Moodle is a free and open-source learning management system (LMS) that provides many customizable features at a low cost. It can be used for online courses, training programs, discussion groups, and more. The document discusses how Moodle was implemented at SUNY Delhi College of Technology and the benefits it has provided compared to their previous commercial LMS, including lower costs, greater customization, easier use for both faculty and students, and a supportive user community.