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This online course gives an introduction to the Express framework.

In this online course, Reba McEntire teaches the art of making country music. The course includes more than 20 video lessons and various supplemental materials.

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

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...

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

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

In this online course, former U.S. President George W. Bush teaches leadership. The course includes more than 10 video lessons and various supplemental materials.

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

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

This course teaches how to use the command line to manipulate data and automate tasks.

In this online course, contemporary artist Jeff Koons explores how color, scale, form, and more can help participants to create art.

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 SQL, the structured query language that is an important tool for business analysts, data analysts and data scientists.

Khan Academy provides various free introductory physics video lessons. Topics include velocity and acceleration, forces and Newton's laws of motion, gravitation, energy,...

In this online course, Natalie Portman - who holds an Academy Award and two Golden Globe Awards - teaches acting.

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

In this online course, Nobel Prize-winning economist Paul Krugman teaches the economic theories that drive history and policy. The course includes more than 20 video lessons and...

This online course gives an introduction to the programming language Ruby.

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