Creative Commons helps you share your knowledge and creativity with the world.
Creative Commons develops, supports, and stewards legal and technical
infrastructure that maximizes digital creativity, sharing and innovation.
More Information at: creativecommons.org
Information about German licenses: creativecommons.org/licenses/
Read a post by the Open Access Scholarly Publishers Association and learn why they encourage the use of the CC-BY license wherever possible.
http://oaspa.org/why-cc-by/