Sahana Open Source Disaster Management Software is a web applications that helps organizations and communities prepare for and respond to disasters by providing open source information management tools. Since Sahana began in Sri Lanka in to help coordinate the response to the 2004 Tsunami, it has been deployed in over 25 countries and is currently being used by over 2,000 users from 9 organizations. You can deploy it yourself or have a professional deploy it for you. The Sahana Software Foundation (SSF) maintains a list of professional service providers. If you deploy it yourself, or have questions about Sahana software in general, post them to the Google Group embedded below.