NeatMP3 Pro 3.0.1 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 NeatMP3. We recommend checking the downloaded files with any free antivirus. NeatMP3 Pro for Mac lies within Audio & Video Tools, more precisely Editors & Converters.
From the developer:
NeatMP3 Pro for Mac is a powerful music organizer software that will enable you to easily merge, organize, rename and edit the tags of all the audio files on your computer. Do you have thousands of poorly labeled music files scattered all around your hard drive that are just waiting to be organized and renamed? This is where NeatMP3 Pro for Mac comes in with its intuitive interface and powerful organizing engine.
You may want to check out more Mac applications, such as RiffMaster Pro, Sequel Pro or WASEL Pro, which might be related to NeatMP3 Pro.