<p>
I went to <a href="https://Ubuntu.com">https://Ubuntu.com</a> - <a href="https://Xubuntu.org">https://Xubuntu.org</a>, <a href="https://getfedora.org/">https://getfedora.org/</a> and <a href="https://www.opensuse.org/">https://www.opensuse.org/</a> to see how donations with the linux vendors worked.
</p>
<p>
The only one that I found was non profit was debain.  It a real nonprofit certification in the USA.
</p>