OpenSesame

OpenSesame is a program to create experiments for psychology, neuroscience, and experimental economics. The latest stable version is 3.2.8 Kafkaesque Koffka, released on June 29, 2019 (release notes).

Features

• A user-friendly interface — flexible yet easy-to-use
• Python — add the power of Python to your experiment
• Use your devices — use your eye tracker, button box, EEG equipment, and more.
• Free — released under the GPL3
• Crossplatform — Windows, Mac OS, Linux, and Android (runtime only)
• Run your experiments online

Citation

• Mathôt, S., Schreij, D., & Theeuwes, J. (2012). OpenSesame: An open-source, graphical experiment builder for the social sciences. Behavior Research Methods, 44(2), 314-324. doi:10.3758/s13428-011-0168-7