Kirq is a user-friendly program for conducting crisp- and fuzzy-set Qualitative Comparative Analysis (QCA), as described in Ragin's The Comparative Method (1987) and Redesigning Social Inquiry (2008). Kirq is written in Python2 and Qt.

Please note that Kirq is being rewritten and the current version is no longer being updated. When the new version of Kirq is available, it will be announced here and on COMPASSS.



Technical Support

For help or to report bugs, please email Claude at


Reichert, Christopher and Claude Rubinson. 2014. Kirq. Houston, TX: University of Houston-Downtown.


Kirq is free software. Most of the code is licensed under the AGPL3, with certain portions released under the MIT license.