Dr. Joseph Parsons' company uses this page to market ThinkFast, fluency-building software (DOS or Windows) for use in precision-teaching applications; contains a downloadable demo, an excellent discussion of the foundations of the fluency-building approach and a very good glossary of terms that will aid the uninitiated in understanding the vocabulary of precision teaching.
VPixx Technologies Inc. manufactures visual testing software and hardware designed for Macintoshes. This software is used for research in psychophysics, electrophysiology, cognition, and fMRI.