PEAR - PHP Extension and Application Repository » What is it? PEAR is a framework and distribution system for reusable PHP components.
Why use phpDocumentor What is phpDocumentor? phpDocumentor 2 is a tool that makes it possible to generate documentation directly from your PHP ...
Ratchet is a PHP WebSocket library for serving real-time bi-directional messages between clients and server
PHP class using GD library to manage images: you can resize, crop, rotate, watermark, create thumbnails...
Hoa is a modular, extensible and structured set of PHP libraries. Moreover, Hoa aims at being a bridge between industrial and research worlds.
PHP-CPP is a C++ library for developing PHP extensions. Use and extend PHP-CPP's well documented and easy to use classes to build native extensions for PHP.
The almost missing Geocoder PHP library! View the Project on GitHub geocoder-php/Geocoder.