This page contains links to the last releases of previous versions of ACT-R.

For the current software go to the Software page.

7.27.9-<3317:2023-07-17>

7.27.7-<3260:2022-07-19>

7.27-<3193:2021-09-15>

7.21.6-<3099:2020-12-21>

7.14-<2970:2019-12-10>

7.5-<2244:2017-07-11>

ACT-R 6.0

ACT-R 5.0

ACT-R 4.0