Open source. Open possibilities.

Jolito is an open-source flashcard app for learning spoken Mexican Spanish: spaced repetition plus audio on prompts and answers, keyboard-first typed recall, offline-first PWA use, and Anki deck import.

Mimora is a free, fully local pronunciation trainer for English and Spanish. It uses on-device TTS, speech recognition, and a local LLM to generate phrases and score user attempts with word-level feedback, requiring no cloud or API keys.

Verba is an offline-first desktop app for learning a language by talking with an AI coach. It runs locally with Ollama or your own provider key, and offers inline corrections, graded reading, vocabulary spaced repetition, plus bundled speech and dictation.

Free open-source Ukrainian language course from A1 to C2, aligned with CEFR and the Ukrainian State Standard 2024. Features 1,778 modules across 22 tracks including core levels and specializations in history, literature, folk culture, and historical linguistics.

LingoCue is a Windows English learning tool for Chinese users that provides word lookup, vocabulary lists, difficulty analysis, and AI dialogue via YouTube subtitles, supporting Chinese-English comparison and local media libraries.

Read Frog is an open-source AI-powered browser extension for language learning and translation, offering immersive bilingual translation, context-aware AI translation, flashcards with spaced repetition, subtitle translation, and support for 20+ AI providers.