The CrisisCommunicator is an open source (using the BSD-based PeaceOSL) web-app built for distributed networks of devices, to help in disaster situations. For more info on the application of the CrisisCommunicator, see our website at http://WiseEarthTechnology.com.
To dive into the development, see INSTALL.md, and the wiki: https://github.com/WiseEarthTechnology/CrisisCommunicator/wiki#wiki-how-can-i-contribute
It's super-easy to set up our development environment.
For more info, check out the wiki at https://github.com/WiseEarthTechnology/CrisisCommunicator/wiki.