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

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

This online course gives an introduction to Kotlin, a popular programming language for Android development, web development, and more.

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

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

Extensive German language course, also suitable for beginners. Learn with videos from native speakers with subtitles in English and German. Easy handling and rewinding of videos.

This online course gives an introduction to SQL, the structured query language that is an important tool for business analysts, data analysts and data scientists.

This online course teaches intermediate techniques to transform table data in SQL.

This series of online courses gives an introduction to Data Analysis using the Python programming language.

This online course gives an introduction to Swift, a programming language developed by Apple for iOS and macOS.

Die Online-Kurse der KhanAcademy geben eine erste Einführung in die Programmierung für Anfänger. Enthalten sind die Sprachen JavaScript, HTML, CSS und SQL.

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

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.

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...

In this online course, Jane Goodall shares her insights into animal intelligence, conservation, and activism. The course includes more than 20 video lessons and various...

In this online course, Nobel Prize-winning economist Paul Krugman teaches the economic theories that drive history and policy. The course includes more than 20 video lessons and...

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

In this non-technical online course for a broad audience, the former commander of the International Space Station (ISS) teaches the science of space exploration. It includes...

This course teaches how to program in C++, which is a language well-respected for its flexibility and low-level functionality. It is used in the development of operating...

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...