Hi, I have a question regarding licensing of Plone addons.
Context: The CMS Plone 4 is GPL v2 and is build upon Zope. Zope is under ZPL license which is BSD-like but it also adds clauses prohibiting trademark use and requiring documentation of all changes. Some core libraries of Plone are distributed under BSD license. I know I can't use GPLv3 for Plone addons (ie. Cyn.in can't be updated to use Plone4) Now the questions: - Is there any default licensing for Plone addons? - If I want to create a product a là Cyn.in do I need to publish this project as GPLv2? - What is the GPL version when I just write "GPL"? (This is the case for many Plone addons.) - Can a Plone addon be licensed under the BSD license? Regards / Cordialement, JeanMichel FRANCOIS Find me on Twitter <http://twitter.com/toutpt> / Retrouvez moi sur Twitter<http://twitter.com/toutpt_nantes>
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