[Zope] Re: [Plone-Users] ZPL and GPL: What should one consider when choosing a license?

fairwinds at eastlink.ca fairwinds at eastlink.ca
Sat Dec 22 20:49:51 EST 2007

Hi Martin. What you advocate would represent a milestone for the PF if any such inniative could gather traction. The componentization of Zope and Plone only brings the sharing issue into sharper focus. Overall, there is little need to duplicate generic recipes, authentication plugins, and other common componentry. This type of sharing could only increase colaboration and strengthen the software.

I don't agree with introducing another license into the mix however if this were considered. The ZPL is the license has generated the success of zope and is comfortable to zope developers.


----- Original Message -----
From: Martin Aspeli <optilude at gmx.net>
Date: Saturday, December 22, 2007 4:01 pm
Subject: Re: [Plone-Users] ZPL and GPL: What should one consider when	choosing a license?

> Tres Seaver wrote:
> > Rehashing GPL vs ZPL is off topic here, because the ZPL is the
> > *mandated* license for any code contributed into the zope.org
> > repository:  that choice is not subject to debate.
> And similarly, Plone core (at the very least, the CMFPlone package 
> and 
> the plone.app.* namespace, but probably some or all other things 
> too) 
> are mandated by the Plone Foundation to be GPL licensed.
> I personally prefer plone.* packages (which are more re-usable) to 
> be 
> LGPL or ZPL licensed so as to encourage re-use, but AFAIK there's 
> never 
> been a clear position on this, which is unfortunate.
> Martin
> -- 
> Author of `Professional Plone Development`, a book for developers who
> want to work with Plone. See http://martinaspeli.net/plone-book
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