From Kodak Polychrome Graphics:

MatchFlow Composer is designed to bridge the gap between proprietary prepress system and the desktop publishing world.
This application allows you to convert TIFF/IT, TIFF/IT 8.8 and Scitex CT/LW files (amongst others) into PostScript, PDF, PDF/X, EPS, DCS, DCS2, TIFF etc. It also allows you to RIP PostScript or PDF files directly into TIFF 1-Bit, TIFF/IT-P1, TIFF/IT 8.8 and Scitex CT/LW or NCT/NLW on any Mac.