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For questions about the copyrighting process and principles. Questions solely pertaining to general copyright are off topic.

3 votes

Declaring copyright anonymously

I agree with another answer that a pseudonymous work is covered under copyright equally as an anonymous work. … These two features in tandem ensure there is no copyright difficulty for others using your work. …
apsillers's user avatar
  • 37.7k
48 votes
Accepted

How does a programmer ever produce original code if anything they produce is considered deri...

Copyright only applies to creative expression, not ideas. … If you have looked at a work, and the copyright holder of that work accuses you of infringement, then you are back to proving that your work is sufficiently dissimilar to not form a derivative under copyright
apsillers's user avatar
  • 37.7k
4 votes
Accepted

Are you allowed to use open source content as your own?

Software without restriction, including [...] the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software [...] subject to the following conditions: The above copyright … Since slashtutorial.com does indeed include the copyright notice and license text (when you click on the "License" footer link), it may therefore "use, copy, modify, merge, publish, distribute, sublicense …
apsillers's user avatar
  • 37.7k
9 votes

Can open source exist without copyright?

there are no copyright rules telling them they can't. … Since the loss of copyright means the loss of ability to impose restrictions via licensing, all of these permissions naturally exist in the absence of copyright. …
apsillers's user avatar
  • 37.7k
7 votes
Accepted

"SQLite is illegal in Germany" - really?

probably does hold the copyright (as much as they haven't been dissolved) to most of SQLite. … On the other hand, however, they appear to accept outside contributions, so they likely do not have copyright for those contributions, but instead rely on the dissolution of copyright for those submissions …
apsillers's user avatar
  • 37.7k
13 votes
Accepted

How to deal with copyright infringement on GitHub

Each file that uses my code should include my copyright notice, so the people know who the original author was. … If a file includes work from both you and from me, it should have copyright notices for each of us. …
apsillers's user avatar
  • 37.7k
3 votes
Accepted

Modifying file without copyright under Apache 2.0

In that second case, "the work" broadly does include a copyright notice, so your distribution of some part of that work ought to include the work's copyright notice. … you could add a copyright notice for them out of courtesy. …
apsillers's user avatar
  • 37.7k
1 vote
Accepted

Where to get music for testing my program?

Generally, I would expect that a program that manipulates audio is a separate work, under copyright law, from any sample audio files that are supplied to be used optionally as input to that program. … If you expect to include sample output as well, you should also avoid NoDerivs (ND) terms, if your program creates a derivative under copyright law (note that simply changing the file format is allowed …
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  • 37.7k
8 votes

Can I skip the end of term for my license in the preamble of my source code?

Copyright notices are virtually meaningless except for a very small benefit in certain niche procedural concerns in the United States, and even then a start-year only is sufficient to qualify. … In view of those facts, and that there is little reason to include a copyright notice other than your name anyway, you may as well omit your "now". …
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  • 37.7k
2 votes
Accepted

Modifying and Using Open Source Software licensed under GNU Lesser General Public License, v2.1

You must follow requirements regarding license/copyright notices and permitting specific downstream use, but whether distribution is done for pay or free of charge does not matter. …
apsillers's user avatar
  • 37.7k
2 votes
Accepted

If I just look up a solution for a programming problem do I need to cite the source?

I am not aware of any case law indicating where copyright draws the line for de minimis use in any jurisdiction, though. … In this case, the expression is not protected by copyright. …
apsillers's user avatar
  • 37.7k
13 votes
Accepted

Can I fork libstdc++ without disclaiming copyright for the modifications I make?

What this FAQ item says is essentially: if you submit contributions to the GNU project, they will not use them unless you first assign copyright to the FSF. … You are free to make modifications to GNU code and retain copyright on your modifications, but do not expect them to be accepted back into mainline GNU code. …
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  • 37.7k
4 votes
Accepted

Is the text in my open source project under the GPL?

This is directly addressed in the GPL FAQ item, "Is it enough just to put a copy of the GNU GPL in my repository?" Just putting a copy of the GNU GPL in a file in your repository does not explicitly …
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1 vote
Accepted

Does CreativeCommon ShareAlike allow logo removal or rebranding

If you want to disallow modifications, you certainly want to use a NoDerivs license. In general, CC BY-SA is just as permissive as plain CC BY-SA, with the exception that downstream changes must rema …
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  • 37.7k
4 votes

I want to make an Android app like Calm/ Meditation Music/ Study Music. May I use their sound?

If the sound is available from the copyright holder under a free or open source license (likely a Creative Commons license, for a sound file), or if the work is in the public domain (e.g., copyright on … Otherwise: because the sounds are covered by copyright, using them without a license from the copyright holder would be a copyright violation. Doing so makes you liable for copyright infringement. …
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