The following licenses are in use for R or associated software such as packages.
R as a package is licensed under GPL-2 | GPL-3
. File doc/COPYING
is the same as GPL-2
.
Some files are licensed under ‘GPL (version 2 or later)’, which includes GPL-3
. See the comments in the files to see if this applies.
Some header files are distributed under LGPL-2.1
: see file COPYRIGHTS
(on the SVN server).