Creative Commons 2

This Creative Commons License lets others copy, distribute, display and perform your work and derivative works based upon it, only if they give credit the way your request.

This Creative Commons License allows others to distribute derivative works only under a license identical to the license that governs your work.

This Creative Commons License lets others copy, distribute, display and perform your work and derivate works based upon it, but for non-commercial purposes only.

This Creative Commons License lets others copy, distribute, display, and perform only verbatim copies of your work, not derivated works based upon it.

This is the most lenient license allowing maximum distribution of your work.

This is the most restrictive license that lets others display and share your work, without changing it or benefiting from it financially and as long as they credit you.

This is the license used by Wikipedia, and is recommended for materials that would benefit from incorporating content from Wikipedia and similarly licensed projects.