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

This course teaches how to program in R, which is a popular language used by data scientists and researchers.

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

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

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

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

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

Free Romanian 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.

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

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...

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

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...

Free Swedish 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...

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

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

This collection of YouTube playlists provides an introduction to car technology for beginners. It includes several video lists on topics such as car engines, engine components,...

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

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