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This series of online courses explores the fundamental building blocks of data science, including statistics, data analysis, data visualization, programming with SQL and Python,...

This online course gives an introduction to the Express framework.

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

This online course introduces learners to the basics of Lua, a general-purpose programming language used for building games, web apps, and developer tools.

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

Comprehensive language course in Spanish. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning experience...

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

Comprehensive language course in Japanese. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning experience...

This series of online courses explains the role of testing in web development. Participants will build a testing suite for a full-stack web application.

This course teaches how to program in C++, which is a language well-respected for its flexibility and low-level functionality. It is used in the development of operating...

In this online course, Garry Kasparov teaches advanced Chess strategy, tactics, and theory. The course includes more than 20 video lessons and various supplemental materials.

This online course teaches the skills needed to create dynamic content by storing and retrieving data through the use of databases and files including CSV, XML and JSON.

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

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

This course teaches how to program in PHP, which is one of the most popular languages of modern web development.

In this short online course, American designer Kelly Wearstler teaches the fundamentals of interior design.

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 microeconomics video lessons. Topics include supply, demand, market equilibrium, scarcity, preferences, consumers and producers,...

This online course teaches how to design and build websites by learning the basic principles of design like branding, color theory, and typography.

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