Top 10 open source PHP-based CMS users by rating

A content management system (CMS) is a computer application used to create, edit, manage, and publish content in a consistently organized fashion. CMSs are frequently used for storing, controlling, versioning, and publishing industry-specific documentation such as news articles, operators' manuals, technical manuals, sales guides, and marketing brochures. The content managed may include computer files, image media, audio files, video files, electronic documents, and Web content.

1. Joomla 1.6
Joomla! is one of the most powerful Open Source Content Management Systems on the planet. It is used all over the world for everything from simple websites to complex corporate applications. Joomla! is easy to install, simple to manage, and reliable.

2. Concrete5 5.4.1.1
Concrete5 is simple for site owners to use, and powerful for site developers to work with. You owe it to yourself to check out C5.

3. Redaxscript 0.3.2
Redaxscript is a free, PHP and MySQL driven website engine for small business and private websites. It's ultra lightweight, simple and customizable.

4. MODx 2.0.7-pl
MODx is an open source CMS that helps you take control of your website. It makes updates easy, empowering end-users with as much control as you desire over website content and update frequency.

5. Drupal 7.0
Drupal is a free software package that allows anyone to easily publish, manage and organize a wide variety of content on a website. Hundreds of thousands of people and organizations are using Drupal to power an endless variety of sites.

6. CMS Made Simple 1.9.2
CMS Made Simple is an open source (GPL) package, built using PHP that provides website developers with a simple, easy to use utility to allow building small-ish (dozens to hundreds of pages), semi-static websites.

7. Contao Open Source CMS 2.9.2
Contao Open Source CMS (fka TYPOlight) is a powerful web content management system for people who want a professional internet presence that is easy to maintain. It was developed by Leo Feyer in 2006 and has been released under GNU/LGPL.

8. PHP-Fusion 7.01.03
PHP-Fusion is a light-weight open-source content management system (CMS) written in PHP4. It uses a mySQL database to store your site content and includes a simple yet comprehensive adminstration system.

9. Kryn.cms Beta 0.8
Kryn.cms is a revolutionary redefinition of content-managment-systems. Working with Kryn.cms is like working with your computer. The desktop environment gives you a familiar feeling from the moment you start working with it.

10. synType CMS V.0.12.2
synType CMS is a free open source Web Content Management System. synType CMS is fast, secure, stable and easy to learn. It provides many tightly integrated features out of the box, where other systems require external modules you may even have to pay for.

http://en.wikipedia.org/wiki/Content_management_system
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