Downloading DSDMaster 1.2.3 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. DSDMaster for Mac relates to Audio & Video Tools.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The actual developer of this software for Mac is BitPerfect Sound Inc.
From the developer:
DSDMaster is a professional-grade tool for producing PCM versions of music files encoded in the DSD format. The program produces BitPerfect Hybrid-DSD files, required for playing DSD using BitPerfect and iTunes. It also provides high-quality PCM iTunes.
You may want to check out more software for Mac, such as ImTOO DVD Ripper Platinum, VeescopeHub or Tipard DVD Audio Ripper for Mac, which might be related to DSDMaster.