SuperSync Demo 4.1 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this software for Mac is SuperSync. SuperSync Demo for Mac relates to System Tools.
From the developer:
SuperSync is the best way to visually compare and merge multiple iTunes libraries. All your music, movies, and playlists can be synced across all the computers you keep music on.
You may want to check out more software for Mac, such as Din's Curse Demo, Demo Recorder PRO or Messenger Demo Viewer, which might be related to SuperSync Demo.
Music Production
HDD Management