Another interesting one is https://github.com/librespot-org/librespot https://github.com/librespot-org/librespot This actually implements the reverse-engineer

Another interesting one is https://github.com/librespot-org/librespot https://github.com/librespot-org/librespot This actually implements the reverse-engineered Spotify protocol and authenticates as a Spotify Connect device. To avoid Spotify being mad and potential legal problems, they implemented artificial limitations that block you from extracting the audio files unencrypted or using premium features on free accounts. A skilled Rustecean could probably deal with those pretty quickly, though.