WordNet
An on-line lexical reference system whose design is inspired by current psycholinguistic theories of human lexical memory

Object DataBank
A set of realistic three-dimensional objects for use in computational and psychological studies, developed in Michael Tarr's lab.

COGENT
A graphical environment for cognitive modeling. Free for the moment, and available for PC and Unix. Developed by Rick Cooper, John Fox and others.

MLE MIX
A DOS-based Pascal program that implements the multinomial maximum-likelihood mixture analysis, by Yantis, Meyer & Smith.

MLPest, PsychoFit, etc.
Useful (and free) software (for Macintoshes and PCs) for running and analyzing experiments, by Lewis O. Harvey, Jr.

Neurobehavioral Systems, Inc.
Software for conducting neuroscience experiments using standard Windows PCs. Stimulus delivery software can be used for cognitive psychology, fMRI, erp and single unit research.

Life Science Associates
Publisher of psychology software offering programs for cognitive rehabilitation.

G*Power
A general power analysis program, free for Mac and PC. Written by E. Erdfelder, F. Faul and A. Buchner, at the University of Trier.

PXL (Psychological Experiments Library)
Useful source code for software to run experiments in psychophysics and experimental psychology. Free for PC, from Hans Irtel.

Web-Based Courseware on causal reasoning
Proposal at Carnegie Mellon's Human and Computer Interaction Department.

RSVP
Experimental control software for MacOS, by Michael Tarr and Pepper Williams (free).

SignStream
Software to facilitate linguistic annotation and analysis of visual language data (e.g., for signed languages and the gestural component of spoken languages).