SAS (Statistical Analysis System) is a system of software solutions that allows users to perform anything from data entry and retrieval to report writing and statistical analysis.
SAS allows users to perform advanced analytics, multivariate analyses, business intelligence, data management, and predictive analytics. SAS can manage and retrieve data from multiple sources, and users can also manage and manipulate data to prepare for analysis.
Free
The most recent version of SAS requires 512 MB RAM and 2G GB of free disk space. It is available for Mac, Windows, and Linux users. Some features require an internet connection and Adobe Reader 9 or above or Acrobat Version 8 or above.