Re: About Trolltech QT OpenSource license.

2007-04-12 Thread king kikapu
On Apr 12, 1:02 am, Robert Kern [EMAIL PROTECTED] wrote: All parts of the software have to be licensed compatibly with the GPL. The FSF has a fairly comprehensive list of the licenses they believe are GPL-compatible. The source that you provide needs to be the preferred form for making

Re: About Trolltech QT OpenSource license.

2007-04-12 Thread king kikapu
I dig a little bit more on the Trolltech's site and i think that this page is telling all the truth: http://www.trolltech.com/developer/downloads/qt/faq So, this tells us all the good stuff people in this thread are talking about, i think is clear enough. --

Re: About Trolltech QT OpenSource license.

2007-04-12 Thread Robert Kern
king kikapu wrote: On Apr 12, 1:02 am, Robert Kern [EMAIL PROTECTED] wrote: All parts of the software have to be licensed compatibly with the GPL. The FSF has a fairly comprehensive list of the licenses they believe are GPL-compatible. The source that you provide needs to be the preferred

Re: About Trolltech QT OpenSource license.

2007-04-11 Thread Robert Kern
king kikapu wrote: As i said, i do not fully understand all this license stuff. All i want to ask is, i can make GPL software and gain money from this ? And if that so, then why they force you to buy the commercial lisence in such case ? Others have given good answers. I would only like to

Re: About Trolltech QT OpenSource license.

2007-04-11 Thread king kikapu
On Apr 11, 10:56 am, Robert Kern [EMAIL PROTECTED] wrote: Others have given good answers. I would only like to clarify what I think is the source of confusion here. While the FSF and many open source advocates make a distinction between the words commercial (meaning that someone derives money

Re: About Trolltech QT OpenSource license.

2007-04-11 Thread Paul Boddie
On 11 Apr, 11:51, king kikapu [EMAIL PROTECTED] wrote: Ok, i see...So i can use Qt OS edition and earn money from this as long as i explicitly say (is a reference to a GPL in a readme text file enough for this ?) that this software is under the GPL lisence and i have the obligation to give

Re: About Trolltech QT OpenSource license.

2007-04-11 Thread Joshua J. Kugler
On Tuesday 10 April 2007 12:52, Kevin Walzer wrote: Yes. Nothing in the GPL prevents you from developing and marketing an application for as high a price as you can get from it. HOWEVER: you will have to distribute the source code to your application to anyone who purchases a binary from

Re: About Trolltech QT OpenSource license.

2007-04-11 Thread Robert Kern
king kikapu wrote: On Apr 11, 10:56 am, Robert Kern [EMAIL PROTECTED] wrote: Others have given good answers. I would only like to clarify what I think is the source of confusion here. While the FSF and many open source advocates make a distinction between the words commercial (meaning that

Re: About Trolltech QT OpenSource license.

2007-04-11 Thread king kikapu
Ok, i see...So i can use Qt OS edition and earn money from this as long as i explicitly say (is a reference to a GPL in a readme text file enough for this ?) that this software is under the GPL lisence and i have the obligation to give the source code with it. It's a bit more

Re: About Trolltech QT OpenSource license.

2007-04-11 Thread Jorge Godoy
Robert Kern [EMAIL PROTECTED] writes: I don't recommend it. You are talking to their salesman, not your lawyer. You are being given a sales pitch, not legal advice. On the other hand, he's stating Trolltech's policies and agreeing / disagreeing on your understanding of their license. He's

Re: About Trolltech QT OpenSource license.

2007-04-11 Thread king kikapu
Ο/Η Robert Kern έγραψε: It's a bit more complicated than that. There are good resources for understanding the implications of the GPL on the FSF's site which other people have pointed out. From what i can understand, you can sell your product and you have to give the source. Also you must

Re: About Trolltech QT OpenSource license.

2007-04-11 Thread Robert Kern
Jorge Godoy wrote: Robert Kern [EMAIL PROTECTED] writes: I don't recommend it. You are talking to their salesman, not your lawyer. You are being given a sales pitch, not legal advice. On the other hand, he's stating Trolltech's policies and agreeing / disagreeing on your understanding of

Re: About Trolltech QT OpenSource license.

2007-04-11 Thread Robert Kern
king kikapu wrote: Ο/Η Robert Kern έγραψε: It's a bit more complicated than that. There are good resources for understanding the implications of the GPL on the FSF's site which other people have pointed out. From what i can understand, you can sell your product and you have to give the

About Trolltech QT OpenSource license.

2007-04-10 Thread king kikapu
Hi to all, i am coming from the Microsoft (.net) world and at the quest of finding the right GUI toolkit that i can use from Python, i have two obvious choices to choose from: wxPython and Qt. Both are looking very good. Qt has Qt designer, a tool that really reminds me of the forms designers

Re: About Trolltech QT OpenSource license.

2007-04-10 Thread Jarek Zgoda
king kikapu napisał(a): I saw at the forum here that a lot of debate is coming from the strange interpretation of it's Open Source Edition lisence. After a lot of reading i was under the impression (and many others with me) that even a stand alone developer working in-house at company cannot

Re: About Trolltech QT OpenSource license.

2007-04-10 Thread king kikapu
Ο/Η Jarek Zgoda έγραψε: king kikapu napisa³(a): This is a bullsh*t. Qt is free (as in free speech) on GPL. Nothing stops you from using it in any commercial project if only it fits the licensing terms (i.o.w. it's free software). This specially applies to inhouse development, as in such

Re: About Trolltech QT OpenSource license.

2007-04-10 Thread Kevin Walzer
king kikapu wrote: As i said, i do not fully understand all this license stuff. All i want to ask is, i can make GPL software and gain money from this ? Yes. Nothing in the GPL prevents you from developing and marketing an application for as high a price as you can get from it. HOWEVER: you

Re: About Trolltech QT OpenSource license.

2007-04-10 Thread Peter Decker
On 10 Apr 2007 12:29:36 -0700, king kikapu [EMAIL PROTECTED] wrote: Hi to all, i am coming from the Microsoft (.net) world and at the quest of finding the right GUI toolkit that i can use from Python, i have two obvious choices to choose from: wxPython and Qt. Both are looking very good. Qt

Re: About Trolltech QT OpenSource license.

2007-04-10 Thread Jarek Zgoda
king kikapu napisał(a): This is a bullsh*t. Qt is free (as in free speech) on GPL. Nothing stops you from using it in any commercial project if only it fits the licensing terms (i.o.w. it's free software). This specially applies to inhouse development, as in such case there's no distribution.

Re: About Trolltech QT OpenSource license.

2007-04-10 Thread king kikapu
Ο/Η Peter Decker έγραψε: There is another alternative: Dabo, which wraps the wxPython toolkit. It has a GUI designer, although not as polished as the Qt Designer. Check out some of their screencasts to see their tools in action. You can find them at http://dabodev.com/documentation I am

Re: About Trolltech QT OpenSource license.

2007-04-10 Thread Kevin Walzer
king kikapu wrote: @ Kevin and Jarek : thanks for the enlightening of that GPL thing. So, if i understand, i create my Python software using Qt as my GUI, i earn the money for it with the obligation to release my source code and somewhere in my files i explicilty write that this software

Re: About Trolltech QT OpenSource license.

2007-04-10 Thread Damjan
@ Kevin and Jarek : thanks for the enlightening of that GPL thing. So, if i understand, i create my Python software using Qt as my GUI, i earn the money for it with the obligation to release my source code and somewhere in my files i explicilty write that this software is under the GPL