3 packages on CRAN
Handle 'JSON-stat' format (<https://json-stat.org>) in R. Not all features are supported, especially the extensive metadata features of 'JSON-stat'.
A graphics device for R that produces 'Scalable Vector Graphics'. 'svglite' is a fork of the older 'RSvgDevice' package.
An extension to the 'testthat' package that makes it easy to add graphical unit tests. It provides a Shiny application to manage the test cases.