Modules
Keep installed and available language packs organized in one place.
Local-first language learning
Build knowledge that sticks.
A calm, focused study system for modules, review decks, and long-term mastery. Install language packs, review cards, track progress, and switch source languages from one clean interface.
Review decks
Move through focused card sessions with clear scheduling and ratings.
Progress
Preserve your learning history locally and see what is ready to review.
Source language
Study with English or 中文（臺灣）, with dependable localized fallback.