CC Licenses
ATTRIBUTION (BY)
ATTRIBUTION – SHARE ALIKE (BY SA)
Apart from requiring references to the author(s), rights holder(s), source of the work and the license text itself, this CC variant puts no further restrictions on the user. She can use the work freely and edit it in any thinkable way. Therefore, using the work in remixes and mashups is allowed.
Just like BY, this CC variant allows all kinds of re-use and editing, even for commercial purposes. Ho- wever, all edited versions of the work (derivatives) must, if they are published or distributed, be availa- ble under this very same license.
Only these two license variants are certified to be free licenses in the meaning of free- domdefined.org and are thus suitable to make sure works licensed under stay re-usable.
ATTRIBUTION – NO DERIVATIVES
This CC variant does not allow the work to be edited. Com- mercial uses are allowed.
All CC variants above can be combined with the NC module (for „non-commercial use only“; commercial use requires additional approval). This leads to six possible CC variants altogether, these being the addi- tional three:
There‘s an additional legal tool called CC0 (CC-Zero) for setting a work free without any specific conditions. CC0 thus is a complete waiver of copyright and related rights. This is meant to help creatives to voluntarily place works in the “Public Domain.“ According to Creative Com- mons, this tool is especially suitable for databases.
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