------ art_6449_33438374.1126604892067 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline See http://www.gnu.org/licenses/gpl-faq.html#UnreleasedMods You want to use the Affero GPL to achieve the desired effect http://www.affero.org/oagpl.html That said I agree with the answer of many posters in this list: I think it is a bad idea to limit the use of your software like this. P@ PS: I am not a lawier either:-) On 9/13/05, debbie / theanimaro.com <debbie / theanimaro.com> wrote: > > I'm working on a server program and I'm trying to decide which open > source license to use for it. > > Normally I'd just go with GPL, but there's one concern I have about > GPL: If I'm not mistaken, it allows people to modify their software, > and they don't have to release their modifications if they don't > distribute the software to anyone. > > Since my program is a *server* program, I'm concerned that if I release > it under GPL, other people can make improvements to their servers, and > run their improved servers without sharing their improvements with > everyone else. > > Is there an existing well-known open-source license that says "you must > submit any changes you make to the author, even if you aren't > distributing the application to anyone"? > > > -- Patrick Chanezon, AdWords API evangelist http://blog.chanezon.com/ http://www.google.com/apis/adwords/ ------ art_6449_33438374.1126604892067--