It is distributed under the GNU General Public License , meaning anyone can download, use, and even study its code for free.
Originally developed at the Centre for Digital Music at Queen Mary, University of London, this tool was built to help musicologists, researchers, and curious listeners "see" inside audio files. It is distributed under the GNU General Public
While you were looking for version 4.4, the software has advanced much further. As of March 2025 , the latest version is 5.2.1 . Safe Ways to Get It meaning anyone can download