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Khan Academy provides various free introductory computer science video lessons. Topics include algorithms, cryptography, information theory, computer hardware and software,...

This online course gives a free introduction to digital currencies such as Bitcoin. It is also the first course of an online master's program in digital currencies from the...

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

This online course program gives an introduction to cloud security.

In this online course, Aaron Sorkin teaches the art of film and TV screenwriting. The course includes more than 20 video lessons and various supplemental materials.

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 lecture series discusses the evolution and role of urban public transportation modes, systems, and services, focusing on bus and rail. It covers various topics,...

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 attempts to explain the role and the importance of the financial system in the global economy. The course also gives a picture of the kind of thinking and analysis...

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.

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

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

This online lecture series gives an introduction to biology. It focuses on the basic principles of biochemistry, molecular biology, genetics, and recombinant DNA. The course...

This is the second of a two-part online lecture beginning with Atomic and Optical Physics I that provides the foundations for contemporary research in selected areas of atomic...

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

This online course explores the fundamentals of JavaScript, the programming language of the Web.The course was designed for learners who have some knowledge of HTML and CSS and...

This advanced-level online lecture gives an introduction to gravitational waves in astrophysics.

This online course gives an introduction to TypeScript (a programming language that builds on JavaScript).

This online lecture covers selected aspects of landscape architecture. [Note: Part 1 "Landschaftsarchitektur I" was read in German.]

This course is an introduction to game theory and strategic thinking. Ideas such as dominance, backward induction, commitment, asymmetric information, and signaling are...