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

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...

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

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

Comprehensive language course in Filipino (Tagalog). The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning...

Comprehensive language course in Polish. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning experience...

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...

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 course teaches the use of Git, a source code management system for software development. It shows how to create and explore a simple Git-managed project.

In this online course, professional skateboarder Tony Hawk teaches skateboarding skills and techniques.

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

This online course teaches SCSS syntax, nesting, functions, and more regarding the Sass styling language.

This online course teaches how to build web apps with one of the most portable and in-demand programming languages available.

Comprehensive language course in Vietnamese. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning...

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 teaches intermediate techniques to transform table data in SQL.

This online course gives an introduction to the Express framework.

This online course teaches how to build powerful, dynamic websites and web applications using the popular ASP.NET MVC web framework.

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