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

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

This online course teaches how to publish a personal website to the public Internet.

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...

This course teaches how to program in Go (Golang), an open-source programming language supported by Google.

Free Vietnamese 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 gives an introduction to Swift, a programming language developed by Apple for iOS and macOS.

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 C#, which is used for programming mobile applications, games and enterprise software.

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...

This online course teaches the fundamental concepts of Blockchain and how to implement them in Python. Learners with prior Python experience will be able to build their own...

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

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

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

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

This course teaches how to build web apps using AngularJS 1.x, enabling learners to use AngularJS to create their own apps.

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

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