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

In this online course, contemporary artist Jeff Koons explores how color, scale, form, and more can help participants to create art.

This series of online courses explains the role of testing in web development. Participants will build a testing suite for a full-stack web application.

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

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.

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

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

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.

This online course teaches how to create animations as well as how to test an app, how to use Google Play Services, and how to simplify networking by using Retrofit and RxJava.

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...

In this online course, "Gangster Gardener" Ron Finley teaches gardening skills and techniques, including how to grow your own food, keep your plants alive, and find beauty and...

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

This online course gives an introduction to jQuery (a JavaScript library).

This course teaches how to program in Ruby, a flexible language used to create many websites.

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

In this online course, Oscar nominee Samuel L. Jackson teaches acting. The course includes more than 20 video lessons and various supplemental materials.

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...

This course teaches how to use the command line to manipulate data and automate tasks.

In this online course, presidential campaign strategists David Axelrod and Karl Rove reveal what goes into effective political strategy and messaging. The course includes more...