Free audit access to many short university courses (FutureLearn)

FutureLearn lets learners access many university and specialist short courses for free in 'audit' mode — you can view course content, videos and discussions without paying, though certificates and some assessments require payment. Courses cover subjects from languages and healthcare to business and IT; they are open to anyone worldwide and are suitable for beginners through to more advanced learners. To use the free option, sign up for a free account at https://www.futurelearn.com and choose the 'audit' or free access option when enrolling.