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

This course teaches how to style websites with CSS.

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

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

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

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

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 gives an introduction to artificial intelligence and deep learning for programmers.

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

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

Free Dutch 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.)

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

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

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

Khan Academy provides various free introductory video lessons on health and medicine. Topics include human anatomy and physiology, circulatory system diseases, mental health,...

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

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