The Symfony PHP framework

Dependency Manager for PHP

Faker is a PHP library that generates fake data for you

Guzzle, an extensible PHP HTTP client

Sends your logs to files, sockets, inboxes, databases and various web services

The PHP Unit Testing framework.

A PHP parser written in PHP

Yii 2: The Fast, Secure and Professional PHP Framework

A pure PHP library for reading and writing spreadsheet files

Abstraction for local and remote filesystems

Loads environment variables from `.env` to `getenv()`, `$_ENV` and `$_SERVER` automagically.

A tool to automatically fix PHP Coding Standards issues

Effective June 1, 2021: Phabricator is no longer actively maintained.

Doctrine Inflector is a small library that can perform string manipulations with regard to uppercase/lowercase and singular/plural forms of words.

Base library for a lexer that can be used in Top-Down, Recursive Descent Parsers.

The PHP deployment tool with support for popular frameworks out of the box

High performance, full-stack PHP framework delivered as a C extension.

PHP_CodeSniffer tokenizes PHP files and detects violations of a defined set of coding standards.

Instant Upgrades and Automated Refactoring of any PHP 5.3+ code

Eases the creation of beautiful and testable command line interfaces

Comprehensive mailing tools for PHP

Goutte, a simple PHP Web Scraper

A PSR-5 based resolver of Class names, Types and Structural Element Names

Event-driven, non-blocking I/O with PHP.

Library that provides collection, processing, and rendering functionality for PHP code coverage information.