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Questions about the implementation of software licenses on software. General questions about open source software licenses should be asked at opensource.stackexchange.com instead. Legal questions about software licenses should be asked at law.stackexchange.com instead.

37 votes
Accepted

Rewriting GPL code to change license

I'm not a lawyer, but AFAIK if you have seen the GPLed library code any emulation library you write would be tainted and may be declared a derived work by a judge if it is too similar in his appreciat …
AProgrammer's user avatar
  • 10.5k
1 vote

License for library developed with commercial program

I'm not a lawyer, but AFAIK, the definition of derived work is more extensive than you think and your program will be a derived work of your library as long as you are the copyright holder, nothing …
AProgrammer's user avatar
  • 10.5k
11 votes
Accepted

Taking an open source project to closed source

re-licensing under other terms. It is possible as long as you get the agreement of all copyright holders. …
AProgrammer's user avatar
  • 10.5k
1 vote

Can I use GPL, LGPL, MPL licensed packages with my application and make it closed source?

There are clear cases and then some muddy one for which you'll get more opinion that lawyers you present the case. Your rules match my understanding, but what will vary is the precise definition of " …
AProgrammer's user avatar
  • 10.5k
3 votes

Using GPL licensed jQuery scripts on website with ads

Can I use GPL licensed jQuery scripts on the website? Yes, but see the third one. Can I use GPL licensed scripts while generating ad revenue from the page? Yes. GPL doesn't say …
AProgrammer's user avatar
  • 10.5k
3 votes

can a closed source commercial software make system(3) calls to GPL applications (not librar...

And, I am NOT going to distribute any GPL application (neither its sources) packaged together with CSCS. Copyright controls who is allowed to distribute something, not who is allowed to use it. …
AProgrammer's user avatar
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