<p>TACT (Text Analysis Computing Tools) is a historically important text analysis and retrieval system that was developed from 1986 to 1989 at the University of Toronto in cooperation with IBM and remained in use into the 1990s. It was designed to run in MS-DOS and permitted inquiries on text databases in a number of European languages. Originally available on two 1.44MB floppy disks, the full fileset is now available for free download.</p>