Moodle - Open Source e-Learning Software     

Moodle (Modular Object-Oriented Dynamic Learning Environment) is an open source e-learning software platform, also known as a Course Management System, Learning Management System, or Virtual Learning Environment (VLE). It has become very popular among educators around the world as a tool for creating online dynamic web sites for their students. To work, it needs to be installed on a web server somewhere, either on one of your own computers or one at a web hosting company.