PHP port of Underscore.js
Underscore.php underscore.php is a php port of the popular underscore.js library
li₃ is the fast, flexible and most RAD development framework for PHP
The most RAD framework for PHP – li3 li3 is the first and only major php framework built from the ground up for php 5.3+, and the first to break ground into major new technologies.
Formerly rhumsaa/uuid. A PHP 5.3+ library for generating RFC 4122 version 1, 3, 4, and 5 universally unique identifiers (UUID).
Ben Ramsey: ramsey/uuid a php 5.4+ library for generating rfc 4122 version 1, 3, 4, and 5 universally unique identifiers (uuid).
A simple Atom/RSS parsing library for PHP
SimplePie: Super-fast, easy-to-use, RSS and Atom feed parsing in PHP. a super-fast, easy-to-use, rss and atom parser written in php.
class for logging PHP variables to Google Chrome console
Chrome Logger - Server side application debugging a google chrome extension for debugging server side applications in the chrome console.
PHP Thumbnail & Image Manipulation Library
SpecBDD Framework for PHP
phpspec
A Chainable, REST Friendly, PHP HTTP Client. A sane alternative to cURL.
Httpful: The REST Friendly PHP HTTP Client Library httpful is a simple, chainable php library intended to make speaking http painless and interacting with rest apis a breeze. it includes built-in smart parsing, clean custom header support, basic and client side cert authentication, payload serialization and more.
PHP Secure Communications Library
phpseclib: pure PHP implementations of SSH, SFTP, RSA and X.509 easy to use, easy to install, actively maintained and actively supported, phpseclib is the best way to utilize ssh, sftp, rsa and x.509 in php