AgreeStat/360: computing weighted agreement coefficients (Conger's kappa, Fleiss' kappa, Gwet's AC1/AC2, Krippendorff's alpha, and more) for 3 raters or more
Inter rater reliability using Fleiss Kappa - YouTube
Weighted Cohen's Kappa | Real Statistics Using Excel
Calculating Inter Rater Reliability/Agreement in Excel - YouTube
ReCal3: Reliability for 3+ Coders – Deen Freelon, Ph.D.
Cohen's kappa free calculator – IDoStatistics
Kappa de Fleiss en Excel, concepto y aplicaciòn - YouTube
How to Calculate Fleiss' Kappa in Excel? - GeeksforGeeks