Tarzan is a fast, powerful PHP toolkit for building web applications with Amazon Web Services.

The PHP Toolkit provides a set of scripts that faciliatate the integration of PayPal into an ecommerce service. It provides scripts that generate a PayPal form dynamically as well as scripts to process Instant Payment Notifications.

An object-oriented PHP5 framework engineered to integrate easily with the Website Payments Pro API from Paypal.

WSO2 Web Services Framework for PHP (WSO2 WSF/PHP), is an open source, enterprise grade, PHP extension for providing and consuming Web Services in PHP.