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

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

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

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 online course includes various free introductory history video lessons. Topics include:The beginnings and the neolithic revolution; Ancient civilizations in...

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

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

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

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...

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

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

This online course teaches how to create websites by structuring the pages with HTML.The course is designed for beginners and includes HTML elements and structures as well as...

This course teaches how to program in C#, which is used for programming mobile applications, games and enterprise software.

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

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

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

Khan Academy provides various free lessons for learners who prepare for the SAT test.

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

This online course explores the relation between the EU and the UN. It was created by a consortium of eight universities from seven countries, including the London School of...

Khan Academy provides various free introductory computer science video lessons. Topics include algorithms, cryptography, information theory, computer hardware and software,...