[Interest] App release

[Elvis Stansvik]

Den tors 21 mars 2024 01:44Thiago Macieira <thiago.macieira at intel.com>
skrev:

> On Wednesday, 20 March 2024 17:27:26 PDT Turtle Creek Software wrote:
> > We are ready to release a free alpha version of our accounting app for
> Mac
> > & Windows. The plan is to use LGPL while still in beta, then switch to a
> > commercial license and static Qt when it's ready to sell.
> >
> > Will the switch cause licensing problems?
>
> The LGPL will not cause you legal problems. But you must remember that the
> licence you gave to those recipients is irrevocable: they can continue
> using
> it, distributing it and even developing it after you've made your
> production
> release. You may want to think more about your business case here, because
> some potential paying customers may decide they don't want to pay you if a
> nearly as good version is open source.
>

I'll let Casey confirm, but the way understood it, the license switch
question was regarding the license under which they use Qt.

I.e. they were planning on

- Freeware but closed sourced/proprietary license for app + Qt under LGPL
during beta phase

- Commercial/proprietary licemse for app + Qt under commercial license when
they're out of beta and ready to make money

So the app would never be open source.

Please confirm Casey.

Elvis


> You should also check with Qt Company sales what terms they'll sell you a
> licence under. In the past, they usually required that you retroactively
> buy
> for the time you spent developing the application.
>
> > How do people usually distribute QT for dynamic linking?  Our
> users/testers
> > are not very tech savvy.
>
> For Mac, it's easy:  use macdeployqt and everything is inside your
> application's bundle.
>
> For Windows, you'll need to make an installer to deploy your .exe and all
> the
> Qt libraries and plugins. windeployqt can prepare the installation target,
> but
> the installer itself is up to you. You can use the Qt Installer Framework
> if
> you wish, or something else.
>
> --
> Thiago Macieira - thiago.macieira (AT) intel.com
>   Principal Engineer - Intel DCAI Cloud Engineering
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> Interest at qt-project.org
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>
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