There are six types of Creative Commons licenses that allow creators to choose how their works can be shared and used by others. The six types are Attribution (CC BY), Attribution ShareAlike (CC BY-SA), Attribution-NoDerivs (CC BY-ND), Attribution-NonCommercial (CC BY-NC), Attribution-NonCommercial-ShareAlike (CC BY-NC-SA), and Attribution-NonCommercial-NoDerivs (CC BY-NC-ND). Each license type allows for different uses and levels of restrictions.