Psymat is perceptual software that can be used to run standard psychophysical matching through comparison or adjustment for experimental purposes. The framework is written using OpenGL image processing routines. An introductory manual is available here.

For a copy of this program, please email

Psymat (version 0.35) - Released 01 November 2017 (change log)

Psymat (version 0.34) - Released 23 October 2017 (change log, notes)

Psymat (version 0.33) - Released 22 October 2017 (change log, notes)