[Product-Developers] Non-open source plone plugins?

Dylan Jay djay at pretaweb.com
Wed Jul 31 07:22:07 UTC 2013

Thanks Guys.

Just to be clear, we weren't planning on selling a plugin as thats not really our style, but I did notice a prominent Plone company now seems to be selling rather than freely distributing some very useful plugins, which is a shame.

Dylan Jay
Technical Solutions Manager
PretaWeb: Multisite Performance Support
P: +612 80819071 | M: +61421477460 | twitter.com/pretaweb | linkedin.com/in/djay75

On 31/07/2013, at 5:16 PM, Jean Jordaan <jean.jordaan at gmail.com> wrote:

> On Wed, Jul 31, 2013 at 2:03 PM, Dylan Jay <djay at pretaweb.com> wrote:
>> My understand was that you couldn't license a plone product with anything
>> other than a GPL license due to the Plone GPL license. Does that prevent you
>> from being to sell a plugin
> Selling a plugin is fine: "we encourage people who redistribute free software
> to charge as much as they wish or can"
>  http://www.gnu.org/philosophy/selling.html
>> and not publish the plugin on pypi or plone.org?
> You only need to make the source code available to the buyer, though you are
> allowed to distribute it more widely. The buyer in turn also has the freedom
> to modify or distribute the software. Neither is obliged to distribute it; see
> Google and others who use GPL software and never make the code available.
> """
> Thus, you should be free to redistribute copies, either with or without
> modifications, either gratis or charging a fee for distribution, to anyone
> anywhere. Being free to do these things means (among other things) that you do
> not have to ask or pay for permission to do so.
> You should also have the freedom to make modifications and use them privately
> in your own work or play, without even mentioning that they exist. If you do
> publish your changes, you should not be required to notify anyone in
> particular, or in any particular way.
> """
>  http://www.gnu.org/philosophy/free-sw.html
> IANAL ...
> -- 
> jean                                              . .. .... //\\\oo///\\

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