TWO RATERS
Delta (4.1.4)
DELTA provides the Delta and Kappa measures of the agreement between two raters (categorical data).
> Downloads: Application for Win-64 || Application for Win-32 || Web: html || Document: pdf

Additional resources and tools for Delta
AproxDelta_2x2 (1.0)
Excel worksheet that implements the asymptotic measures of agreement in tables 2×2.
> Downloads: Excel || Web: html

MCT_sim (1.0)
Resource for simulation of multiple choice tests.
> Downloads: Application for Win-32 || Web: html

MANY RATERS
Multi-rater Delta (1.2)
Álvarez Hernández, M.; Martín Andrés, A. (2019)
MULTI-RATER DELTA provides the delta, Hubert's kappa and Fleiss's kappa measures of agreement among many raters (categorical data).
> Downloads: Application for Win-32 || Document: pdf || Data example (without frequencies): txt || Data example (with frequencies): txt

Hubert Kappa (2.0)
Álvarez Hernández, M.; Martín Andrés, A. (2019)
KAPPA provides the measures of agreement (and the inferences about them) among many raters based on Hubert's kappa or Shuster and Smith's weighted kappa (DeMoivre or R-wise) for categorical or ordinal data, respectively.
> Downloads: Application for Win-32 || Document: pdf || Data example (Kappa): txt || Data example (Weighted Kappa): txt || Data example (Weighted Kappa linear and quadratic): txt