Re: [OpenSIPStack] OpenSipStack License

[Joegen E. B. <joe...@gm...>]

MPL is the default license for opensipstack.  GPL/LGPL are alternative 
licenses.  The reason we chose to go tipple license is because of the 
inherent   incompatibility between MPL and GPL.  MPL allows for 
applications using the library to be closed source as long as there is 
no changes made to the library, while GPL is viral and requires all 
derived work to be open-source.  The motivation behind the MPL is to 
allow application developers to use proprietary libraries such as codecs 
that cannot be published in open-source because of patent or copyright 
issues or simply because the library reveals trade secrets of the 
company using the library.  For those whose applications are already 
under the GPL/LGPL they could simply choose the alternate license 
without having to get our permission because the license readily allows it.

John Rexie Mercado wrote:
> Hi!
>
> Why is that OpenSipStack under a triple license?
> Is GPL not sufficient?
> And why the licenses you have chosen, why not other open source licenses?
>
> Thanks!
>