Plan9
Plan9 from Bell Labs	http://plan9.bell-labs.com/plan9/
PlanB	http://planb.lsub.org
Vitanuova	http://www.vitanuova.com
Documentation
9grid
Community
Mirko
Serpe net main page	http://www.serpe-net.it/
Mirko's website	http://www.mirkomariotti.it/