cchound.com - A curated library of free music for content creators
Heartbeat - Listen to music with your friends together, on Spotify
Fugue - Free and premium stock music for your videos, games, and UI
Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
Thematic - Free Music for YouTube Videos & Creators • No Copyright
BeatSense - Discover great music hand-picked by real people, in a single click. FREE and in real-time!