This repository is meant to aid study / version comparison for all GNU GPL licenses
...it is free...
instructions:::::::::::::::::::::::::::::::::::::::::::::: ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
all license versions are organized by version number under commits. GNU licenses under the same version number are contained within the same commit. click on commit for corresponding version and then do a page search ".txt" to jump through to the license of interest.
here are links for all relevant documents::::::::::::::::: ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
GPL1.0 https://www.gnu.org/licenses/gpl-1.0.txt
GPL2.0 https://www.gnu.org/licenses/gpl-2.0.txt
GPL3.0 https://www.gnu.org/licenses/gpl-3.0.txt
LGPL2.0 https://www.gnu.org/licenses/lgpl-2.0.txt
LGPL2.1 https://www.gnu.org/licenses/lgpl-2.1.txt
LGPL3.0 https://www.gnu.org/licenses/lgpl-3.0.txt
AGPL3.0(aplies to web-server-apps) https://www.gnu.org/licenses/agpl-3.0.txt
autoconf3.0exception https://www.gnu.org/licenses/autoconf-exception-3.0.html
gcc3.0exception https://www.gnu.org/licenses/gcc-exception-3.0.html
gcc3.1exception https://www.gnu.org/licenses/gcc-exception-3.1.en.html
FDL1.1 https://www.gnu.org/licenses/old-licenses/fdl-1.1.txt
FDL1.2 https://www.gnu.org/licenses/old-licenses/fdl-1.2.txt