JGR - Java GUI for R

StatET   (Compare Project)

Mostly written in Java

License: apache_2, eclipse, lgpl

rkward   (Compare Project)

Mostly written in C++

License: gpl

RStudio   (Compare Project)

Mostly written in Java

License: AGPL3

R.app GUI   (Compare Project)

Mostly written in Objective-C

License: gpl

Code::Blocks   (Compare Project)

Mostly written in C++

License: gpl3

Anjuta DevStudio   (Compare Project)

License: gpl

IDLE   (Compare Project)

License: python_software_foundation

leksah   (Compare Project)

Mostly written in JavaScript

License: gpl

Monkey Studio IDE   (Compare Project)

Mostly written in C++

License: gpl

DrC#   (Compare Project)

Mostly written in C#

License: BSD-3-Clause