[Zope] Re: ZPL and GPL: What should one consider when choosing a license?

2007-12-21 Thread Ricardo Newbery
On Dec 21, 2007, at 9:48 PM, Alex Turner wrote: au contraire - it is the ZPL which is anti-sharing in my estimation. You do not have to contribute changes back to a project which you extend in a BSD style license, so you can take a BSD style licensed product, extend it, and sell it with

[Zope] Re: ZPL and GPL: What should one consider when choosing a license?

2007-12-21 Thread Ricardo Newbery
On Dec 21, 2007, at 12:53 PM, Ross Patterson wrote: > > [snip some stuff about GPL versus ZPL] > Guys... please don't crosspost. It's hard to follow a thread like this when it gets fragmented across different lists. If you feel the need to solicit advice from multiple communities then IMH

[Zope] Re: ZPL and GPL: What should one consider when choosing a license?

2007-12-21 Thread Ross Patterson
David Pratt <[EMAIL PROTECTED]> writes: > In relation to Chris's post, my understanding of the Zope repository > is that a committer is required to sign an agreement with Zope Corp or > ZF. This requires the code to be licensed as ZPL with 50% of > intellectual rights to Zope Corp or ZF. Hope this

[Zope] Re: ZPL and GPL: What should one consider when choosing a license?

2007-12-21 Thread Ross Patterson
Chris McDonough <[EMAIL PROTECTED]> writes: > On Dec 21, 2007, at 3:53 PM, Ross Patterson wrote: >> >> Unfortunately, the comment by Chris McDonough mentioned in the latter >> doesn't seem to be accessible any more. I'd love to read it. > > It said: > > """ > I don't think Plone is "bad" because

Re: [Zope] ZPL and GPL: What should one consider when choosing a license?

2007-12-21 Thread David Pratt
Hi Ross. The ZPL is a brief and concise license. It is clear on providing attribution of authors and copyright. The other requirements it imposes are fairly minimal. Other than this, it permits the code to be used in virtually any manner. The components in the Zope repository upon which Zope an

Re: [Zope] ZPL and GPL: What should one consider when choosing a license?

2007-12-21 Thread Chris McDonough
On Dec 21, 2007, at 3:53 PM, Ross Patterson wrote: Unfortunately, the comment by Chris McDonough mentioned in the latter doesn't seem to be accessible any more. I'd love to read it. It said: """ I don't think Plone is "bad" because it uses the GPL. I do think it's a pain in the balls to h

Re: [Zope] ZPL and GPL: What should one consider when choosing a license?

2007-12-21 Thread Jeff Gentry
On Fri, 21 Dec 2007, Ross Patterson wrote: > credit me and other contributors as authors of the code they forked. I > have a slight preference to allow proprietary code to depend on my code > without having to open source their code. I definitely want commercial > entities to be allowed to sell p

[Zope] ZPL and GPL: What should one consider when choosing a license?

2007-12-21 Thread Ross Patterson
Recently, someone wrote to me regarding one of my z3c packages which is licensed under the GPL. They asked me to license them under the ZPL saying that the ZPL would allow the widest range of use for those packages. They also implied that using the GPL impacted the licensing of other code that us