Montecarlito is described as 'MonteCarlito is a free Excel-add-in to do Monte-Carlo-simulations. Apart from these it can also do statistical analysis like mean, median, standard error, variance, skewness, kurtosis. It can create histograms. The code is open source' and is a statistical analyzer in the development category. There are more than 50 alternatives to Montecarlito for a variety of platforms, including Windows, Mac, Linux, Web-based and iPhone apps. The best Montecarlito alternative is R (programming language), which is both free and Open Source. Other great apps like Montecarlito are RStudio, PSPP, JASP and Maple.