From Em Software:
Xdata--an XTension for QuarkXPress--brings the full layout,design, typographic and picture publishing power of QuarkXPress to bear on all your data-driven repetitive publishing tasks.
Simply put, Xdata works like a mail merge on steroids. You write simple text statements to import and format your text and graphics. Then our menu-driven tools, in a few clicks, build your documents at hundreds, or even thousands, of pages per hour.