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This course teaches how to add sign up, log in, and log out functionality to Rails apps, as well as how to manage access to specific pages.

This online course teaches how to use color effectively to create attractive and useable websites.

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

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

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

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

This online course (part 2 of 2 courses) teaches how to build powerful interactive applications with this popular JavaScript library. React is an open source library developed...

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.

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

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

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

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

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

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...

This course teaches how to style websites with CSS.

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

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

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

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