edX is a mission-driven, massive open online course (MOOC) provider. We partner with the world’s leading universities and organizations to offer high-quality online courses to learners across the world.
To explore our 3,500+ courses, please visit our course catalog. Courses consist of video and text content, discussion forums, and a number of problem and assessment types. Click on the course you are interested in to see more details and to enroll. You can read more here: Can you help me choose a course?
The majority of edX courses are entirely free to access and most offer an optional paid verified certificate track with graded assignments and the opportunity to work towards a certificate for a fee that varies per course. The Verified track awards a certificate after you successfully pass the course. Verified certificates are a great way to showcase the skills and knowledge you've gained, and can help advance your professional or academic career.