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Khan Academy provides various free introductory video lessons on astronomy and cosmology. Topics include the scale of the universe, the Big Bang, stars, black holes, galaxies,...

Khan Academy provides various free introductory microeconomics video lessons. Topics include supply, demand, market equilibrium, scarcity, preferences, consumers and producers,...

In this online course, former U.S. President George W. Bush teaches leadership. The course includes more than 10 video lessons and various supplemental materials.

Comprehensive language course in Vietnamese. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning...

This online course introduces learners to the Flutter framework with interactive lessons on basic app components.

In this online course, Oscar-winning director Ron Howard teaches directing. The course includes more than 20 video lessons and various supplemental materials.

Free Korean language app with many short tests to learn "on the go". (Not a video course.)

This course teaches how to program in Ruby, a flexible language used to create many websites.

Free Esperanto language app with many short tests to learn "on the go". (Not a video course.)

Free Romanian language app with many short tests to learn "on the go". (Not a video course.)

In this online course, Reba McEntire teaches the art of making country music. The course includes more than 20 video lessons and various supplemental materials.

Comprehensive language course in Spanish. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning experience...

These online lessons explain the basics of upper extremity anatomy. In addition to the free video lessons, further (paid) trainings are available.

This course teaches how to program in Go (Golang), an open-source programming language supported by Google.

This online course teaches how to create animations as well as how to test an app, how to use Google Play Services, and how to simplify networking by using Retrofit and RxJava.

In this online course, "Gangster Gardener" Ron Finley teaches gardening skills and techniques, including how to grow your own food, keep your plants alive, and find beauty and...

In this online course, world racing champion Lewis Hamilton teaches how to prepare the mind, body, and spirit for victory. The course includes more than 10 video lessons and...

This course teaches how to program in R, which is a popular language used by data scientists and researchers.

Comprehensive language course in Italian. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning experience...

Comprehensive language course in French. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning experience...