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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...

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

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 macroeconomics video lessons. Topics include national income and the GDP, inflation, demand and supply, business cycles, the...

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 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...

Khan Academy provides various free introductory art history video lessons. Topics include prehistoric art, ancient mediterranean art (Egypt, Greece, Rome and others), medieval...

This course teaches how to program in C#, which is used for programming mobile applications, games and enterprise software.

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

This online course teaches how to manage data with SQL, including mastering complex commands to manipulate and query data stored in relational databases. It includes topics such...

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

Khan Academy provides various free introductory programming video lessons. Topics include JavaScript, HTML and CSS, SQL, and more.

This online course gives an introduction to the C programming language. C is one of the foundational languages of computer science, for example used in operating systems. The...

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

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

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

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

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,...

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

Die Online-Kurse der KhanAcademy geben eine erste Einführung in die Programmierung für Anfänger. Enthalten sind die Sprachen JavaScript, HTML, CSS und SQL.