DrawMol 2.1.85 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 application lies within Design & Photo Tools, more precisely Viewers & Editors. This Mac app was originally developed by UNamur. 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.
From the developer:
DrawMol is a a powerful graphical interface to view and build molecular structures. With this app, you can build a structure from scratch, simply by clicking and dragging to add atoms and bonds. You can save your structure in xyz format or build a gaussian or gamess input file directly. The tool lets you view complex molecular structures as well as molecular properties.
You may want to check out more software for Mac, such as Movie2Shot, TVPaint Animation or Cuadro, which might be related to DrawMol.