“A US nonprofit organization. A Creative Commons license is one of several public copyright licenses that allow the distribution of copyrighted works. It can be used when authors want to give people the right to share, use, and build upon a work they have created.” (UNESCO, 2013)
Below are the six Creative Commons licenses, as listed in order of openness from most accommodating to least accommodating:
- CC BY (Attribution): Other than crediting the source, there are no restrictions on the use and remixing of the work, even commercially.
- CC BY-SA (ShareAlike): You can use or remix a work provided you release your work under the same license as the source. You must also credit the source.
- CC BY-ND (No Derivatives): Material cannot be changed but can be redistributed both commercially and non-commercially. You must attribute the original source.
- CC BY-NC (Non-Commercial): Material can be used and remixed but not used or distributed commercially. You must attribute the original source.
- CC BY-NC-SA: You can use and remix the material and use or distribute it non-commercially but you must use the same licensing terms (ShareAlike) as the original source. You must also attribute the original source.
- CC BY-NC-ND: This is the most restrictive license because material cannot be altered or used commercially. You are permitted to download and share but you must credit the source.