RPL/2 is an open source software and freely downloadable with GPLv2 and CeCILL licenses restrictions.
Nevertheless, if this software is proposed without any fee, its
author has:
Help is welcome to keep this project alive.
If you know C language with Allman indentation (and a few C++ and Fortran), you can help to develop RPL/2 core.
Today, only a french documentation is available. You can complete and translate this documentation in english or in some other languages.
To keep these pages on line (with CVS, bugzilla, mirror and mailing list), I have to pay yearly 2000 €. All donations are also welcome.