crowdsourcing

Duolingo

Duolingo is a language-learning and translation platform. It is also used as a crowdsourcing for web pages and documents translation.

SocialCompare

SocialCompare.com is an innovative sharing community that allows users to consult, create, modify and share comparisons in any domain

Crowdcrafting

CrowdCrafting is a free, open-source crowd-sourcing and micro-tasking platform powered by the PyBossa software. This platform enables people to create and run projects that utilise online assistance in performing tasks that require human cognition such as image classification, transcription, geocoding and more. CrodCrafting is there to help researchers, civic hackers and developers to create projects where anyone around the world with some time, interest and an internet connection can contribute.

There are currently 385 Commons-Based Peer Production cases!