This version is the original KAFGA code as published in Petters et al. (2016). The code is identical to the one published in the supplement to the manuscript. The README.md file has been edited lightly from the original for readability. The logo has been added.
Petters, M. D., Kreidenweis, S. M., and Ziemann, P. J. (2016). Prediction of cloud condensation nuclei activity for organic compounds using functional group contribution methods, Geoscientific Model Development, 9, 111-124, https://doi.org/10.5194/gmd-9-111-2016.