ownCloud provides universal access to your files via the web, your computer or your mobile devices — wherever you are.
MyBB is the free and open source forum software powering thousands of engaging, powerful, and unique communities across the internet.
Guzzle is a PHP HTTP client and framework for building RESTful web service clients
Community-based GPL-licensed network monitoring system
CakePHP is a rapid development framework for PHP which uses commonly known design patterns like Active Record, Association Data Mapping, Front Controller and MVC.
Simple Machines Forum — SMF in short — is a free, professional grade software package that allows you to set up your own online community within minutes.
An easy-to-read, quick reference for PHP best practices, accepted coding standards, and links to authoritative tutorials around the Web.
The goal of the Sonata Project is to provide an e-commerce framework solution based on the Symfony2 framework.
An open source eCommerce plugin for WordPress created by WooThemes.
Codeception is a full-stack testing framework which incorporates acceptance, functional, and unit testing. It uses a simple PHP DSL to describe test scenarios and includes over 20 modules
Silverstripe is an OpenSource CMS built for developers
Ninja Forms is a form creation framework for WordPress.
concrete5 is a PHP based CMS featuring in-context editing, page versions and advanced permissions.
A pure PHP library for reading and writing presentations documents