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, language-model and audio libraries used inside the app.
4. Models and voices
Speech and language models bundled or downloaded by the app, with their licenses.
5. Artwork
Koala characters and scenes are made for KoalaSpeak.