1. Fonts
Nunito (SIL Open Font License 1.1). Noto Sans Arabic, Devanagari, SC and JP (SIL Open Font License 1.1). Website only: Familjen Grotesk and IBM Plex Mono (SIL Open Font License 1.1).
2. Icons
Phosphor Icons (MIT License).
3. App runtime libraries
Speech, audio and Flutter libraries used inside the app.
4. Models and voices
Speech models and voice packs bundled or downloaded by the app, with their licenses.
5. Artwork
Kilo the koala and Vocabulary Builder artwork are made for Melipy AI Labs.