They are using a modified GNU logo. They made a circle around it and wrote 100% software libre - 100% free software.
That’s different. That may be permissible. Better to e-mail email@example.com and ask if they are ok with that.
What they also do:
It’s the GNU logo. It doesn’t directly illustrate libre software.
Same way others must not use Whonix logo to illustrate libre software. Just because Whonix is libre software, doesn’t mean it’s logo’s purpose is to illustrate that.
It’s the GNU logo. It doesn’t directly illustrate libre software. Just because GNU is libre software, doesn’t mean it’s logo’s purpose is to illustrate that.
Just read this line by line in pieces.
They mention three cases.
The GNU head is, however, also a trademark for the GNU Project.
If you want to use the GNU head to link to a website run by the Free Software Foundation or the GNU project, feel free,
We don’t want to use the logo just to link to a GNU project of FSF website.
or if you’re using it in contexts talking about GNU in a supportive and accurate way, you can also do this without permission.
We don’t want to use the logo in context of talking about GNU.
For any other requests, please ask <firstname.lastname@example.org> for permission first.
The purpose “illustrate libre software” falls into the category of
For any other requests.
I’ve that still doesn’t sound convincing, then nothing can convince you. In that case, please prepare a draft to e-mail email@example.com so GNU / FSF can be asked.