1)   EasyFit 3.0
EasyFit allows to easily and quickly select the probability distribution which best fits to data, reducing your analysis times and helping you make better decisions. It supports over 40 distributions, goodness of fit tests, and high-quality graphs.
distribution, fitting, probability, fit, goodness, density, cumulative, graphs, statistics, CDF,

 2)   StatAssist 2.0
StatAssist displays graphs and related properties of more than 40 probability distributions. It calculates statistical moments, quantiles, and tail probabilities depending on the distribution parameters specified by the user.
distribution, probability, mean, variance, standard deviation, skewness, kurtosis, mode, quantile, discrete,