Here is a (possibly incomplete) listing of people working on projects based on the DDF hardware or software. If you'd like to be added or removed from this list, please let us know.
Clint's Project, the first of the bloggers
Washington University IEEE Dance Floor Project
Tom's Blog (German)
David's Disco Bar
Mike's dance floor and table project
The Groovy Nights fundraiser, with a 20'x20' floor!
Kevin's Jukebox Light Grid