These five courses from the University of Pennsylvania are free to audit. Financial aid is also available.
Foundations of Positive Psychology Specialization -- Coursera
(To audit a course, go to the individual course. Click "Enroll." Then click the "Audit the course" link located under the free trial offer.)
Foundations of Positive Psychology Specialization -- Coursera
(To audit a course, go to the individual course. Click "Enroll." Then click the "Audit the course" link located under the free trial offer.)