Database management in a single PHP file
Adminer - Database management in a single PHP file adminer (formerly phpminadmin) is a full-featured database management tool written in php. conversely to phpmyadmin, it consist of a single file ready to deploy to the target server. adminer is available for mysql, postgresql, sqlite, ms sql, oracle, firebird, simpledb, elasticsearch and mongodb.
A pure PHP library for reading and writing word processing documents
Kint - a powerful and modern PHP debugging tool.
Kint, a debugging tool for PHP powerful and modern var_dump alternative for serious php developers.
PHP's lightweight HTTP client
Zephir is a compiled high level language aimed to the creation of C-extensions for PHP
Zephir Language — Zephir v0.6.3 documentation
Debug bar for PHP
PHP Debug Bar
A small PHP 5.3 dependency injection container
Pimple - A simple PHP Dependency Injection Container pimple - a simple php dependency injection container
ActiveRecord implementation for PHP
PHP ActiveRecord - An easy to use ORM for PHP an easy to use orm for php using the activerecord pattern.
Smart and Readable Documentation for your PHP project
ApiGen | Smart and Readable Documentation for your PHP project api documentation generator
Elastica is a PHP client for elasticsearch
Elastica - Elastica elastica - php client for elasticsearch