PTC Mathcad - PTC Mathcad PTC Mathcad is Engineering Math Software That Allows You to Perform, Analyze, and Share Your Most Vital Calculations.
RStudio - RStudio™ is a new integrated development environment (IDE) for R.
SMath Studio - Tiny, powerful, free mathematical program with WYSIWYG editor and complete units of measurements support.
Stata - Stata is a software that combines hundreds of different statistical tools into one user interface. Everything from data management to statistical analysis to publication-quality graphics is supported by Stata. Read more about Stata.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
JMP - JMP is a data representation tool that empowers the engineers, mathematicians and scientists to explore the any of data visually.