Visualify - Visualize your top artists on Spotify
Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
Spotify Web Visualizer - Beautiful full screen visuals for Spotify web player
AMPLI.FI - Live online music community. Twitch for tunes.
Graphic Foundry - High-impact audio reactive music visualizers 💎
Krue - Twitch for music: live streams from amazing musicians