Thanks Claudio! that's good to know

On Wed, Aug 24, 2016 at 3:45 PM, Cláudio Pinheiro <taup...@gmail.com> wrote:

> In general the Qt licensing is as follows: You can create a commercial app
> with Qt of a library that dynamically links to it if you want so. The
> Community Edition is distributed under LGPL, so you don't need to release
> your source code but has to provide a reasonable way to download Qt. If you
> change/patch Qt Community Edition itself then you must offer your
> modifications under the LGPL.
> Some extra Qt modules are GPL licensed, and to distribute your program
> linked with GPL modules you must license it under GPL too, meaning that you
> must provide the source code of your program under the aforementioned
> license.. Depending on what Qt version you're using, such modules may be
> available under GPL2 or GPL3. Newest ones (as of Qt 5.7) are GPL3. If you
> don't intend to distribute your code, and the compiled program is for your
> own personal, individual, exclusive use only, then you don't need to
> release anything.
> If you want to develop open source software, you must choose a license
> compatible with LGPL/GPL, If you intend to do so using a license other than
> GPL, LPGL, MIT, BSD or Public Domain, you should check with someone more
> knowledgeable, like a Lawyer. Some open source licenses are incompatible
> with GPL. Apache License is one to avoid.
> Besides Qt, every single other library you intend to use must have its
> license compatibility assessed. As an example, Steinberg's VST Library has
> a license totally incompatible with GPL. LMMS is able to use VST
> instruments because of Vestige, that doesn't use code from Steinberg.
>
>
> Happy hacking!
>
>
> Cláudio
>
>
> P.S.: Sorry for the previous email. I'm a bit odd today. :)
>
> 2016-08-24 10:47 GMT-03:00 Tres Finocchiaro <tres.finocchi...@gmail.com>:
>
>> > I was wondering a) what constitutes a working knowledge of C++ for
>>> developing
>>>
>>
>> Some of the most active devs today don't have a C++ background, so this
>> varies greatly.  There's no barrier to entry really, just good PRs, and
>> they don't have to be good at first, just have to be good before being
>> merged.
>>
>>
>>> > b)what the most favored IDE is
>>>
>>
>> Qt Creator, unofficially.
>>
>> QtCreator Initial loading
>> http://youtu.be/XTWnQPGL9xs
>>
>> QtCreator tips
>> http://youtu.be/3OzGXfm6fqE
>>
>>
>>
>>
>>
>>> > c) if any of the legal stipulations involved with the Open Source
>>> licensed Qt Creator are worth worrying about
>>>
>>
>> After reviewing the FAQ on Qt's website, it doesn't look like it.  When
>> using the Community Edition of the software (non-commercial) they offer
>> LGPL and GPL options, but I'll have to defer this question to someone like
>> Javier Serrano Polo (@jasp00).
>>
>> Welcome, we look forward to the help!
>>
>> We have 463 open bug reports <https://github.com/LMMS/lmms/issues>, we
>> could use some bug squashers. :)
>>
>> -Tres
>>
>> ------------------------------------------------------------
>> ------------------
>>
>> _______________________________________________
>> LMMS-devel mailing list
>> LMMS-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/lmms-devel
>>
>>
>
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