SoundNode - SoundCloud desktop app (OS X, Windows, Linux)
Radios.YT - Listen to the best YouTube music livestreams for free, 24/7
Cumulus - A SoundCloud player that lives in your menubar.
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.
SoundCloud - Enjoy music & follow favourite artists
CandyLists - Create interest based YouTube feeds