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

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...

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

Khan Academy provides various free introductory video lessons on the history of the United States.

This online lecture considers the tremendous growth of integrating micro-electronic computing components with regard to their architectures, complexity, design and programming....

This online course teaches front-end web development with JavaScript and ReactJS.

This is an online lecture that introduces students to the complexities of working in small, multidisciplinary teams to develop video games. Students will learn creative design...

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.

This short online course explains the cosmic origin of the elements: The lighter elements were mostly produced in the Big Bang, and the rest were formed within stars and...

Comprehensive language course in Arabic. 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 lecture series explores the history of WWI.

These short online courses provided by Skillshare cover various topics around freelancing, including social media businesses, marketing, sales, business fundamentals, and...

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

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

This video lecture series gives an introduction to neural networks and deep learning. It covers topics such as backpropagation, loss functions and optimization strategies,...

Highlights of Calculus is a series of short online videos that introduces the basics of calculus—how it works and why it is important.

This online course teaches the JavaScript language, jQuery, the JavaScript framework and the ins-and-outs of adding interactivity in the browser.

This online lecture is designed to serve as a first course in an undergraduate electrical engineering (EE), or electrical engineering and computer science (EECS) curriculum.

Khan Academy provides various free introductory microeconomics video lessons. Topics include supply, demand, market equilibrium, scarcity, preferences, consumers and producers,...

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