Bug#692728: Possible GPL violation: Geogebra

[Søren Bredlund Caspersen]

On Tue, 28 Jan 2014 20:28:40 +0100 Hendrik Weimer <hendrik at enyo.de> wrote:
> Sylvestre Ledru <sylvestre at debian.org> writes:
>
> > From it last few releases, geogebra is released under GPL with a non
> > commercial clause.
> >
> > Besides the fact that it seems invalid, it also ships Jlatexmath (which
I co
> > maintain) which is published under the GPL v2.
>
> If the program is a derived work of both the GPLed source code and the
> CC-BY-SAed language files, the resulting work has already been
> non-distributable before because the two licenses are incompatible. The
> new NC clause and the vague statements on the website only add insult to
> injury.
>
> You should contact Jlatexmath upstream to check whether they gave an
> exemption to geogebra. If not, they might want to apply some pressure.
>
> Hendrik

Greetings everyone.

This issue is almost 10 years old now...

Has anyone tried applying legal pressure to GeoGebra. If they are violating
licences of Jlatexmath (and others) it sounds like a clear cut case?
Perhaps FSFE or someone similar would be willing to help out with building
and arguing a legal case?
https://fsfe.org/activities/legal.en.html


Alternatively, has anyone considered forking GeoGebra?
How much time would it take to clear out all the disputed / non-free
licensed files, and get to a product with a free license?

Kind regards
Søren
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