rbokeh

http://hafen.github.io/rbokeh

Bokeh is a visualization library that provides a flexible and powerful declarative framework for creating web-based plots.

library(rbokeh)
figure() %>%
  ly_points(Sepal.Length, Sepal.Width, data = iris,
    color = Species, glyph = Species,
    hover = list(Sepal.Length, Sepal.Width))