The same license as R: GPLv2 or greater.
If looking for rpy or the old website, it was moved to here.
Released source packages are available on
should be as easy* as
(*: except on Windows)
pip install rpy2
A Docker image is also available to "kick the tires" to run the current release 2.9.x with:
docker run --rm -p 8888:8888 \ rpy2/jupyter:2.9.x
docker run -it --rm -p 8888:8888 \ rpy2/jupyter:2.9.x ipython
More information about Docker images can be found in the documentation.
The source code is also in a public repository on bitbucket.
More information can be found in the documentation.
Additional resources, about rpy2 in particular or demonstrations of polyglot data analysis using rpy2 to call R from Python, are available (don't hesitate to notify us about other resource, but avoid Python vs R trolls... unless funny):
The package is used in a wide range of domains. For example (non-exhaustive list):