Creative Commons (CC) is a non-profit organization that provides free copyright licenses enabling creators to specify how their works can be used by others. The licenses are built on four principles: attribution, noncommercial use, no derivatives, and share-alike, offering various options like CC BY, CC BY-SA, and CC BY-NC. Since its inception, CC has released multiple versions of these licenses to support global access to knowledge and has seen billions of works licensed under its framework.