Dependency Manager for PHP

Guzzle, an extensible PHP HTTP client

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

The PHP Unit Testing framework.

A pure PHP library for reading and writing spreadsheet files

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

Doctrine Object Relational Mapper (ORM)

Comprehensive mailing tools for PHP

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

Twig, the flexible, fast, and secure template language for PHP

PSR-7 HTTP message library

Promises/A+ library for PHP with synchronous support

Assertions to validate method input/output with nice error messages.

A PHP static analysis tool for finding errors and security vulnerabilities in PHP applications

The Doctrine Persistence project is a library that provides common abstractions for object mapper persistence.

PHP Class for handling Matrices

Lightweight script to compare two database

PHP API for Firebase Cloud Messaging from Google