CrystalDesigner 7.0 for Mac is available as a free download on our software library. The program is included in Education Tools. Our built-in antivirus checked this Mac download and rated it as virus free.
From the developer:
CrystalDesigner is a complete tool for building, studying and visualising all kinds of crystal structures. CrystalDesigner is an ideal tool for both teaching and scientific studies. The software is intended to be used by students and teachers at colleges and universities, as well as in industrial research.
You may want to check out more software for Mac, such as RLPrint Plug-in Installer, PropCalc or Capacitor Lab, which might be similar to CrystalDesigner.