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Aside from the six types of Creative Commons license, Creative Commons also provides a public domain dedication tool, CC0, which is a way to relinquish all copyright and mark one’s work as being in the public domain. The public domain consists of all the creative work to which no exclusive copyright or intellectual property rights apply. Some countries do not allow creators to dedicate their work to the public domain through a waiver or abandonment of copyright rights, so CC0 includes a “fall back” license that allows anyone in the world to do anything with the work unconditionally.
The CC BY license allows others to reuse, adapt, remix, and and distribute the work for any purpose, including commercial use. The only requirement is that the work or adaptation must be shared with attribution to the creator.
The CC BY-SA license allows others to reuse, adapt, remix, and distribute the work for any purpose, including commercial use. It requires attribution to the creator, and also that if you adapt the work and share it you must give your adaptation the same or a compatible license..
The CC BY-NC license allows others to reuse, adapt, remix, and redistribute the work for any non-commercial purpose; commercial use of the work is not allowed. Attribution to the work’s creator must be provided.
The CC BY-NC-SA license allows others to reuse, adapt, remix, and distribute the work for any non-commercial purpose; commercial use of the work is not allowed. In addition, if you adapt the work and share it you must give your adaptation the same or a compatible license. Attribution to the work’s creator must be provided.
The CC BY-ND license allows others to reuse and distribute the work in an unadapted form for any purpose, including commercial use; adaptations are not allowed (see above under the ND license element for more about what counts as an adaptation). Attribution to the work’s creator must be provided.
The CC BY-NC-ND license allows others to reuse and distribute the work in an unadapted form for non-commercial purposes; neither commercial use or adaptation is allowed. Attribution to the work’s creator must be provided.
