WordNet  
   An on-line lexical reference system whose design is inspired by current psycholinguistic theories of human lexical memory
   http://www.cogsci.princeton.edu/~wn/

Object DataBank  
   A set of realistic three-dimensional objects for use in computational and psychological studies, developed in Michael Tarr's lab.
   http://www.cog.brown.edu/~tarr/projects/databank.html

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.
   http://cogent.psyc.bbk.ac.uk/

MLPest, PsychoFit, etc.  
   Useful (and free) software (for Macintoshes and PCs) for running and analyzing experiments, by Lewis O. Harvey, Jr.
   http://psych.colorado.edu/~lharvey/

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.
   http://www.neurobehavioralsystems.com/

Life Science Associates  
   Publisher of psychology software offering programs for cognitive rehabilitation.
   http://lifesciassoc.home.pipeline.com/

PXL (Psychological Experiments Library)  
   Useful source code for software to run experiments in psychophysics and experimental psychology. Free for PC, from Hans Irtel.
   http://www.uni-mannheim.de/fakul/psycho/irtel/pxl.html

Web-Based Courseware on causal reasoning  
   Proposal at Carnegie Mellon's Human and Computer Interaction Department.
   http://www.andrew.cmu.edu:80/course/80-512/

RSVP  
   Experimental control software for MacOS, by Michael Tarr and Pepper Williams (free).
   http://www.cog.brown.edu/~tarr/RSVP/

SignStream  
   Software to facilitate linguistic annotation and analysis of visual language data (e.g., for signed languages and the gestural component of spoken languages).
   http://www.bu.edu/asllrp/SignStream/