- Moodle is an open-source learning management system (LMS) originally created by Martin Dougiamas in 2002. - It allows users to create online courses with forums, assignments and other tools. Moodle is widely used by educators around the world and has an active online community for support. - The document discusses various implementations of Moodle, including its use at universities and colleges for online and blended learning. It also describes some integrations with other platforms like Second Life and for mobile learning.