CrowdFlower is the world's leading crowdsourcing service, with over one billion tasks completed by five million contributors. CrowdFlower specialize in microtasking: distributing small, discrete tasks to many online contributors in assembly line fashion. Mathematicians, statisticians, cartographers, musicians, psychologists, entrepreneurs, information systems engineers. CrowdFlower's team is the best of the best with expertise in search relevance, content moderation, business data verification/correction, and more.
"As more and more projects with CrowdFlower graduate to production, different groups (engineering, product management, quality engineering) across the organization are seeing the benefits of crowdsourcing and are keen on embracing this new paradigm."






Read CrowdFlower Reviews, Testimonials & Customer References from 7 real CrowdFlower customers.
Browse CrowdFlower Case Studies, Customer Success Stories, & Customer References from 5 businesses that use CrowdFlower.
Watch CrowdFlower Customer Videos to learn why 3 businesses chose CrowdFlower.