On 9 February 2015 at 17:00, Kevin Redona <kiloreconzro...@yahoo.com> wrote:
> Hello all. Are plug-ins for GIMP free to use commercially as well (example:
> Chroma Key)? I would appreciate your response.
In fact, the "official" plug-ins are all those that are shipped with
GIMP source code - and only those.
These official plug-ins are under GPLv3 or later, just as GIMP itself.
Everything else is not covered - and each plug-in might have its own license.
I remember several years ago about a discussion on the developer list
about that there should bean explicit exemption
of the GPL for third party plug-ins (since, for example, there was
even a plug-in that allowed use of photshop binary plug-ins at the
time). - and the result of that discussion it is there in the
"LICENSE" file that ships with the source code
GIMP's "LICENSE" file:
* The GIMP application core, and other portions of the official GIMP
distribution not explicitly licensed otherwise, are licensed under
the GNU GENERAL PUBLIC LICENSE -- see the 'COPYING' file in this
directory for details.
[ The below explicit exemption, we hope, clears up the GIMP
developers' position concerning an ambiguity with the GNU General
Public License concerning what constitutes a 'mere aggregation'
versus a combined or derived work. The intention is to make it
clear that arbitrarily-licensed programs such as GIMP plug-ins do
not automatically assume the GNU General Public License (GPL)
themselves simply because of their invokation of (or by) procedures
implemented in GPL-licensed code, via libgimp or a similar interface
to methods provided by the pdb: ]
* If you create a program which invokes (or provides) methods within
(or for) the GPL GIMP application core through the medium of libgimp
or another implementation of the 'procedural database' (pdb) serial
protocol, then the GIMP developers' position is that this is a 'mere
aggregation' of the program invoking the method and the program
implementing the method as per section 2 of the GNU General Public
* 'libgimp' and the other GIMP libraries are licensed under the
GNU LESSER GENERAL PUBLIC LICENSE -- see the 'COPYING' file in the
libgimp directory for details.
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