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

Free Ukrainian 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.

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

Khan Academy provides various free introductory anatomy video lessons. Topics include the circulatory system, respiratory system, urinary system, hematologic system, immunologic...

Free Korean 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,...

This online language teaching method/app includes various languages, such as a German, English, Spanish, French, and Italian language course, and more.

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

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...

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

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

Free Greek 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 online course gives an introduction to Alexa, the Voice User Interface (VUI) application by Amazon.The course shows how to build a simple interaction model that responds to...

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

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