<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Olá Jeferson <div><br></div><div>If you become a sustaining member you can put a badge on your site while your membership is valid: </div><div><br></div><div><a href="https://www.qgis.org/en/site/getinvolved/governance/sustaining_members/sustaining_members.html#sustaining-membership">https://www.qgis.org/en/site/getinvolved/governance/sustaining_members/sustaining_members.html#sustaining-membership</a></div><div><br></div><div>You can also be added here if you provide general support, though it is not clear from your email if this is the case:</div><div><br></div><div><a href="https://www.qgis.org/en/site/forusers/commercial_support.html">https://www.qgis.org/en/site/forusers/commercial_support.html</a></div><div><br></div><div>Regards </div><div><br></div><div>Tim<br><br><div dir="ltr"><br></div><div dir="ltr"><br><blockquote type="cite">On 13 May 2021, at 21:02, jeferson da Silva <jeferson77722@gmail.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="ltr">Thanks for your help,<div><br>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?<br>I ask this because some of my clients may ask this question.<span class="gmail-im" style="color:rgb(80,0,80)"><br><div><br></div><div><div style="margin:0px;padding:0px 0px 20px;width:1119.2px;font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:medium"><div><div id="gmail-m_-3419168682049945899gmail-:4fi" style="font-size:0.875rem;direction:ltr;margin:8px 0px 0px;padding:0px"><div id="gmail-m_-3419168682049945899gmail-:481" style="overflow:hidden;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:small;line-height:1.5;font-family:Arial,Helvetica,sans-serif"><div dir="ltr"><div><div><font color="#6fa8dc"><b><i>Jeferson da Silva de Jesus: Agricultural technician, majoring in Systems Development Analysis.</i></b></font></div><div><font color="#6fa8dc"><b><i>CEO from Trindade Company. </i></b></font></div><div><font color="#6fa8dc"><b><i>WhatsApp: +55 71 99261-9642</i></b></font></div></div></div></div></div></div></div></div></span></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Em qui., 13 de mai. de 2021 às 16:22, Even Rouault <<a href="mailto:even.rouault@spatialys.com">even.rouault@spatialys.com</a>> escreveu:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>Jeferson,</p>
<p>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)</p>
<p>See
<a href="https://www.gnu.org/licenses/gpl-faq.en.html#DoesTheGPLAllowMoney" target="_blank">https://www.gnu.org/licenses/gpl-faq.en.html#DoesTheGPLAllowMoney</a></p>
<p>And also
<a href="https://lists.osgeo.org/pipermail/discuss/2021-March/039273.html" target="_blank">https://lists.osgeo.org/pipermail/discuss/2021-March/039273.html</a><br>
</p>
<p>Even<br>
</p>
<div>Le 13/05/2021 à 21:08, jeferson da
Silva a écrit :<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hello,
<div><br>
</div>
<div>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?<br>
Attached images of the plugin and interface.<br>
QGIS Version: 3.18.2<br>
<div><br>
</div>
<div><b><i>Jeferson da Silva de Jesus: Agricultural
technician, majoring in Systems Development Analysis.</i></b></div>
<div><b><i>CEO from Trindade Company. </i></b></div>
<div><b><i>WhatsApp: +55 71 99261-9642</i></b></div>
</div>
</div>
<br>
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My software is free, but my time generally not.</pre>
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