• Framasoft : http://wiki.framasoft.info/VeniVidiLibri/Index

• http://thread.gmane.org/gmane.linux.kernel/448894/focus=448894

• http://wiki.debian.org/DFSGLicenses
• http://people.debian.org/~bap/dfsg-faq.html

• http://lists.debian.org/debian-legal/2004/06/msg00221.html contesté : http://lists.debian.org/debian-legal/2006/04/msg00025.html

• http://creativecommons.org/weblog/entry/6017
• http://mako.cc/copyrighteous/ip/20060814-00.html

• APSL : http://www.advogato.org/person/mjg59/diary.html?start=66
• RFC :
  • http://blog.daniel-baumann.ch/2006/05/01#20060501_re_on-non-free-rfc-documents
  • http://blog.andrew.net.au/2006/04/30#non-free_rfcs

• http://ianmurdock.com/?p=348

• Jörg Shilling :
  • http://lwn.net/Articles/195167/
  • http://lwn.net/Articles/195169/
  • http://linuxfr.org/2006/09/04/21285.html

Discussions chez Debian :

• http://lists.debian.org/debian-www/2006/04/msg00126.html
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=238245

• GPL ? (fil) http://lists.debian.org/debian-legal/2005/03/msg00241.html

• http://artlibre.org/

• http://www.freebsd.org/copyright/freebsd-doc-license.html

• OpenCola : http://en.wikipedia.org/wiki/OpenCola