Spotifree.org -

SpotiFree is a utility for macOS that automatically mutes Spotify audio advertisements by detecting track metadata, such as a track number of "0" or "0 popularity". The application, often used to improve the Spotify Free experience, operates by monitoring system audio and muting ads without modifying data streams. Access the project source code on GitHub . artemgordinskiy/Spotifree: An OS X app that ... - GitHub