If you are looking to ensure that derivative works aren't relicensed, and you want to use an existing license (which I recommend) then you are looking for a copyleft license.
I like this interactive guide to software licenses: http://oss-watch.ac.uk/apps/licdiff/ On Fri, Dec 11, 2015, 10:35 Andreas Tille <andr...@an3as.eu> wrote: > Hi Jim, > > On Fri, Dec 11, 2015 at 09:03:50AM +0100, Jim Kent wrote: > > Perhaps I did not phrase it directly enough. I ended my last email with > > > > > Perhaps in your files is a license that has a word or two on this > > subject > > > > > already? > > > > By this I mean, do you have a license that mentions something about not > > allowing sublicenses on the license? Could you send it to me if you do? > > I'm afraid I'm not sure what you mean by "sublicenses". Do you think > that redistribution of possibly changed code is "sublicensing"? Please > check whether the license you have in mind will have any conflict with > the following DFSG guidelines which are widely accepted as open source > definition: > > https://www.debian.org/social_contract#guidelines > > If you see any conflict in any of these items we probably can not find > any license that will fit your needs. It would help if you would > exactly specify what you want to approach with the license. > > Kind regards > > Andreas. > > -- > http://fam-tille.de > > _______________________________________________ > Debian-med-packaging mailing list > debian-med-packag...@lists.alioth.debian.org > > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/debian-med-packaging >