MyBB is a powerful, efficient and free forum package developed in PHP and MySQL. MyBB has been designed with the end users in mind, you and your subscribers. Full control over your discussion system is presented right at the tip of your fingers.
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.
WordPress is a state-of-the-art semantic personal publishing platform with a focus on aesthetics, web standards, and usability. More simply, WordPress is what you use when you want to work with your website software, not fight it.
XOOPS is a program that allows administrators to easily create dynamic websites with great content and many outstanding features. It is an ideal tool for developing small to large dynamic community websites, intra company portals, corporate ...
Jaws is a Framework and Content Management System for building dynamic web sites. It aims to be User Friendly giving ease of use and lots of ways to customize web sites, but at the same time is Developer Friendly.
OpenCart is an open source PHP-based online shopping cart system. A robust e-commerce solution for Internet merchants with the ability to create their own online business and participate in e-commerce at a minimal cost.