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This online course gives a free introduction to digital currencies such as Bitcoin. It is also the first course of an online master's program in digital currencies from the...

This course teaches how to program in PHP, which is one of the most popular languages of modern web development.

Khan Academy provides various free introductory mathematics video lessons. Topics include elementary math, algebra, geometry, calculus, trigonometry, differential equations,...

This online course teaches how to build powerful, dynamic websites and web applications using the popular ASP.NET MVC web framework.

Khan Academy provides various free introductory video lessons on the history of the United States.

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

Extensive German language course, also suitable for beginners. Learn with videos from native speakers with subtitles in English and German. Easy handling and rewinding of videos.

In this online course, Dan Brown teaches writing thrillers. The course includes more than 15 video lessons and various supplemental materials.

This online course (part 2 of 2 courses) teaches how to build powerful interactive applications with this popular JavaScript library. React is an open source library developed...

Khan Academy provides various free introductory chemistry video lessons. Topics include atoms and compounds, chemical reactions, the periodic table, chemical bonds,...

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

This course teaches the fundamentals of the Java programming language.It includes various interactive lessons and practical coding projects. (Also check out this overview of...

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

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

In this online course, legendary director Werner Herzog teaches documentary and feature filmmaking. The course includes more than 20 video lessons and various supplemental...

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

In this online course, writer David Mamet teaches the art of dramatic writing. The course includes more than 20 video lessons and various supplemental materials.

In this short online course, American designer Kelly Wearstler teaches the fundamentals of interior design.

In this online course, Oscar nominee Samuel L. Jackson teaches acting. The course includes more than 20 video lessons and various supplemental materials.

In this online course, Hillary Rodham Clinton shows how to overcome setbacks and build a life of principle and purpose.