---
title: "List of crowdsourcing projects"
chunk: 2/9
source: "https://en.wikipedia.org/wiki/List_of_crowdsourcing_projects"
category: "reference"
tags: "science, encyclopedia"
date_saved: "2026-05-05T04:14:12.164558+00:00"
instance: "kb-cron"
---

== C ==
California Digital Newspaper Collection In August 2011, the California Digital Newspaper Collection implemented crowdsourced OCR text correction of its digitized historical newspapers; some published as early as 1846 (California statehood 1850). CDNC is a project of the Center for Bibliographical Studies and Research (CBSR) at the University of California, Riverside.  The CDNC is supported in part by the U.S. Institute of Museum and Library Services under the provisions of the Library Services and Technology Act, administered in California by the State Librarian.
Historic Cambridge Newspaper Collection. In March 2011, the Cambridge Public Library in Cambridge, Massachusetts, launched a digital collection of historic newspapers that implements crowdsourced OCR text correction. The freely accessible and keyword searchable database contains newspapers dating back to 1846 when Cambridge was established as a city. The Historic Cambridge Newspaper Collection is a project of the Cambridge Room, the Cambridge Public Library's Archives and Special Collections, and is supported by funding from the Community Preservation Act.
Chicago History Museum on 14 October 2013, announced a project asking the public to furnish ideas for a future exhibition and reducing the most-often-submitted ideas to one assignment through a series of public votes. According to the American Alliance of Museums, this is the first crowdsourcing project allowing the public to give an exhibition assignment to an American museum.
Citizen Archivist is a crowdsourcing transcription project at the National Archives of the United States. Volunteers can transcribe and tag any digitized content in the National Archives' online holdings. Volunteer coordinators curate "Missions" to help volunteers choose materials that interest them.
CitySourced is an enterprise civic engagement platform. CitySourced provides a mobile app for citizens to identify and report non-emergency civic issues, such as public works, quality of life, and environmental issues. The service is part of the e-Government or gov 2.0 movement, which aims to connect government and citizens through the use of technology.
Cisco Systems Inc. held an I-Prize contest in which teams using collaborative technologies created innovative business plans. The winners in 2008 were a three-person team, Anna Gossen from Munich, her husband Niels Gossen, and her brother Sergey Bessonnitsyn, that created a business plan demonstrating how IP technology could be used to increase energy efficiency. More than 2,500 people from 104 countries entered the competition. The winning team won US$250,000.
Clickworkers – experimental NASA site
Crowdin is a localization management platform for mobile apps, web, desktop software and related assets. Reddit, Khan Academy, Minecraft and other used the platform to crowdsource localization.
CrowdFlower was founded in 2007 to manage internet crowdsourcing. It is currently the largest provider of crowdsourcing solutions for enterprise with over 450 million tasks completed and 2 million contributors.
CrowdMed is a healthcare crowdsourcing platform based in San Francisco, California.
Crowdspring is a marketplaces for crowdsourced creative services.