Be warned that these programs have been written not as general-purpose utilities, but rather as optimized programs to do the job at hand as fast as possible, and that no documentation nor support comes with them, so use them at your own risk. In order to compile them, you will need a copy of Sam Leffler's TIFF Library. All programs are known to work with TIFF files with the following characteristics:
tiffinfo, which comes with the TIFF library.
Alberto Accomazzi -- 25 March 1998