Re: GTK+ and license
- From: Owen Taylor <otaylor redhat com>
- To: Roger Alain <alain roger lynx sk>
- Cc: gtk-devel-list gnome org
- Subject: Re: GTK+ and license
- Date: Wed, 03 Mar 2004 14:31:18 -0500
On Tue, 2004-03-02 at 02:19, Roger Alain wrote:
> Hi,
>
> Our company needs to develop an application under linux in C++.
> however, has our project will be paid by our customer we are looking for some
> X-window librairies which are free of charge.
> I know that your competitors KDE team use Qt. And in case of commercial development and use of KDE we must buy a Qt license.
>
> I would like to know if GTK+ is fully free of charge even if for commercial use ?
> We will just use your librairies without any modification.
>
> So if it's possible, i would like to know the procedure. Should we place something
> in our application telling that we use GTK+ or something else ?
Please see the file COPYING in the GTK+ distribution for full details,
and ask a lawyer if you have any questions.
But put very simply:
- If you distribute binaries of GTK+ with your application, you must
distribute the source to GTK+ (including any modifications you make
to GTK+), or make that source available on request.
- Your users must be able to modify the GTK+ sources, recompile,
and use that modified version with your application.
If you are simply using the version of GTK+ that comes with the
operating system via dynamic linking, then there are basically no
restrictions placed on your application. (The license on GTK+ is
the same as the license of the GNU/Linux C library.)
There are no fees for using GTK+ in any case.
BTW, this question would probably better be sent to gtk-list rather than
gtk-devel-list, which is about new development on GTK+ itself.
Regards,
Owen
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