JGR (speak 'Jaguar') is a universal and unified Graphical User Interface for R (it actually abbreviates Java Gui for R). JGR was introduced at the useR! meeting in 2004 and there is an introductory article in the Statistical Computing and Graphics Newsletter Vol 16 nr 2 p9-12

What’s new?

2008/07/24    JGR 1.6-2 and new launchers 1.61 released

                        - please download the new launchers

2008/06/18    JGR 1.6-1 released

                       - minor fix in editor and object-browser

2008/06/15    JGR 1.6 and new launchers released

                        - please delete your .JGRprefs file in your home directory before and download the new launchers

2008/06/15    Launch of new JGR webpage

JGR’s friends at RoSuDa.org