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error99
PostPosted: Wed Sep 21, 2011 2:44 pm 
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Hello

I'm planing to produce one commercial extension for joomla, but however if I understand GPL good, GPL and GPL 2 means that when someone buys my exstension for money, that same person have rights (GPL) to sell my extension to third parties or give my extension for free to third parties? Is this correct?

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AmyStephen
PostPosted: Thu Sep 22, 2011 2:56 am 
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That is correct. The GPL provides users four freedoms: to use, learn from, adapt, and distribute software. You might also be interested in reading Joomla's License FAQ: http://opensourcematters.org/index.php? ... icle&id=55

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error99
PostPosted: Thu Sep 22, 2011 11:42 am 
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I can not believe in this.
First users buy extension from me and then users have rights to sell that same extension or to give it for free?
I have read lot of legal documents. That is the point.

Is there some good way to protect my joomla extension?

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alikon
PostPosted: Thu Sep 22, 2011 11:52 am 
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don't release under GPL
so your "precious" code is private

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AmyStephen
PostPosted: Thu Sep 22, 2011 1:31 pm 
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Error88 - I'm a developer, as well, have been for 30 years. I had the same response when I considered the effects of the GPL. I definitely agree with Alikon that you should not use the GPL if you don't agree with the terms of the license. There are many successful businesses which release code under that license. You might want to research "GPL business models" (Google has many resources) and consider various approaches that can help you earn a living as a free software developer.

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error99
PostPosted: Thu Sep 22, 2011 9:38 pm 
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You are probably right Stephen. I did little research and find some good facts about GPL licence. I still can earn with affiliate links on my site, giving my code for free and asking for free donation. Also I can do modification of code from other extensions and produce it.

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AmyStephen
PostPosted: Thu Sep 22, 2011 9:43 pm 
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Another approach many developers use is charging for "subscriptions" - which allow the user to enter a download area and ask/have answered support questions. There are a number of developers who use that model -- check out the extensions directory and follow some of the links to commercial extensions.

Wish the best to you!

Amy

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