try this free software.
http://moodle.org/
Moodle is a course management system (CMS) - a free, Open Source software package designed using sound pedagogical principles, to help educators create effective online learning communities. ---------- Just found it today. Hope it can help you.
Moodle is a course management system (CMS) - a free, Open Source software package designed using sound pedagogical principles, to help educators create effective online learning communities. ---------- Just found it today. Hope it can help you.