This is a mirror of the official ACT-R distribution found here.

I created this mirror so that I could provide smaller ACT-R packages for use with my gactar project.

The only changes I made are adding this README file and copying the license to LICENSE.txt so GitHub would pick it up.

Releases are tagged with their version number.

Each release creates the following files:

If you find a problem with the packaging of a release here, please submit an issue.

If you have issues with ACT-R itself, please contact the ACT-R people.

ACT-R is licensed under the terms of the LGPL 2.1 license (summary for non-lawyers).

This is the ACT-R 7 source code distribution.

These directories contain all of the Lisp code needed to run ACT-R 7 and also include a tutorial introduction to using ACT-R, a GUI for inspecting and debugging models called the ACT-R Environment, software documentation for ACT-R and the Environment, optional extensions which have been written for ACT-R, and also some example code showing ways of extending the system and connecting other programming languages to the ACT-R remote interface.

To use the ACT-R Environment or connect ACT-R to other programming languages requires that QuickLisp be installed for the Lisp being used to get the libraries for network communication and threading. QuickLisp isa available from: https://www.quicklisp.org. If the external connections are not needed, ACT-R can also be run in a "Lisp only" mode without the need for QuickLisp to be installed. The "Lisp only" mode is typically much faster at running models than the full system that allows for external connections.

Instructions on how to load and run ACT-R and the ACT-R Environment can be found in the QuickStart.txt file in the docs directory. The tutorial units are located in the tutorial directory, and that is the recommended starting point for those new to ACT-R. More detailed information about the software can be found in the reference manual and the Environment manual which are located in the docs directory.

For more information or to download the most recent version of the ACT-R software please visit the ACT-R website at: http://act-r.psy.cmu.edu.