You could have downloaded RockboxUtility 1.5 for Mac from our application library for free. This Mac download was checked by our built-in antivirus and was rated as safe. The actual developer of this free software for Mac is Rockbox.
From the developer:
This is the automated installer tool for Rockbox.
If you haven't installed Rockbox before you need permissions for direct disk access (see "No Ipod found" / "No Sansa found" question) to detect the player. After you installed Rockbox once this is no longer needed.