Creative Commons (CC) license

Definition: A set of free and easy-to-use copyright licences that define the rights of the authors and users of open data and materials in a standardized way. CC licenses enable authors or creators to share copyright-law-protected work with the public and come in different varieties with more or less clauses. For example, the Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) allows you to share and adapt the material, under the condition that you; give credit to the original creators, indicate if changes were made, and share under the same license as the original, and you cannot use the material for commercial purposes.