Licenses
[The list below is a spectrum from Most Free (top of list) to Least Free (end of list)]
ATTRIBUTION
CC BY
This license lets you distribute, remix, tweak, and build upon the original work, even commercially, as long as you credit the original creation. This is the most accommodating of licenses offered.
ATTRIBUTION-SHAREALIKE
CC BY-SA
This license lets you remix, tweak, and build upon the original work even for commercial purposes, as long as you credit the original work and license your new creations under the identical terms. This license is often compared to "copyleft" free and open source software licenses. All new works based on the work should carry the same license, so any derivatives will also allow commercial use. This is the license used by Wikipedia.
ATTRIBUTION-NODERIVS
CC BY-ND
This license allows for redistribution, commercial and non-commercial, as long as it is passed along unchanged and in whole, with credit to the original work.
ATTRIBUTION-NONCOMMERCIAL
CC BY-NC
This license lets you remix, tweak, and build upon the original work non-commercially. Your new works must be non-commercial and acknowledge the original work, but you don't have to license your derivative works on the same terms.
ATTRIBUTION-NONCOMMERCIAL-SHAREALIKE
CC BY-NC-SA
This license lets you remix, tweak, and build upon the original work non-commercially, as long as you credit the original work and license your new creations under identical terms.
ATTRIBUTION-NONCOMMERCIAL-NODERIVS
CC BY-NC-ND
This license is the most restrictive of the six main licenses, only allowing you to download the original work and share it with others as long as you credit the original work. You can't change the original work in any way or use it commercially.
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