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3 votes
1 answer
347 views

Buying a license to public domain software (where PD is recognized)?

Are there ever any practical reasons for purchasing an explicit license to "public-domain" software, assuming both the software developer and the user reside in jurisdictions where the public domain ...
habs's user avatar
  • 301
9 votes
2 answers
2k views

Can software be both MIT licensed and in the public domain?

docopt.rs is dual-licensed under the MIT and Unlicense. How can the software be both copyrighted and in the public domain? Is this an example of invalid licensing?
user avatar
18 votes
5 answers
2k views

May someone else apply a license to CC0 material?

Alice licensed her work under CC0 1.0. May Bob take Alice’s work and publish it under another Creative Commons license (e.g., CC BY-SA)? If yes, may Bob publish it under his own name (i.e., not ...
unor's user avatar
  • 5,700