SAS is the leader in business analytics software and services, and the largest independent vendor in the business intelligence market.

Stan is described as 'Probabilistic programming language for data analysis, enabling automatic inference for a large class of statistical models' and is a statistical analyzer in the business & commerce category. There are 2 alternatives to Stan for a variety of platforms, including Windows, Linux, Web-based, Android and iPhone apps. The best Stan alternative is SAS. It's not free, so if you're looking for a free alternative, you could try StatSim.
SAS is the leader in business analytics software and services, and the largest independent vendor in the business intelligence market.

StatSim is a free probabilistic simulation web app. Includes multiple simulation methods and over 20 built-in distributions.

