AgreeStat/360: computing weighted agreement coefficients (Fleiss' kappa, Gwet's AC1/AC2, Krippendorff's alpha, and more) with ratings in the form of a distribution of raters by subject and category
Fleiss' Kappa | Real Statistics Using Excel
Fleiss' kappa in SPSS Statistics | Laerd Statistics
Fleiss' kappa in SPSS Statistics | Spss statistics, Statistics, P value
GitHub - Shamya/FleissKappa: Implementation of Fleiss' Kappa (Joseph L. Fleiss, Measuring Nominal Scale Agreement Among Many Raters, 1971.)
EPOS™
Fleiss Kappa for Inter-Rater Reliability | James D. McCaffrey