At Joinup.eu, we had the question once regarding the use of the EUPL (or the use of the CeCILL licence). The answer is that you can enforce confidentiality (e.g. a NDA during the development of the project, during an initial period) through a signed contributor agreement (e.g. based on the Harmony.org framework) assigning the distribution rights to a leading organisation and allowing this organisation to distribute the software under license X. However if this distribution licence X is OSD compliant (GPL, LGPL or any other), you cannot try to restrict redistribution (or try to practice a kind of follow-up with "your word to say"). Once distribution will be validly done under this licence, no NDA can be enforced. P-E
2013/10/3 Quentin Lefebvre <[email protected]> > Hi, > > Currently working on an open source project, we are looking for an > appropriate license for it. > > We would like something that allows us to work with people in a way such > that : > - we can be informed of modifications of our program by developers, > - we can have "our word to say" about redistribution of modified code > (i.e. we would like to be able to explicitly authorize people to share the > modified code). > > There is something in the GNU (L)GPL in article 2 that looks like what we > want, but this 2nd article is not so obvious and seems in contradiction > with others. Here is what is said : > > "You may convey covered works to others *for the sole purpose of having > them make modifications exclusively for you*, or provide you with > facilities for running those works, provided that you comply with the terms > of this License in conveying all material for which you do not control > copyright. Those thus making or running the covered works for you must do > so exclusively on your behalf, under your direction and control, *on terms > that prohibit them from making any copies of your copyrighted material > outside their relationship with you*." > > But in GNU GPL's FAQ, here is what we found : > http://www.gnu.org/licenses/**gpl-faq.en.html#**DoesTheGPLAllowNDA<http://www.gnu.org/licenses/gpl-faq.en.html#DoesTheGPLAllowNDA>, > http://www.gnu.org/licenses/**gpl-faq.en.html#**DoesTheGPLAllowModNDA<http://www.gnu.org/licenses/gpl-faq.en.html#DoesTheGPLAllowModNDA>, > http://www.gnu.org/licenses/**gpl-faq.en.html#**DevelopChangesUnderNDA<http://www.gnu.org/licenses/gpl-faq.en.html#DevelopChangesUnderNDA>. > > I'd be very pleased to have more information and explanations about this > kind of non disclosure agreement. How is it possible exactly under the GPL > or LGPL terms ? > Should we maybe choose another license for our purpose ? > Are our goals in total contradiction with open source software ? > > Thanks in advance for any suggestion. > Best regards, > Quentin Lefebvre > INRIA > Secure and Mobile Information Systems project > ______________________________**_________________ > License-discuss mailing list > [email protected] > http://projects.opensource.**org/cgi-bin/mailman/listinfo/** > license-discuss<http://projects.opensource.org/cgi-bin/mailman/listinfo/license-discuss> > -- Patrice-Emmanuel Schmitz [email protected] tel. + 32 478 50 40 65
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