Language Learning GitHub Repositories (2026) · Open Source Tools

The language app you eventually delete. A native iPhone companion for learning through conversation.

Open-source, self-hosted AI language learning platform with local or cloud LLMs, CEFR study plans, an AI tutor, voice conversations, flashcards, and spaced repetition.

Browser-based media player and Chrome extension for subtitle sentence mining

Aesthetic, minimalist platform for learning Japanese inspired by Duolingo and Monkeytype, built with Next.js and sponsored by Vercel. Beginner-friendly with plenty of good first issues - all contributions are welcome!

📚 A customizable dictionary extension that supports double-click lookups in 20+ languages, 1000+ dictionaries, text-to-speech, translation and Anki integration.

Lingkuma - An open-source alternative to LingQ for learning any language on the web

An immersion toolkit for learning Languages through games and other visual media.

JL is a program for looking up Japanese words and expressions.

Mihon immersion fork with native dictionary lookup (Yomitan), Mokuro manga and anime support, Novel EPUB reader, and instant Anki card mining.