gpl

Risanamento energetico
Il risanamento energetico per eliminare lo spreco.
http://www.risanamentoenergetico.it

Video Games Design
Open and free game design
http://www.regne.net/

Ci2.ca - Concepts Informatiques Intégrés
A site specialized in small to medium size businesses services such as web application development, groupware, web design and hosting
http://www.ci2.ca/

BSD related news ripped from around the 'net hourly
BSD related news ripped from around the 'net hourly
http://bsdality.org

Risanamento energetico
Il risanamento energetico per eliminare lo spreco.
http://www.risanamentoenergetico.it.it/

Open Source Initiative
Dedicated to managing and promoting the Open Source trademark for the good of the community. Includes a definition of 'Open Source', and a list of approved licenses.
http://www.opensource.org/

GNU Project and Free Software Foundation
One of the founding organizations of free and Open Source software. Home of the GNU Public license and many open source projects including GNU Hurd.
http://www.gnu.org

GNU General Public License (GPL)
One standard for licensing free software.
http://www.gnu.org/copyleft/gpl.html

Advogato
Community resource site for developers of free software; news, and diary service.
http://www.advogato.org/

Linux.org
Comprehensive information and resources about the Linux Operating System.
http://www.linux.org/