R, also called GNU S, is a strongly functional language and environment to statistically explore data sets, make many graphical displays of data from custom

SPSS Inc. (SPSS) is a global provider of predictive analytics software and solutions. The Company provides two types of software and service offerings to two distinct audiences.

Statistics and data mining software by Insightful: Powerful, usable statistical analysis and data analysis solutions for Windows and Linux PCs and UNIX

The latest version of LaTeX and information on the LaTeX3 project, with documentation and experimental code.

Python is a general-purpose high-level programming language. Its design philosophy emphasizes code readability. Python's core syntax and semantics are minimalistic, while the standard library is large and comprehensive.

SAS is an integrated system of software products provided by SAS Institute that enables the programmer to perform:

Coordinates: 40°26′36″N 79°56′37″W / 40.443322°N 79.943583°W / 40.443322; -79.943583 Carnegie Mellon University is a private research university in Pittsburgh, Pennsylvania.

The MathWorks, Inc. is a privately held, mid-size, multi-national corporation which specializes in technical computing software. Its main products include MATLAB and Simulink.

Official website for gnuplot 4. Includes downloads, screenshots, documentation, and links to other help and tutorials.

Statsoft is the creator of STATISTICA, the most comprehensive suite of data mining and statistical analysis software.