R Licenses

The following licenses are in use for R or associated software such as packages.

• The “GNU Affero General Public License” version 3
• The “Apache License” version 2.0
• The “Artistic License” version 2.0
• The “BSD 2-clause License”
• The “BSD 3-clause License”
• The “Creative Commons Attribution-ShareAlike International” license version 4.0
• The “Creative Commons Zero Universal” license version 1.0
• The “GNU General Public License” version 2
• The “GNU General Public License” version 3
• The “GNU Library General Public License” version 2
• The “GNU Lesser General Public License” version 2.1
• The “GNU Lesser General Public License” version 3
• The “MIT License”

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).