Khan Academy
Focus: maths, science and non-profit. Shares online courses and education with edX. A website, not a course. Free (edX: Freemium). Rated 4.8 (edX: 4.6).
Course
Online courses from leading universities, many free to audit.
Rating
4.6 / 5
Pricing
Freemium
Difficulty
Beginner
Works on
Web, iOS, Android
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edX hosts online courses from universities and institutions such as Harvard, MIT and Berkeley, across subjects from computer science to business and humanities. Many courses can be audited for free with access to the course material, while verified certificates, degrees and some programmes are paid.
Learners who want structured courses from well-known universities.
People who prefer short, informal video tutorials.
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