A list of amazingly awesome PHP libraries that you should be using:
- Composer/Packagist - A package and dependency manager.
- Symfony2 - A framework comprised of individual components.
- Zend Framework 2 - Another framework of individual components.
- Symfony2 Components - The components that make Symfony2.
- [Laravel] (https://github.com/laravel/laravel) - A PHP Framework
- [Yii] (https://github.com/yiisoft/yii) - A PHP Framework
- Aura Components - A package of PHP 5.4 components.
- Silex - A micro framework built around Symfony2 components.
- Slim - Another simple micro framework.
- Twig - A comprehensive templating language.
- SwiftMailer - A mailer solution.
- Pimple - A tiny dependency injection container.
- Doctrine - A comprehensive DBAL and ORM.
- Propel - A fast ORM.
- Goutte - A simple web scraper.
- Assetic - An asset manager pipeline library.
- Pipe - Another asset manager pipeline library.
- Imagine - An image manipulation library.
- PHP Image Workshop - Another image manipulation library.
- Monolog - A comprehensive logger.
- Behat - A Behaviour Driven Development framework.
- Mink - Web acceptance testing.
- Buzz - A HTTP client.
- Guzzle - Another HTTP client.
- PHPUnit - A unit testing framework.
- Mockery - A mock object library for unit testing.
- KnpRadBundle - A Symfony2 rapid application development library.
- KnpMenu - A menu library.
- Gaufrette - A filesystem abstraction layer.
- Snappy - A PDF and image generation library (uses WKHTMLToPDF).
- Pagerfanta - A pagination library.
- GeoCoder - A geocoding library.
- Faker - A fake data generator library.
- Spork - A process forking library.
- HTML Purifier - A standards compliant HTML filter.
- PHP CS Fixer - A coding standard fixer library.
- React - An event driven non-blocking I/O library.
- Événement - An event dispatcher library.
- Sami - An API documentation generator.
- Bob - A simple project automation tool.
- JSON Lint - A JSON lint utility.
- PHPAss - A portable password hashing framework.
- PHPSecLib - A pure PHP secure communications library.
- Box - A utility to build PHAR files.
- Wisdom - A library for loading config data.
- GetOpt - A command line opt parser.
- OptParse - Another command line opt parser.
- Commando - Another simple command line opt parser.
- TCrypto - A simple encrypted key-value storage library.
- Tala Payments - A payment processing library.
- Ruler - A simple stateless production rules engine.
- Carbon - A simple DateTime API extension.
- Upload - A library for handling file uploads and validation.
- Phalcon PHP - A high performance C extension framework.
- Yaf - A PECL extension framework.
- HomeBrew - A package manager for OSX.
- HomeBrew PHP - A PHP tap for HomeBrew.
- PHP Env - A PHP version manager.
- PHP Build - A PHP version installer.
- PHP Parser - A PHP parser written in PHP.
- PHP The Right Way - A PHP best practice quick reference guide.
- PHP Best Practices - A PHP best practice guide.
- PHP Security - A guide to PHP security.
- PHP Standards Working Group - The PHP standards working group.
- Easy Package Management with Composer - A Composer tutorial by Phil Sturgeon.