Content management system based on PHP and MySQL. Powerful yet simple CMS for all. Comprehensive functionality. Pricing seems to be reasonable for the small company. Easy to install and user friendly.  Available only for All IDX Web Designs Clients. Contact IDX Web Designs and Request a quote

2.) Joomla by Wilco Jansen

An award-winning content management system (CMS), which enables you to build Web sites and powerful online applications. Many aspects, including its ease-of-use and extensibility, have made Joomla the most popular Web site software available. Best of all, Joomla is an open source solution that is freely available to everyone.

3.) WordPress by Ryan Boren

State-of-the-art publishing platform with a focus on aesthetics, web standards, and usability. WordPress is both free and priceless at the same time.
More simply, WordPress is what you use when you want to work with your blogging software, not fight it.

4.) Soholaunch

An easy-to-use website creation tool to help you build, maintain, and manage your personal or business website. It runs right from your website, making it easy to take shopping cart orders online, create forms, and edit site pages from any computer in the world!

5.) Drupal

A free software package that allows an individual or a community of users to easily publish, manage and organize a wide variety of content on a website. Tens of thousands of people and organizations are using Drupal to power scores of different web sites