Sotto

Self-hosted, open-source AI language learning built from your own notes and interests.

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Sotto is a free, self-hosted, open-source language-learning tool that builds a CEFR-based course from the learner's own notes, work, and interests rather than generic textbook material. It includes adaptive listening and speaking practice and lets the user bring their own AI provider keys. It's aimed at language learners who want personalized, self-hosted practice instead of a one-size-fits-all commercial app.

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