[Interest] App release

[Thiago Macieira]

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.

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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