The following describes each of the six main licenses offered when you choose to publish your workwith a Creative Commons license. We have listed them starting with the most accommodating license type you can choose and ending with the most restrictive license type you can choose.
License Conditions
Creators choose a set of conditions they wish to apply to their work.
Attribution (by)
All CC licenses require that others who use your work in any way must give you credit the way you request, but not in a way that suggests you endorse them or their use. If they want to use your work without giving you credit or for endorsement purposes, they must get your permission first.
ShareAlike (sa)
You let others copy, distribute, display, perform, and modify your work, as long as they distribute any modified work on the same terms. If they want to distribute modified works under other terms, they must get your permission first.
NonCommercial (nc)
You let others copy, distribute, display, perform, and (unless you have chosen NoDerivatives) modify and use your work for any purpose other than commercially unless they get your permission first.
NoDerivatives (nd)
You let others copy, distribute, display and perform only original copies of your work. If they want to modify your work, they must get your permission first.