Moodle is the world’s most popular and most used learning management system. It’s easy to see why. The Moodle Learning Management System (LMS) is a flexible, open source and free to download learning management solution. With 100 million users (and growing) and over 100,000 Moodle sites deployed worldwide, this user-friendly eLearning platform serves the learning and training needs of all types of organizations in more than 225 countries worldwide.