Crysum

Screen Savers

A transparent Screen Saver. Lock your Mac and see what it's doing, from your music artwork, to a task in progress, the system status, anything

Quartz X

Run a Quartz Composition while you are away from your Mac. Visualize your music artwork and info when playing music with iTunes, Spotify or Swinsian

Quartz X (RSS Feed Support)

Quartz X with support for RSS Feeds

Intel version

To enable additional functionality like sharing your music information with the screen saver, enable Music Sync in Preferences > Music Sync > Share Music Information. Glass requires Backgrounds to be open to work