SQL Injection Cheat Sheet : Samples are provided to allow reader to get basic idea of a potential SQL Injection attack and almost every section includes a brief information about...
idiomatic.js : Principles of Writing Consistent, Idiomatic JavaScript
Text_Highlighter : Provides functionality to perform syntax highlighting for different file formats.
amphp : Amp is a non-blocking concurrency framework for PHP providing primitives to manage concurrency such as an event loop, promises, and asynchronous itera...
PrePostPrint : PrePostPrint highlights experimental publications made with free software.
This is a collection of known design patterns and some sample code how to implement them in PHP. Every pattern has a small list of examples (most of them from Zend Framework, Symfony2 or Doctrine2 as I'm most familiar with this software).