[wp-hackers] Premium plugin protection

Andy Charrington-Wilden andycharrington at gmail.com
Sun Dec 12 11:38:36 UTC 2010

Ok that's what I was missing. My ignorance of gpl means I did not understand derivative works. Although it is still a bit grey as you say!

I'm not sure of the relevance of the timing yourself comment....

I think it's probably time to wrap this discussion up! I can feel a little tension building! 

A very interesting conversation with you all. Thank you for your help and advice!

I'm off to research derivative works under the gpl. Fun!

Thanks again. 

Sent from my iPhone

On 12 Dec 2010, at 10:58, Ryan Bilesky <rbilesky at gmail.com> wrote:

>> Please correct me if I'm wrong but
>> http://wordpress.org/extend/plugins/about/
>> Seems to imply that a plugin has to be gpl compatible to be hosted on .org.
>> It does not say that a plugin not hosted on .org has to be gpl compatible.
>> Does it?
> The GPL license states that derivative works must be GPL licensed too.   It
> is a bit or a grey area though as to whether plugins and themes are
> derivative works, the official stance is they are derivative works therefore
> they must be GPL licensed, but as I have mentioned before that doesn't
> necessarily make that so, an argument can be made for plugins and themes not
> being derivative thus no requirements as to how they are licensed.
> Plugins and themes on the WPORG repo are a diffrent thing though because you
> argree to make them GPL by submitting them, its hidden in the terms on that
> page you linked to.
>> It seems that profiting from plugins is a bit of a taboo subject. Is this
>> because it is genuinely frowned upon by the community or because it is
>> actually against the ethos of wordpress. Which may be the same thing.
> idk about that, there are many premium plugins and themes avalible and AFAIK
> I don't see that such is being frowned upon.
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