Mouselab
- Dos-based tool for observing information acquisition. Used in the book The Adaptive Decision-Maker.
- http://mouselabweb.org/

PXLab
- Open source Java classes and applications to run experiments with precise timing.
- http://www.uni-mannheim.de/fakul/psycho/irtel/pxlab/

System for Teaching Experimental Psychology
- Scripts and utilities for classic and modern studies using E-Prime and PsyScope.
- http://step.psy.cmu.edu/

PsyScope
- Reaction time measurement for Macintosh.
- http://psyscope.psy.cmu.edu/

Psychology Software Tools
- Makers of E-Prime (reaction time), PsychMate (for teaching), BrainLogis (fMRI), VR Worlds (Virtual Reality), and related hardware.
- http://www.pstnet.com/

Noldus
- Makers of a variety of software for human and animal observational studies.
- http://www.noldus.com/site/nav10000

Neurobehavioral Systems, Inc.
- Neuroscience stimulus delivery software can be used for cognitive psychology, fMRI, erp and single unit research (Windows).
- http://nbs.neuro-bs.com/

Millisecond Software
- Makers of Inquisit, for questionnaire and reaction time studies. Also supports speech recognition.
- http://www.millisecond.com/

The MediaLab Warehouse
- A collection of downloadable MediaLab questionnaire files for common scales and tasks.
- http://www.psych.uiuc.edu/~roese/mlhouse.htm

Empirisoft
- Makers of MediaLab (questionnaire and multi-media) and DirectRT (reaction time) software and related hardware.
- http://www.empirisoft.com/

Cedrus Corporation
- Makers of SuperLab (reaction time) and various hardware response pads.
- http://www.cedrus.com/