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This online language teaching method/app includes various languages, such as a German, English, Spanish, French, and Italian language course, and more.

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

This online course gives an introduction to Swift, a programming language developed by Apple for iOS and macOS.

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

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

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

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

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

This online course teaches how to use color effectively to create attractive and useable websites.

Khan Academy provides various free lessons for learners who prepare for the MCAT test.

This course teaches how MOS transistors work, and how to model them. The understanding provided in this course is essential not only for device modelers, but also for designers...

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

This course provides a selection of individual lessons and analyses from experts on the 2020 corona virus outbreak. It includes topics such as an epidemic overview, fatality...

This online course explores the fundamentals of JavaScript, the programming language of the Web.The course was designed for learners who have some knowledge of HTML and CSS and...

This online course gives an introduction to Kotlin, a popular programming language for Android development, web development, and more.

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

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

This online course includes various free introductory history video lessons. Topics include:The beginnings and the neolithic revolution; Ancient civilizations in...

This online course gives an introduction to artificial intelligence and deep learning for programmers.

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