# SQL Injection Cheat Sheet has a section on PHP and MySQL vulnerabilities.

# PhpDelicious is a PHP 5 library for accessing the del.icio.us API. It combines data from the main REST and JSON APIs and presents a consolidated interface.

# Maps of file includes in various PHP frameworks and applications.

# BOSS is a new, open platform that offers access to the Yahoo! Search index via an API. BOSS allows developers to take advantage of Yahoo!’s production infrastructure and technology, combine that with their own assets, and create their own search experiences.

# Thord employs a set of CSS classes that can be easily mixed together to position elements in a design, from columns to images.