pdf2image

Convert PDFs to images
https://code.google.com/p/pdf2image/

Current version
0.53

pdf2image requires the following formulae to be installed:
freetype 2.9 Software library to render fonts
ghostscript 9.23 Interpreter for PostScript and PDF

Recent formula history

Viktor Szakats pdf2image: https in comment
Mike McQuaid pdf2image: import from homebrew/x11.

Formula code at GitHub