Le 25/01/2013 14:39, Servilio Afre Puentes a écrit : > Jean-Michel FRANCOIS <[email protected]> writes: > >> 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) > Are you sure this is the reason it can't be updated? Both Plone 3[1] and 4[2] > use GPLv2.
GPLv2 and GPLv3 are not compatible. >> Now the questions: >> >> - Is there any default licensing for Plone addons? > I don't think so, have you checked the site[3]? Check this book and this compatibility table: http://www.framabook.org/docs/optionlibre/OptionlibreDubonusagedeslicenceslibres/chapitre-71-fr.html > >> - If I want to create a product a là Cyn.in do I need to publish >> this project as GPLv2? > As per the GNU compatibility matrix[4], you could also use GPLv2 or > later. Not exactly, the matrix is cheating on this point : http://www.gnu.org/licenses/gpl-faq.en.html#compat-matrix-footnote-3 -- Encolpe DEGOUTE http://encolpe.degoute.free.fr/ Logiciels libres, hockey sur glace et autres activités cérébrales _______________________________________________ Product-Developers mailing list [email protected] https://lists.plone.org/mailman/listinfo/plone-product-developers
