OpenSesame 2.9

It is a graphical experiment builder designed for the social sciences.

OpenSesame is a graphical, open-source experiment builder designed for the social sciences. It features a modern and intuitive user interface that allows you to build a wide range of complex experiments with minimum effort.

The plug-in framework and Python scripting allow you to incorporate external devices, such as eye trackers, response boxes, and parallel port devices, into your experiment.