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This online course teaches how to build powerful interactive applications with this popular JavaScript library. React is an open source library developed by Facebook.

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 art history video lessons. Topics include prehistoric art, ancient mediterranean art (Egypt, Greece, Rome and others), medieval...

Free Romanian 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.

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

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

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 programming video lessons. Topics include JavaScript, HTML and CSS, SQL, and more.

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

Khan Academy provides various free introductory macroeconomics video lessons. Topics include national income and the GDP, inflation, demand and supply, business cycles, the...

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

Khan Academy provides various free introductory computer science video lessons. Topics include algorithms, cryptography, information theory, computer hardware and software,...

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...

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

This online course teaches intermediate techniques to transform table data in SQL.

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

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

This series of short YouTube video lessons explains the basic fundamentals of automotive engineering for beginners. It includes topics like engines, gearbox, transmission, and...

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