x11.app package freeware downloads
XQuartz
2.7.11 freeware download... with supporting libraries and applications, it forms the X11.app that Apple has shipped with OS X since version 10.5. ...
The R Commander
2.9-2 freeware download... through a text file or, preferably, through plug-in packages. The menus lead to simple dialog boxes, ... new data set is read (from an attached package or imported), it becomes the active data set. ...