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 comprised of individual components.
- Symfony2 Components - The components that make Symfony2.
- Aura Components - A package of PHP 5.4 components.
- Illuminate Components - The components that make the upcoming Laravel 4 framework.
- 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.
- Auryn - Another dependency injection container.
- Doctrine - A comprehensive DBAL and ORM.
- Doctrine Migrations - A migration library for Doctrine.
- 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.
- GIF Frame Extractor - A library to extract GIF animation frame information.
- GIF Creator - A library to create GIF animations from multiple images.
- 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.
- RunkitTestCase - A library for creating PHPUnit test cases that use runkit.
- PHPSpec - A design by specification unit testing library.
- Mockery - A mock object library for unit testing.
- Phake - Another mock object library for unit testing.
- 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.
- React - An event driven non-blocking I/O library.
- Événement - An event dispatcher library.
- FuelPHP Event - Another event dispatcher library.
- Sami - An API documentation generator.
- Bob - A simple project automation tool.
- Phake - A rake PHP clone library.
- 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.
- Sismo - A continuous testing server library.
- Fetch - An IMAP library.
- Lex - A lightweight template parser.
- Sslurp - A library that makes dealing with SSL suck less.
- Composition - A library to check your Composer environment at runtime.
- Entities - A Doctrine ORM service provider for Silex.
- Elf - A collection of helpers for the Symfony Console component.
- Amend - A Symfony Console helper and command set for updating and upgrading applications.
- Doctrine Extensions - A collection of Doctrine behavioural extensions.
- Color Jizz - A library for manipulating and converting colours.
- Poser - A Composer class aliasing library.
- Version - A parsing and comparison library for semantic versioning.
- Respect Validate - A simple validation library.
- BCrypt - A BCrypt password hashing library.
- ShellWrap - A simple command line wrapper library.
- Streamer - A simple object-orientated stream wrapper library.
- Cron Expression - A library to calculate cron run dates.
- OPAuth - A multi-provider authentication framework.
- Ratchet - A web socket library.
- Alice - An expressive fixture generation library.
- 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 CS Fixer - A coding standard fixer library.
- 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.
- Composer and Namespaces in Five Minutes - A Composer namespace tutorial by Juan Treminio.