TACT is shareware. All programs are copyrighted to the programmers and members of the development team and to the University of Toronto but may be freely copied by anyone for research or teaching as long as it is distributed only pursuant to this license.
Permission is hereby granted to reproduce and disseminate the TACT system so long as
No copy of TACT may be distributed without including a copy of this license.
Any other use is prohibited without express, written permission in advance.