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CDLA permissive compatibility: Difference between revisions

 
=== Appendix: Key differences between CDLA, ODbL, and CC-BY ===
NOTE: There are two types of CDLA, CDLA Permissive 1.0 and CDLA Sharing 1.0 ([https://cdla.io/sharing-1-0/CDLA Sharing 1.0]). Creative Commons has Creative Commons Attribution (CC-BY) and Creative Commons Attribution-ShareAlike (CC-BY-SA), and each has multiple versions (the current version is 4.0, see <nowiki>[https://creativecommons.org/licenses/< https:/nowiki>/creativecommons.org/licenses/]). When comparing, it is important to note the license type and the version as there are key differences (see CC-BY analysis blog [https://blog.openstreetmap.org/2017/03/17/use-of-cc-by-data/ Use of CC-BY data]).
 
All of these licenses have attribution provisions, but CDLA Permissive and CC-BY do not have sharealike provisions. ODbL has a sharealike provision, but also the concept of "Collective Database" for which there is no sharealike obligation. CDLA Sharing and CC-BY-SA have more traditional "viral" sharealike provisions.
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