You could have downloaded 23andArt 1.0.3 for Mac from our software library for free. The actual developer of this free Mac application is micw.eu. The application belongs to Design & Photo Tools.
From the developer:
23andArt is a free to use application that allows you to build beautiful unique images from your 23andMe raw data.
Main features:
- Change image transparency.
- 2 visualization mode: rarity and mosaik.
- You can choose from 5 presets.
- Easy to use.
You may want to check out more software for Mac, such as Smith Chart for Mac, Movie2Shot or Resize Now, which might be similar to 23andArt.