Get Deme / Program Deme
The source code runs on the Apache-Mongrel/Rails/MySQL platform, tested on Linux, Mac OS X, and Windows. You can find documentation on the developers’ page.
Deme is fully open-source, free software. It is currently licensed under the Affero General Public License (very similar to the GNU GPL, updated for the web). Deme is Copyright © 2003-2007 Stanford University.