As per Wikipedia, “Moodle (acronym for Modular Object-Oriented Dynamic Learning Environment) is one of the most popular ‘free’ software e-learning platform (Learning Management System), or Virtual Learning Environment (VLE). As of June 2013 it had a user base of 83,008 registered and verified sites, serving 70,696,570 users in 7.5+ million courses with 1.2+ million teachers.” So, yes the stats shows the tremendous amount of user base and faith Moodle has built in the last 15 years of its conception. Moodle is used by various kinds of users: