Slim is a PHP micro framework that helps you quickly write simple yet powerful web applications and APIs.

CakePHP: The Rapid Development Framework for PHP - Official Repository

Home of the Joomla! Content Management System

The most popular PHP library for use with the Twitter OAuth REST API.

Simple, modern & fast web-based email client

Fuel PHP Framework v1.x is a simple, flexible, community driven PHP 5.3+ framework, based on the best ideas of other frameworks, with a fresh start! FuelPHP is now fully PHP 8.0 compatible.

Fuel PHP Framework - The core of the Fuel v1 framework

This is the official Symphony CMS repository.

[READ-ONLY] This repo is no longer in active development. Please see https://github.com/joomla/joomla-cms

HOTGLUE is a Content Manipulation System which allows to construct websites directly in a web-browser.