MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
IBM SPSS Statistics - IBM SPSS Statistics is software that provides detailed analysis of statistical data. The company behind the product practically needs no introduction, as it's been a staple of the technology industry for over 100 years.
C++ - Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation
RStudio - RStudio™ is a new integrated development environment (IDE) for R.
D (Programming Language) - D is a language with C-like syntax and static typing.
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.