YT Music - An unofficial Mac app for YouTube Music
Oto Music - Oto Music is an Android music player app that features Chromecast support, an equalizer, a ton of music controls, and functionalities.
Deezer iMessage app - Share your music on iMessage with Deezer!
Vinyls - Vinyls is a music player that lets you listen to your music without any complicated setup.
SoundCloud Desktop - Use your media-keys ⏮⏯⏭ with SoundCloud
3D Surround Music Player - 3D Surround Music Player allows you to listen to music with exceptional sound clarity and exclusive features such as dynamic bass boost, virtual3d surround effects, and treble boost.