Linked by Hadrien Grasland on Sat 8th Jan 2011 19:28 UTC, submitted by sjvn
GNU, GPL, Open Source Some people swore to me that just because the free-software General Public License (GPL) clashes with the Apple App Store's Terms of Service (ToS), didn't mean that Apple would actually pull down GPLed apps. Well, Apple just did. Remi Denis-Courmont, a Linux developer of the popular VLC media player, has just announced that Apple had pulled the popular GPLed VLC media player from its App Store.
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spiderman
Member since:
2008-10-23


On topic (and on quote so to speak), the reason that some avoid GPL (and I've written it in a previous comment) is a wording/understanding problem. Read a BSD license, you immediately know you can use it in any way you please. I'm very Java these last years so I also know the Apache license is similar in that respect. With GPL, until I read your explanations in several comments, I could not have told someone: "yes you can use GPL even in a proprietary closed-source commercial product, you just have to link to it instead of embedding it in your source code". And honestly, for those who are not native English speakers (like me), it's not that easy to understand.

The GPL has unofficial translations there:
http://www.gnu.org/licenses/translations.html
I believe linking GPL software in non compatible licensed software is not wise. Whether lemur2 is right or wrong about the legal matter (I think he is wrong), the spirit about the GPL tells that you can't link it in proprietary software (that's what the FSF says)
Linking with LGPL is safe however.
Anyway, if you are unsure, hire a lawyer. Whether you use the GPL or the BSD or whatever license, it is a good idea to ask a lawyer to review it and be sure you are able to comply. These days writing software is more dangerous than ever before.

Last point, I think no one is safe from bona fide errors and from some lazy-sloppy-doesn't-care-should-be-fired-rightaway developer. This is a risk I'm not sure I'd be willing to take were I to have a company like I hope.
You have to review any software you distribute with a lawyer if you don't want to take any risk.

P.S. can you explain how multi-licensing works with GPL?

If you write the code, you own it forever. You can license it under any license and multiple licenses forever. You can add new licenses afterward. The only problem is with code you didn't write. If the author license it under the GPL then there is no multi-licensing. It's GPL forever and there is nothing you can do about it, except asking the author to relicense his work.

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