Innocentive.com
Spigit.com
Brainbankinc.com
Quora.com
Ideascale.com
Jovoto.com
Evly.com
Solutionxchange.com
Openideo.com
Researchgate.net
Toolbox.com
Cnx.org
Complore.com
Openwetware.org
Socious.com
Mynetresearch.com
Bestthinking.com
Quirky.com
Humanipo.com
Blurgroup.com
Challengepost.com
Boardofinnovation.com
15inno.com
Inquid.com
Clickworker.com
Onedesk.com
Comparz.com
Audiodraft.com
Crowdsourcing.com
Ideaconnection.com
Managementexchange.com
Creativitypool.com
Dougengelbart.org
Kickstarter.com
Crowdsourcing.org
Pozible.com
Vocalpoint.com
Openbuildings.com
Turkernation.com
Carnetdemode.com
Userfarm.com
Yet2.com
Ideaken.com
Psgroup.com
Annenberglab.com
Youbloom.com
Allourideas.org
Wesolveforx.com
Imaginatik.com
Milkywayproject.org