Creative Commons is a non-profit organization that provides alternative copyright licenses to the standard copyright "all rights reserved." Their licenses can be mixed and matched to suit the user's needs. To use materials published with a Creative Commons license, follow the rules outlined in its license. You can also publish your own material with a Creative Commons copyright notice to allow certain uses, otherwise, any materials you publish are assumed copyrighted with all rights reserved.
View the different types of licenses offered by the Creative Commons on their website, below.
--- Attribution: Give credit to the creator.
--- Share Alike: Anything you make based on this original work must have the same license.
--- No Derivatives: The own must be used and shared exactly as it is, and may not be altered.
--- Non-profit Use Only: Anything that this work is used in or anything based on it but not be for profit.