Eclipse based IDE for the statistical programing language R.
It offers a set of mature tools for R coding and package building. This includes a fully integrated R Console, Object Browser, Package Manager, Debugger, Data Viewer and R Help System, whereas multiple local and remote installations of R are supported. The optional add-ons for Sweave and Wikitext (Commonmark/Markdown, Textile) provide source editors and build tools for LaTeX/Wikitext documents with R chunks.
StatET 4.0: New and Noteworthy | Downloads
Advanced R Console: If you want to use the advanced console (RJ) with R, you need the R package 'rj' for your R version.
For GNU R see: RJSrv4GR project (installation instructions)
Old versions: http://www.walware.de/goto/statet