ZenCart is an open source online store management system. It is PHP-based, using a MySQL database and HTML components. Providing support for many languages and currencies, it is available for free.

WordPress is now a full-fledged content management system with a lot of supporting plugins and it also continues to be a powerful blogging tool. It uses the PHP and MySQL technologies.

Joomla! is a free, open source content management system for publishing content on the world wide web and intranets. Joomla! includes features such as page caching to improve performance.

CMS is a free, open source content management system for publishing content on the world wide web and intranets. CMS includes features such as page caching to improve performance.

Drupal is a free and open source modular framework and content management system (CMS) written in the programming language PHP. Drupal, like many modern CMSs, allows the system administrator to create and organize content.

Php-Nuke is a popular Internet forum package written in the PHP programming language. The name "phpBB" is an abbreviation of PHP Bulletin Board. Available under the GNU General Public License, phpBB is free software.

ELGG makes it possible for all to create an online social environment through its blogging, micro-blogging, networking, file sharing. It is a open source social networking software.

e107 is a content management software that uses PHP and MySQL. It is feature rich and hence provides plenty of options and tools

osCommerce is an online e-commerce shop solution that offers a wide range of out-of-the-box features that all-ows online stores to be setup fairly quickly with ease, and is available or free as an Open Source

Tiki Wiki is a CMS with many built-in features and functions. The feature list is large enough to meet most of your requirements.

CodeIgniter is a powerful PHP framework with a small footprint, built for those who required a simple, yet elegant toolkit to build fully-featured web applications. It requires nearly zero configuration, with no restrictive coding rules, and offers simple solutions to complex application requirements.

CakePHP enables you to build web applications faster, using code generation features to rapidly build prototypes. There is no complicated configuration, just setup your database and you're ready to go.

Symfony is a full-stack framework, a library of cohesive classes written in PHP. It provides an architecture, components and tools for developers to build complex web applications faster. Choosing symfony allows you to release your applications earlier, host and scale them without problem, and maintain them over time with no surprise.

PRADO is a component-based and event-driven programming framework for developing Web applications in PHP 5. PRADO stands for PHP Rapid Application Development Object-oriented.

Zend Framework 2 is an open-source framework for developing web applications, using object-oriented code. The components in the standard library form a powerful an extensible framework when combined, offering a robust, high performance MVC implementation.

Yii is a high-performance PHP framework which has powerful caching support and is explicitly designed to work efficiently with AJAX. Security is important, and that's why Yii includes input validation, output filtering, SQL injection and Cross-site scripting prevention. As Yii follows the MVC pattern, it helps you develop clean and reusable code

PHPDevShell is an Open Source (GNU/LGPL) Rapid Application Development framework written using only PHP with no Javascript and comes with a complete GUI admin interface. It is aimed at developing admin based applications as plugins, where speed, security, stability and flexibility are essentials. It is designed to have a very easy learning curve without complicated new terms to learn. The need for a light, fully functional GUI with limitless configuration brought forward PHPDevShell

The Akelos PHP Framework is a web application development platform based on the MVC (Model View Controller) design pattern. Based on good practices, i