Eden is a PHP library designed for rapid prototyping, with less code. Yes, Really.
Ever thought about doing a Facebook+Twitter+Google mashup? How about integrating that with PayPal? Is setting up shipping options in your cart a pain? Adding different libraries form different sources add more complexity to your project and ends up to be hard to maintain. Eden simply a set of reusable components, that works with any PHP framework and CMS. Eden makes code logical and readable with dead simple syntax. Eden works with major players including:
http://www.eden-php.com/
Ça ferais un bon tutoriel =)
zkiller