Fedora Project → CC BY-SA 3.0
Hi
http://creativecommons.org/weblog/entry/19107
"The Fedora Project, best known for its community-centric and
cutting-edge GNU/Linux distribution, but also committed to “leading the
advancement of free, open software and content” (emphasis added, from
the Fedora Project home page), has migrated all of its documentation and
wiki content to CC BY-SA from the long-deprecated Open Publication
License, via their contributor agreement."
Rahul