R for GIS
From InterSciWiki
- maps: Draw Geographical Maps http://cran.r-project.org/src/contrib/Descriptions/maps.html
- maptools: reading and handling spatial objects http://cran.r-project.org/src/contrib/Descriptions/maptools.html
- maps package, larger and/or higher-resolution databases http://cran.r-project.org/src/contrib/Descriptions/mapdata.html
