Bug#692728: Possible GPL violation: Geogebra

Sylvestre Ledru sylvestre at debian.org
Wed Jan 29 04:34:35 UTC 2014


On 28/01/2014 11:28, Hendrik Weimer 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.
OK. Thanks for the information.
> You should contact Jlatexmath upstream to check whether they gave an
> exemption to geogebra. If not, they might want to apply some pressure.
>
I am sorry I didn't provide the information but I am one of the
maintainer of jlatexmath
(Calixte Denizet, as cc being the main developer).
We didn't provide any exemption. And, even if we want to do that (which
we don't want),
we could not since jlatexmath is a fork of jmathtex (GPL).
We applied pressure and it didn't work.

Thanks,
Sylvestre



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