CODEWITHSUNDEEP
c++qt
Dail
Dail

Reputation: 4608

Qt libraries for closed C++ applications

I would start using C++ and develop commercials application with GUI. I found Qt libraries and seem that are good for my software.

I saw that Qt has LGPL license, I read that the license allow the developer to create an application and release it with different license, but I don't understand if at the moment I can develop a commercial C++ windows application (closed source) with Qt WITHOUT pay for the Commercial license.

Could someone clarify this point? Thank you!

Upvotes: 1

Views: 228

Answers (2)

user2019716
user2019716

Reputation: 643

if you do so, you have to provide a way to get the source of the libraries under lgpl you are using.

Upvotes: 0

spencercw
spencercw

Reputation: 3358

The LGPL licence means you can use Qt in a commercial application if, and only if, you dynamically link to it. That means using a DLL (or equivalent for your platform) rather than a static library. As long as you do this you can apply whatever licence you like to your actual application.

Look at the Wikipedia article for more information on the LGPL.

Upvotes: 4

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