Deezer iMessage app - Share your music on iMessage with Deezer!
YT Music - An unofficial Mac app for YouTube Music
Soundbar - A lightweight SoundCloud player for Mac
Music Pro - Stream YouTube music
YouTube Music - YouTube Music is a streaming app primarily designed for Android and iOS mobile devices. The app lets individuals search for music from their favorite artists, enjoy playlists, and access 30 million musical tracks.
Sleeve - Your currently playing track displayed right on your desktop