UNDERSTANDING LICENSE COMPATIBILITY
When people talk about licenses being “compatible,” they can be referring to several different situations.
One type of license compatibility involves the question of what licenses you can use for your adapter’s license when you adapt a work. This is what we discussed above. For example, BY-NC is compatible with BY, in the sense that one can adapt a BY work and use BY-NC on her adaptation.
By definition, the ShareAlike licenses have very few compatible licenses. All SA licenses after Version 1.0 allow you to use a later version of the same license on your adaptation. For example, if you remix a BY-SA 2.0 work, you can, and should, apply BY-SA 4.0 to your adaptation. There are also a small number of non-CC licenses that have been designated as CC Compatible Licenses for ShareAlike purposes. You can read more about this at https://creativecommons.org/share-your-work/licensing-considerations/compatible-licenses.
Another type of license compatibility relates to what licenses are compatible when adapting (more commonly referred to as “remixing” in this context) more than one pre-existing work. The remix chart in figure 4.12 may be a helpful guide in these circumstances. To use the chart, find a license that applies to one of the works on the left-hand column and the license that applies to the other
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FIGURE 4.12 CC License Compatibility Chart
Figure from Creative Commons: https://creativecommons.org/faq/#can-i-combine-material-under-different-creative-commons-licenses-in-my-work
CC BY 4.0 | Destaurated from original
