E-COMMERCE

http://net.tutsplus.com/tutorials/php/how-to-build-a-shopping-cart-using-codeigniter-and-jquery/
http://www.dijexi.com/2009/07/codeigniter-tutorial-creating-accounting-application-part-1-setting-up-the-environment/
http://www.dijexi.com/2009/08/codeigniter-tutorial-creating-accounting-application-part-2-the-application-specification-and-uml-diagrams/
http://www.dijexi.com/2009/08/codeigniter-tutorial-creating-accounting-application-part-3-er-diagram-and-creating-database/

http://www.enfew.com/5-tutorails-on-how-to-create-cms-with-codeigniter-from-scratch/
http://codecanyon.net/item/project-management-application-php-aja
http://mauth.missionsix.net/user_guide