> Answer to this is: No, it is not allowed to mix commercial "Licensed Software" and the open-source versions provided by The Qt Company in the same project.
What about open-source versions provided by another distributor, e.g. someone doing apt install qtcreator ? Also how is that compatible with this part of the Qt Creator license ? https://code.qt.io/cgit/qt-creator/qt-creator.git/tree/LICENSE.GPL3-EXCEPT#n493 Best, Jean-Michaël On Fri, Mar 27, 2020 at 4:24 PM Tuukka Turunen <tuukka.turu...@qt.io> wrote: > > Hi, > > This seems to become a longer thread than I envisioned, as apparently my > original response was not clear enough. > > In general, if there are any questions or concerns related to licensing, > check the FAQ: https://www.qt.io/faq/ > > If you are looking for advise on licensing, I recommend either to read the > FAQ or consult a lawyer. While everyone here tries their best to give good > advice, it is possible that some incorrect information or interpretation is > presented (because licensing can be a difficult topic). > > Anyways, I'll now explain again the answer to the original question asked. > The question was, as I understood it, "Is it allowed that people working in > a project use commercially licensed Qt and some other persons in the same > project who do not develop Qt use open-source licensed Qt tools?" > > Answer to this is: No, it is not allowed to mix commercial "Licensed > Software" and the open-source versions provided by The Qt Company in the > same project. > > This is a restriction coming from the commercial license agreement: > https://www.qt.io/terms-conditions/ > > The basic rule of thumb is: Don't mix. Use either only commercial or only > open-source versions of items provided by The Qt Company. > > Yours, > > Tuukka > > On 27.3.2020, 16.26, "Interest on behalf of Giuseppe D'Angelo via > Interest" <interest-boun...@qt-project.org on behalf of > interest@qt-project.org> wrote: > > On 27/03/2020 15:03, Tomas Konir wrote: > > > > Sorry for possible misunderstanding, but i think, that original > question > > was little different. > > Question was: > > > > There is company, where are two developer groups: > > Group1: Use QtCreator and works with QT libraries (and works with > other > > code which not use QT libraries). All users have Commercial License. > > Group2: Would like to use QtCreator and not use QT libraries (they > > working only with QT unrelated code). The want use QtCreator only as > IDE > > > > Can both groups use QtCreator? > > I thought, that using QtCreator as IDE is not conditioned with > having QT > > Commercial license. > > The only difference that comes to mind is that the first group can use > Qt Creator under its commercial license, which may come with some > extra > features (not exactly sure of which ones, at this particular point in > time). > > The second group can instead just use Qt Creator under its open source > license. The open source license of Qt Creator itself does NOT extend > in > any way to the software you develop (cf. the GPL FAQ). > > HTH, > -- > Giuseppe D'Angelo | giuseppe.dang...@kdab.com | Senior Software > Engineer > KDAB (France) S.A.S., a KDAB Group company > Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com > KDAB - The Qt, C++ and OpenGL Experts > > > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest >
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