AutoTrace is not available for Mac but there are some alternatives that runs on macOS with similar functionality. The best Mac alternative is Vector Magic. It's not free, so if you're looking for a free alternative, you could try potrace or DragPotrace. If that doesn't suit you, our users have ranked more than 10 alternatives to AutoTrace and eight of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to AutoTrace are KVEC (Free), Image Vectorizer (Paid), Super Vectorizer (Paid) and Vector Q by Imaengine (Free).
KVEC is a tool which can vectorize images using several graphic formats: WMF Windows Metafile, Enhanced Metafile, AutoCad DXF, HPGL, ART, Postscript, Adobe Illustrator AI, SVG/SVGZ (Scalable Vector Graphics), SWF, DST, HTML.
Super Vectorizer 2 (FREE Download: http://www.svgvector.com/download/Super-Vectorizer.dmg) for Mac is a professional Mac vector tracing software that automatically converts bitmap image like JPEG, GIF and PNG to clean, scalable vector graphic of Ai, SVG, DXF and PDF on Mac.
Vector Queue is a powerful and easy-to-use Vector Editor and Vectorizer in one solution. Real time vectorization with tons of possibilities, from standard vectorization in color, gray or black & white to amazing Pop-Art vector filters.