JASP - JASP, a low fat alternative to SPSS, a delicious alternative to R.
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.
RStudio - RStudio™ is a new integrated development environment (IDE) for R.
Statista - The Statistics Portal for Market Data, Market Research and Market Studies
JMP - JMP is a data representation tool that empowers the engineers, mathematicians and scientists to explore the any of data visually.
PSPP - PSPP is a free software application for analysis of sampled data.