There's also txtplot (https://cran.r-project.org/web/packages/txtplot/index.html https://cran.r-project.org/web/packages/txtplot/index.html), which is low-resol

There's also txtplot (https://cran.r-project.org/web/packages/txtplot/index.html https://cran.r-project.org/web/packages/txtplot/index.html), which is low-resolution but cross-platform...