Biblio

Biblio/Sitegraphy

Creative Commons

http://creativecommons.org

Free Software Foundation

http://www.fsf.org/

Licenza GNU FDL

http://www.gnu.org/copyleft/fdl.html

Licenze Creative Commons

http://creativecommons.org/licenses/

Licenze Free Software Foundation

http://www.fsf.org/licensing/licenses/index_htm [ROSSZ LINK]l

MIT OpenCourseware

http://ocw.mit.edu/index.html

Open Source Initiative

http://www.opensource.org/

Progetto GNU

www.gnu.org/

Wikipedia

http://www.wikipedia.org/