Duolingo is a popular free language-learning resource that offers courses in over twenty languages. It includes lessons, speaking and listening activities, and tracks your progress over time. It offers courses in Spanish, German, French, Italian, and many more languages.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Identify a free foreign language learning resource.

### Response:
Duolingo is a popular free language-learning resource that offers courses in over twenty languages. It includes lessons, speaking and listening activities, and tracks your progress over time. It offers courses in Spanish, German, French, Italian, and many more languages.
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One free foreign language learning resource is Duolingo. Duolingo is a popular language learning app that offers a comprehensive and interactive learning experience. It covers over 30 languages and features gamification, quizzes, and exercises to help users learn and practice new languages at their own pace.

Duolingo offers a free version with basic features, as well as a premium subscription that provides additional features, such as ad-free experience, offline access, and priority support. The app is available for both iOS and Android devices, and is compatible with both iOS and Android operating systems.

Duolingo's free version is an excellent starting point for anyone looking to learn a new language, and it can be a great way to get started with language learning without committing to a paid subscription.