Crowdsourcing Wiki:Community Portal

Whinot

http://www.whinot.com

Services platform

2009

Nosco Idea Exchange

http://www.nosco.dk

Idea Platforms

2006

99designs

http://www.99designs.com/

Competition Platforms

BootB

http://www.bootb.com/

Competition Platforms

crowdSPRING

http://www.crowdspring.com/

Competition Platforms

DesignCrowd

http://www.designcrowd.com/

Competition Platforms

GeniusRocket

http://www.geniusrocket.com/

Competition Platforms

Idea Bounty

http://www.ideabounty.com/

Competition Platforms

Minimum Noise

http://www.MinimumNoise.com/

Competition Platforms

namethis

http://www.namethis.com/

Competition Platforms

Naming Force

http://www.namingforce.com/

Competition Platforms

Squadhelp

http://www.squadhelp.com/

Competition Platforms

TopCoder

http://www.topcoder.com/

Competition Platforms

Zooppa

http://www.zooppa.com/

Competition Platforms

DesignByHümans

http://www.DesignbyHumans.com/

Content Markets

i vote for art

http://www.Ivoteforart.com/

Content Markets

iStockphoto

http://www.istockphoto.com/

Content Markets

RedBubble

http://www.redbubble.com/

Content Markets

Threadless

http://www.threadless.com/

Content Markets

Delicious

http://www.Delicious.com/

Content Rating

Digg

http://www.digg.com/

Content Rating

reddit

http://www.Reddit.com/

Content Rating

StumbleUpon

http://www.StumbleUpon.com/

Content Rating

Topsy

http://www.Topsy.com/

Content Rating

TweetMeme

http://www.tweetmeme.com/

Content Rating

A Swarm of Angels

http://www.ASwarmofAngels.com/

Crowdfunding

FashionStake

http://www.fashionstake.com/

Crowdfunding

Kickstarter

http://www.Kickstarter.com/

Crowdfunding

ProFounder

http://www.profounder.com/

Crowdfunding

SellaBand

http://www.sellaband.com/

Crowdfunding

CrowdFlower

http://www.crowdflower.com/

Crowdsourcing Aggregators

Data Discoverers

http://www.DataDiscoverers.com/

Crowdsourcing Aggregators

LiveWork

http://www.livework.com/

Crowdsourcing Aggregators

Smartsheet

http://www.smartsheet.com/

Crowdsourcing Aggregators

Einstein@Home

http://www.einsteinathome.org/

Cycle Sharing

Folding@home

http://folding.stanford.edu

Cycle Sharing

SETI@home

http://setiathome.berkeley.edu/

Cycle Sharing

DeadCellZones.com

http://www.Deadcellzones.com/

Data Sharing

Root Wireless

http://www.RootWireless.com/

Data Sharing

Chaordix

http://www.chaordix.com/

Distributed Innovation

IdeaConnection

http://www.IdeaConnection.com/

Distributed Innovation

ideaken

http://www.ideaken.com/

Distributed Innovation

Ideas Culture

http://www.ideasculture.com/

Distributed Innovation

InnoCentive

http://www.innocentive.com/

Distributed Innovation

Innovation Exchange

http://www.InnovationExchange.com/

Distributed Innovation

IdeaScale

http://www.ideascale.com/

Idea Platforms

IdeaStorm

http://www.ideastorm.com/

Idea Platforms

My Starbucks Idea

http://www.MyStarbucksIdea.com/

Idea Platforms

Qmarkets

http://www.QMarkets.com/

Idea Platforms

Spigit

http://www.spigit.com/

Idea Platforms

Cisco

http://www.Cisco.com/

Innovation Prizes

DARPA

http://www.darpa.mil/grandchallenge/

Innovation Prizes

Netflix

http://www.netflix.com/

Innovation Prizes

X-Prize

http://www.XPrize.com/

Innovation Prizes

Mechanical Turk

http://www.mechanicalturk.com/

Microtasks

Microworkers

http://www.MicroWorkers.com/

Microtasks

ShortTask

http://www.ShortTask.com/

Microtasks

Consensus Point

http://www.ConsensusPoint.com/

Prediction Markets

Crowdcast

http://www.Crowdcast.com/

Prediction Markets

CrowdWorx

http://www.crowdworx.de/

Prediction Markets

Inkling

http://www.InklingMarkets.com/

Prediction Markets

Intrade

http://www.InTrade.com/

Prediction Markets

NewsFutures

http://www.Newsfutures.com/

Prediction Markets

ChaCha

http://www.ChaCha.com/

Questions

Mahalo

http://www.mahalo.com/

Questions

Yahoo! Answers

http://www.YahooAnswers.com/

Questions

wikiHow

http://www.WikiHow.com/

Reference Content

Wikipedia

http://www.wikipedia.com/

Reference Content

Wiktionary

http://www.Wiktionary.com/

Reference Content

Elance

http://www.elance.com/

Service Marketplaces

Freelancer.com

http://www.freelancer.com/

Service Marketplaces

Guru.com

http://www.guru.com/

Service Marketplaces

oDesk

http://www.odesk.com/

Service Marketplaces

PeoplePerHour.com

http://www.peopleperhour.com/

Service Marketplaces

Project4Hire.com

http://www.Project4Hire.com/

Service Marketplaces

ScriptLance

http://www.scriptlance.com/

Service Marketplaces

Serebra

http://www.serebra.com/

Service Marketplaces

vWorker

http://www.vworker.com

Service Marketplaces

Crowdcube

http://www.crowdcube.com

Crowdfunding