Airsonic, Gonic, and Navidrome. You can also configure multiple servers and switch between them.
Download your songs for offline listening. Sublime Music also provides an Offline Mode to prevent it from making any network requests which may be useful if you are on a metered connection.
Control Sublime Music using
playerctl, KDE Connect, and many commonly used desktop environments. Sublime Music exposes a common MPRIS interface which works with many clients.
Sublime Music is built using the GTK toolkit, so it looks right at home on your Linux desktop. All of the core functionality of Sublime Music also works on macOS.
Cast music to Google Chromecast and Google Home devices on the same network. You can even use "Hey Google" to pause and play the music while casting.