The core R language is extended by a large number of [[R package|software packages]], which contain [[Reusability|reusable code]], documentation, and sample data. Some of the most popular R packages are in the [[tidyverse]] collection, which provides functionality that the authors and users believe make it easier to visualize, transform, and model data in R.<ref>{{Cite web |title=Home - RDocumentation |url=https://www.rdocumentation.org/ |access-date=2025-06-13 |website=www.rdocumentation.org}}</ref>
R software is [[Freefree and open-source software]] distributed under the [[GNU General Public License]].<ref name="gnugpl">{{Cite web |title=R - Free Software Directory |url=https://directory.fsf.org/wiki/R#tab=Details |access-date=2024-01-26 |website=directory.fsf.org}}</ref><ref>{{Cite web |title=R: What is R? |url=https://www.r-project.org/about.html |access-date=2025-05-10 |website=www.r-project.org}}</ref> RThe language is implemented primarily in [[C (programming language)|C]], [[Fortran]], and [[Self-hosting (compilers)|R itself]]. [[Preprocessor|Precompiled]] [[executable]]s are available for the major [[operating system]]s (including [[Linux]], [[MacOS]], and [[Microsoft Windows]]).
It'sIts core is an [[interpreted language]] with a native [[command line interface]]. In addition, multiple [[Third-party software component|third-party]] applications are available as [[graphical user interface]]s; such applications include [[RStudio]] (an [[integrated development environment]]) and [[Jupyter]] (a [[notebook interface]]).
