[QGIS-Developer] Questions about QGIS plugin sales

[jeferson da Silva]

Thanks for your help,

I understand about the GPL v2 + license from QGIS. Is there any kind of
certificate (or attestation) that I may have from QGIS plugin developers or
something? Or my company to join QGIS?
I ask this because some of my clients may ask this question.

*Jeferson da Silva de Jesus: Agricultural technician, majoring in Systems
Development Analysis.*
*CEO from Trindade Company. *
*WhatsApp: +55 71 99261-9642*

Em qui., 13 de mai. de 2021 às 16:22, Even Rouault <
even.rouault at spatialys.com> escreveu:

> Jeferson,
>
> yes, you can sell plugins, but you'll have to distribute the source code
> of it, or make a written offer to have access to it, to your customers
> under the GPL v2+ license of QGIS (which mean they could also potentially
> redistribute the source code freely, in all meaning of the word, to anyone
> else)
>
> See https://www.gnu.org/licenses/gpl-faq.en.html#DoesTheGPLAllowMoney
>
> And also https://lists.osgeo.org/pipermail/discuss/2021-March/039273.html
>
> Even
> Le 13/05/2021 à 21:08, jeferson da Silva a écrit :
>
> Hello,
>
> My name is Jeferson and I have a company in Brazil called Trindade
> Company, which map cities with Drones and recently created a plugin and
> interfaces for QGIS, for urban taxation, do tax calculations automatically
> and synchronize with a bank of data. My question is, can I sell these
> plugins? How can my company be a representative or partner of QGIS?
> Attached images of the plugin and interface.
> QGIS Version: 3.18.2
>
> *Jeferson da Silva de Jesus: Agricultural technician, majoring in Systems
> Development Analysis.*
> *CEO from Trindade Company. *
> *WhatsApp: +55 71 99261-9642*
>
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> -- http://www.spatialys.com
> My software is free, but my time generally not.
>
>
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