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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...

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,...

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

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

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

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

This online course shows how to use IBM's Personality Insights API and interact with Twitter; participants should be familiar with Python for this course.

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

This online course gives an introduction to Alexa, the Voice User Interface (VUI) application by Amazon.The course shows how to build a simple interaction model that responds to...

This online course introduces learners to the basics of Lua, a general-purpose programming language used for building games, web apps, and developer tools.

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

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...

This online course gives an introduction to jQuery (a JavaScript library).

Khan Academy provides various free introductory biology video lessons. Topics include acids and bases, properties of carbon, macromolecules, energy / metabolism, enzymes, cell...

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

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

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

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

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