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Graphical experiment builder for the social sciences
Python Other
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data Add custom icon to debian packaging
debian Update debian/changelog
dev-scripts Add Spanish translation
examples Move mantra examples to Mantra repository
extensions Update Help extension
help Further work on GUI extension framework
libopensesame Update for 2.9.4
libqtopensesame Bump to 2.9.4~pre1
openexp Fix bug in legacy back-end when specifying a system font in general p…
opensesame_unittest Add syntax unittest
plugins Start in controls-view for all form plug-ins except form_base
resources Update default template for 2.9.3
sounds Added sound files and updated readme
.gitattributes Updated to 0.23
COPYING Add correct COPYING Update setup scripts for extension framework
opensesame Include PyQt4 plug-ins in Windows build
opensesame.nsi Update for 2.9.4 Convert `print` statements to Python-3-compatibile `print()` function…
opensesamerun Fix unicode error that caused the opensesamerun GUI to crash on speci…
qt.conf Changes to work with py2app Update copyright notices for 2015 Update android setup script Updated py2app setup script Fix minor typo in Windows setup script Fix typo in Include quest plug-ins in packaging


A graphical experiment builder for the social sciences

Copyright, 2010-2015, Sebastiaan Mathôt and contributors.


OpenSesame is a graphical experiment builder. OpenSesame provides an easy to use, point-and-click interface for creating psychological/ neuroscientific experiments.


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


If you wish to contribute to OpenSesame (and you are welcome to!), please visit:


OpenSesame is distributed under the terms of the GNU General Public License 3. The full license should be included in the file COPYING, or can be obtained from:

OpenSesame contains works of others. For the full license information, please refer to debian/copyright.


Installation instructions and documentation are available on the documentation website ...

... which is itself also hosted on GitHub:

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