Sahana Disaster Management System

http://www.sahana.lk/

"Sahana is a Free and Open Source Disaster Management system. It is a web based collaboration tool that addresses the common coordination problems during a disaster from finding missing people, managing aid, managing volunteers, tracking camps effectively between Government groups, the civil society (NGOs) and the victims themselves."

SourceForge Project of the Month for June 2006: http://sourceforge.net/potm/potm-2006-06.php