I have one question on using Oxygen Icons in my proprietary software

[Jonathan Riddell]

Yes the steps you describe should be enough to legally distribute the
Oxygen icons with your application.  You should credit KDE as well.
Interactive GUI apps often have a Help menu item to do it.

Good luck with it

Jonathan Riddell

On Fri, 15 Nov 2019 at 07:51, Theo Cai <theo.cai at outlook.com> wrote:

> Hello KDE Webmasters:
>
> I am developing one application running in PC which needs some icons. I
> find these great icons from following website:
>
> *www.iconarchive.com/show/oxygen-icons-by-oxygen-icons.org.html
> <http://www.iconarchive.com/show/oxygen-icons-by-oxygen-icons.org.html>*
>
> According to information in link above I find the license information:
>
> *https://techbase.kde.org/Projects/Oxygen
> <https://techbase.kde.org/Projects/Oxygen>*
>
> *https://techbase.kde.org/Projects/Oxygen/Licensing
> <https://techbase.kde.org/Projects/Oxygen/Licensing>*
>
> It looks like that I can use these icons in my application(closed source
> and non-free software) if I use these icons as the way indicated in the
> license:
>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>
> Use in Applications
>
> Oxygen Icons can be used with computer programmes, including proprietry
> applications or ones covered by non-GPL licences.
> In your source code you must include a copy of the LGPLv3 licence text
> making it clear which files it applies to and point to http://www.kde.org/.
> You must also include the SVG of the relevant icons even if they are not
> used by the application (this is the preferred modifiable form).
> With your application binary you must also include a copy of the LGPLv3
> licence text making it clear which files it applies to and point to
> http://www.kde.org/. If you do not include the icon SVGs you must make it
> clear how the user can get them (for a free software application this will
> be as part of the source code).
> There is one license issue to watch for with proprietary applications, you
> should not embed the icon into the application binary. This happens if you
> use Qt resource files or .net linking. This would mean the whole
> application is now LGPL. Instead you should keep the .png as a separate
> file and load it at runtime. (There are provisions in the LGPL for allowing
> this if you have a mechanism to relink to a modified version but most
> applications do not have such a mechanism).
>
> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
>
> Now, I just use some icons(less than 20 icons, format is png) in my
> software. I also include the LGPLv3 file, the license information(fetched
> from: https://techbase.kde.org/Projects/Oxygen/Licensing) in my
> application package.
>
> Are these steps are enough for me to publish my software in market? Do you
> have any suggestions?
>
> Thanks.
>
> Regards,
>
> 15/11/2019
>
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