The latest version of the FutureGrid Rain is 1.0.1
The recommended way of installing Rain is using easy_install. You can find instructions on how to do this in the Installation chapter of the documentation.
If you do need to download Rain as an installable Python Egg or as a source tarball, both are available for download in the Python Package Index: http://pypi.python.org/pypi/futuregrid
The sample configuration files shown in the documentation are available for download as a tarball or a ZIP file.
If you want to use the latest development version of Rain, you can track our GitHub repository.
The Installation chapter of the documentation provides instructions on how to check out our code from GitHub.