opensourcewebsolution

YACS is an open source, open-standards web dynamic system based on PHP and MySQL with a focus on best practices and code quality. The YACS product has a straightforward and modular component architecture that covers most common needs of demanding web masters. By design, YACS makes an efficient usage of computing and networking resources, and it allows for several kinds of extensions.

Download: http://www.yetanothercommunitysystem.com/yacs/articles/view.php/download

Frontend Demo: http://demo.opensourcecms.com/yacs/

Admin Demo: http://demo.opensourcecms.com/yacs/users/login.php