Originally posted by anda_skoa
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Originally posted by mSparks View Postso everyone using Qt charts has to abide by the GPL?
Just like for any other GPL licensed software component you are using.
Regardless of chosen license you'll always have the code of Qt and can make changes.
As I wrote before in a reply to qarium this is a main advantage of Qt over any closed source library
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Originally posted by anda_skoa View Post
If that is the license you've chosen than those are the terms you have to comply with.
Just like for any other GPL licensed software component you are using.
Regardless of chosen license you'll always have the code of Qt and can make changes.
As I wrote before in a reply to qarium this is a main advantage of Qt over any closed source library
what is this open source commercial licence you refer to?
they say
Qt Commercial License users are not required to comply with Open-Source terms and conditions. For example, Commercial License users have full freedom to manage their own intellectual property (IP).
Commercial Licenses give access to a series of extra benefits that substantially help customers in their journey.
so based on that, and what Nth_man just said, Qt should all be bsd licenced now.Last edited by mSparks; 13 May 2024, 06:09 AM.
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Anyone can use Qt, study it, modify it, adapt it, distribute it, etc. If that changed in new versions, "a timeframe of not more than 12 months" exists. Customers can pay and not share their own source code (even if that source code uses Qt).
> rene wrote [...]
Qt and KDE Plasma works fine, in fact I'm writing this using it. Anyone can see it for himself downloading a Kubuntu 24.04 .iso (https://kubuntu.org/getkubuntu/) and booting from it (or using it on a virtual machine).
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Originally posted by mSparks View Postafaics the qt terms say qt charts is available as a commercial licence or a GPL licence.
Originally posted by mSparks View Postwhat is this open source commercial licence you refer to?
A major advantage over any potential competitor with a closed source license.
Originally posted by mSparks View Post​
so based on that, and what Nth_man just said, Qt should all be bsd licenced now.
In most cases it is just the same release, from the same tag in GIT, just uploaded to different download portals
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Originally posted by anda_skoa View PostExactly, as I had mentioned several posts ago.
GPL licenced software is an entirely different ball game.
Originally posted by anda_skoa View Postbut also the rights to make changes and distribute those as part of your products.
Basically what you are saying is according to what Nth_man said, we can now treat Qt as BSD licenced.
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Originally posted by mSparks View PostNo, you said LGPL,
Qt is also licensed under GPL v2 and GPL v3.
Originally posted by mSparks View Postthat's entirely safe to use with closed source software as is.
Originally posted by mSparks View PostGPL licenced software is an entirely different ball game.
Originally posted by mSparks View PostGPL requires the source for those changes AND the source for the products to be made publicly available.
Alternatively, section 3b allows you to include a written offer to make it available on request, to any third party.
Originally posted by mSparks View PostAnything else is closed source.
In the rare cases you do, e.g. you are a government and got access to sources of software that is normally closed source, you are not allowed to change them and distribute the software built from that.
Originally posted by mSparks View PostBasically what you are saying is according to what Nth_man said, we can now treat Qt as BSD licenced.
That has never happened so far as each version is released, usually simultaniously, under several open software licenses.
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Originally posted by anda_skoa View Post
Qt is also licensed under GPL v2 and GPL v3.
Originally posted by anda_skoa View PostWith closed source you don't get sources.
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Originally posted by mSparks View PostBasically what you are saying is according to what Nth_man said, we can now treat Qt as BSD licenced.
it is not BSD licenced because you have to pay money for the Qt commercial license
so its only be able to make it closed source for people who pay money.Phantom circuit Sequence Reducer Dyslexia
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Originally posted by qarium View Post
if it would be BSD licenced then you could make it closed source for free.
it is not BSD licenced because you have to pay money for the Qt commercial license
so its only be able to make it closed source for people who pay money.
Because Qt is closed source, its not BSD licenced, and the only people that could make it bsd are the ones selling the closed source licence.
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