1)   ESBPDF Analysis - Probability Software 2.4.1
Probability Analysis Software for Windows that provides an easy-to-use tool for using Discrete and Continuous Distributions, handling all the Probability Combinations for you with Graphing and info. Designed for Windows - optimised for Windows XP

 2)   SLGallery 1.2
Use this unique probability distribution calculation toolbox featuring 11 continuous and 4 discrete functions to plot graph and find values for probability density, cumulative distribution (CDF), survival and Hazard functions. Download for FREE!

 3)   Excel Random Number or Date Generator Software 7.0
Generate random whole or decimal numbers in a block of MS Excel cells. Also, generate random dates. Excel 2000 or higher required.