GnuPG 2.4.x is the current stable branch of GnuPG
GnuPG 1.4.x is the classic version of GnuPG without support for 
            modern algorithms.
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You may install both versions on the same system as they are
designed to allow for this.
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The directory unstable/ has GnuPG versions which are not intended
for general use.  See the README file in that directory.
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The program GnuPG hosted here is a free software package
of the GNU Project, not a product of the GUUG e.V.  We call it
"Free Software" because you are free to copy and redistribute them,
following the rules stated in the license of the package.  For more
information, see https://www.gnu.org/philosophy/free-sw.html.
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If you are looking for service or support for GNU software, see
https://www.gnu.org/help/gethelp.html for suggestions of where to ask.
A GnuPG specific service directory is at https://gnupg.org/service.html
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If you would like to contribute to the development of one of these
packages, contact the package maintainer or the bug-reporting address
of the package (which should be listed in the package itself), or look
on www.gnu.org for more information on how to contribute.
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More information on GnuPG can be found at https://gnupg.org .
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