Petrichor

Your library is all local files and you want an offline player with broad format support that looks good. Petrichor fits: an offline local music player with broad format support, focused on playing local music, supporting many audio formats, with a pretty interface and easy library organization, no network or recommendations, purely for those who cherish a local collection. A macOS app, open source.

Features

Offline playback: Focused on local music.

Broad formats: Support many audio formats.

Library: Easy library organization.

Open and free: An open-source project, free to use.