GNU General Public License version 2 | Open Source Initiative

R Licenses 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. Which License Should I Use? MIT vs. Apache vs. GPL | Exygy Jun 21, 2016

See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. Also add information on how to contact you by electronic and paper mail.

The GNU General Public License (GNU GPL or GPL) is a series of widely used free software licenses that guarantee end users the freedom to run, study, share, and modify the software. The licenses were originally written by Richard Stallman , former head of the Free Software Foundation (FSF), for the GNU Project , and grant the recipients of a Jun 29, 2007 · The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. Most GPL version 2 software is actually licensed as "GPL version 2 or any later version", or words to similar effect, which is commonly understood as a grant under GPL version 2, section 9 of an "option to follow the terms and conditions . . . of any later version" of the GPL. In this case, even if you are not the original licensor of the GPL

GNU Library General Public License v2.0 - GNU Project

Exception to Section 3 of the GNU GPL. You may convey a covered work under sections 3 and 4 of … What is a Lesser General Public License (LGPL