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

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

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

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

This online course (MOOC) explores gender identity and the gender spectrum by analyzing the real-life experiences of six transgender children and their families.

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

This online course gives an introduction to Swift, a programming language developed by Apple for iOS and macOS.

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...

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

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

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

Free Turkish 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.

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...

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

This course shows the basics of SQL data analysis to explore dips and spikes in data and build business metrics.

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

This course teaches how to build four webpages from scratch while learning web development fundamentals.

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