Em Software has been in the data publishing and editorial tools business for over two decades, is one of the best-known Quark XTension developers in the world and was one of the very first InDesign Plug-in developers. Em Software builds industrial-strength products that are in production use at tens of thousands of sites world-wide. They?re a small company and they always do their best to give fanatical attention to product quality and customer service. Em Software provides tools that operate across operating systems (Mac OS X and Windows) and ?mothership? publishing platforms (QuarkXPress and Adobe InDesign), so you can choose the best platform and design tool for your needs.