Highcharter

http://jkunst.com/highcharter/

Highcharter provides a rich R interface to the popular Highcharts JavaScript graphics library. Note that Highcharts is free for non-commercial use but otherwise requires a license.

library(magrittr)
library(highcharter)
highchart() %>% 
  hc_title(text = "Scatter chart with size and color") %>% 
  hc_add_series_scatter(mtcars$wt, mtcars$mpg,
                        mtcars$drat, mtcars$hp)