"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..."