Selling Linux to Windows Users

Florian Diesch diesch at
Mon Dec 15 11:52:50 UTC 2008

Knapp <magick.crow at> wrote:

> On Mon, Dec 15, 2008 at 10:23 AM, Florian Diesch <diesch at> wrote:
>> Knapp <magick.crow at> wrote:
>>>> Gilles.
>>> Commercial developers of Linux.
>>> You missed a big one here. This one was a bit of a shock to me. KDE
>>> was not free! To be more exact QT (the lib of KDE) is a company.
>>> I always thought it was just like the kernal.
>> Qt is available under GPL, so it's free. It's available under a
>> commercial licence, too, for people developing closed source
>> software. That's a quite common business model in the FOSS world.
>> When KDE started Qt wasn't free, there just was a 'free for
>> non-commercial use' type of license. This led to much discussions and
>> flame wars, and ultimately to make GTK independent of The Gimp and to GNOME.
> Just to be clear, I said, "WAS not free", "not IS not free"
> Also as best as I can tell the gui making tools are still not free. I
> respect the rights of a company to work this way to make a profit but
> it would be nice to have the gui editor free also. Perhaps I miss one
> that is free?

The Qt Designer is released under GPL. There isn't a *commercial*
license for Designer.

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