It provides a series of menus that allow you to run lots of statistic tests and create graphics without typing a line of code. R Commander is a basic graphical user interface (GUI) for R. It’s basically a nice front-end for R, giving you a console, a scripting window, a graphics window, and an R workspace, among other options. RStudio is an integrated development environment (IDE) for R.
Graphics created by R are extremely extensible and are used in high level publications like the New York Times (as explained by this former NYT infographic designer). It can run on pretty much any computer and has a very active and friendly support community online. R is an incredibly powerful open source program for statistics and graphics.