RStudio

rstudio.com

RStudio develops open source and enterprise-ready professional software for the R statistical computing environment. Its portfolio of products includes RStudio IDE: a free and open source user interface for R that works across Windows, Mac, and Linux platforms; Shiny: a web framework for building interactive reports and visualizations using R; ggplot2: a data visualization package for R that creates multi-layered graphics; knitr: a report generation tool that combines R with TeX, Markdown, and HTML; R Markdown: a tool that enables users to insert R code into a markdown document and generate final documents by replacing the R code with its results; packrat: a dependency management tool for R; devtools: developer tools for building R packages; and more. RStudio was founded in 2009 by J.J. Allaire and is based in Massachusetts, United States.