Concrete5 is a content management system (CMS) for publishing content on websites and intranet systems.
Concrete5 was designed for ease of use, for users with a minimum of technical skills.
It enables users to edit content directly from the page.
Opencart is an open source shopping cart (eCommerce) platform with thousands of extensions and themes.
It is hugely popular, simple to use and has great performance.
Slim is a PHP micro-framework that helps you quickly write simple yet powerful web applications and APIs.
Twig is a flexible, fast, and secure template language for PHP
Twig uses a syntax similar to the Django and Jinja template languages which inspired the Twig runtime environment.
A library to generate images to "Completely Automated Public Turing test to tell Computers and Humans Apart"
Monolog sends your logs to files, sockets, inboxes, databases and various web services.
Provides session management functionality, including lazy session starting, session segments, next-request-only ("flash") values, and CSRF tools.
RedBeanPHP is an easy to use ORM tool for PHP.
HTML Purifier is an HTML filtering solution that uses a unique combination of robust whitelists and agressive parsing to ensure that not only are XSS attacks thwarted, but the resulting HTML is standards compliant.
Particle\Validator is a small and elegant validation library, with an extremely clean API which makes validation fun!