The best alternatives to Palbum are Harmony, Replayify, and PlayTray. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Palbum?
Snowflake - BUILD— The Free Dev Conference for AI & Apps on Nov. 12-14
PlayTray is the key to using your macOS media keys to control Spotify playback on Desktop, Web and Mobile. It allows you to control playback with ease and see what's playing by just tapping the icon in your tray.