CRAN Package Licenses
The following licenses are commonly used for CRAN packages.
The “GNU Affero General Public License” version 3 (AGPL-3)
The “Artistic License” version 2.0 (Artistic-2.0)
The “BSD 2-clause License” (BSD_2_clause)
The “BSD 3-clause License” (BSD_3_clause)
The “GNU General Public License” version 2 (GPL-2)
The “GNU General Public License” version 3 (GPL-3)
The “GNU Library General Public License” version 2 (LGPL-2)
The “GNU Lesser General Public License” version 2.1 (LGPL-2.1)
The “GNU Lesser General Public License” version 3 (LGPL-3)
The “MIT License” (MIT)