Academic Earth offers free online courses, lectures, and videos from the best colleges in the country. Take online classes from schools like Yale, MIT and Stanford.
Alison offers free online courses that, with some that offer free certifications.
Coursera provides both free university courses through schools like MIT and Princeton and online degree programs that you pay for. The programs are from top instructors in business, computer science, data science, language learning, and more.
edx is a massive open online course provider. It hosts online university-level courses in a wide range of disciplines to a worldwide student body, including some courses at no charge.
Khan Academy is a non-profit educational platform dedicated to providing free online educational tools. They have courses in math, science and engineering, computer programming, and more.
MOOC is a massive open online course aimed at unlimited participation and open access via the web.
Open Culture has a list of 1,500 free online courses from the world’s top universities.
TEDEd celebrates the ideas of teachers and students around the world. Discover hundreds of animated lessons and create customized lessons.