Citizen Science
Public laboratory
fold.it
Galaxy Zoo
Zooniverse
Phylo
Decision Making/Recommendation
all our ideas
ideascale
google moderator
votorola
Consumer production/Prosumption?
quirky.com
open source footware at john fluevog
(open) Hardware Hacking
safecast (Also citizen science)
freedom box
freedom fone
Adafruit
Artwork repository / Artistic Communities
Deviantart
The Internet Archive
Project Gutenberg
Anti-organizations
Anonymous
Nettime Mailing List
Media
Blip.tv
The Station (YouTube)
PCF (Miro)
Fan Culture/Participatory Culture cases?
Original Hip Hop Lyrics Archive
Internet Movie Database
Defunct Projects and/or Projects which failed (in fostering public participation)
GNU Hurd
Corel Linux (and hundreds of other linux distros)
Digital Tipping Point
Symbiam OS
Open Solaris
Twiki
Audiogalaxy
OpenMoko