Lidarr
Looks and smells like Sonarr but made for music
...It continuously monitors RSS feeds for new releases from your favorite artists, automatically retrieves them, sorts files into your library, and ensures consistent naming and tagging so your collection stays tidy and accessible. The tool also supports quality upgrades: if a better version of a track becomes available (for example, a lossless format), Lidarr can automatically fetch and replace lower-quality files, saving you manual effort. Integrated with many popular download clients and indexers, users can customize how Lidarr interacts with their existing setup for optimized automation. Built with a user-friendly web interface, it works cross-platform on Windows, macOS, Linux, and NAS systems, and can also run as a Docker service for containerized environments.