abstraction for PHP Development
PHP Role Based Access Control library
Catch-a spammer with a CAPTCHA.
A Twitter library in multiple programming languages
Scaffolding for MVC webapp with authorization in PHP
PHP powerful tool for sending e-mails fast and easily
A PHP implementation of the HTTP Digest model.
PHP as dotNET
The First Dual AS3/PHP Library