Not self hosted but look at your local library, I am in the US and my library has Mango Languages for free, and Duolingo does not seem to be the recommended way to really learn a new language.
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A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don’t control.
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Not self hosted but look at your local library, I am in the US and my library has Mango Languages for free, and Duolingo does not seem to be the recommended way to really learn a new language.