"As described in parts one and two of this series, open source licensing principles are generally, if not exclusively, associated with software. These principles may be less readily applicable to non-software works, such as documents.
"Nonetheless, there are a number of licenses and projects directed at applying open source and free software licenses to such works. In my book, Understanding Open Source and Free Software Licenses, I discuss the Creative Commons, an ambitious project intended to apply the power of open source development to a wide variety of works, including music, video, and the fine arts, as well as documents..."