On the Web
Citizen cartographers can help uncover details from old insurance company maps that are being used to reconstruct new York City's history.
Or transcribe digitized the mortgage records of the Emigrant Bank of New York City from 1851 through the 1920s in Emigrant City and get a detailed glimpse of immigrant life during a foundational period of the city's history.
U.S. National Archives invites you to help make their digital assets more accessible. Tagging (adding keykwords, terms and labels to) records in their cagtalog and transcribing digitized pages of historical records are ways you can contribute.
A collaboration of scientists, software developers and educators who manage internet-based citizen science projects in order to further science itself, and the public understanding of both science and of the scientific process. Projects include Galaxy Zoo, Hubble, Old Weather, Planet Hunters and Whale FM.
A community that engages all Canadians in collecting scientific information on nature to understand our changing environment. Some projects involve making observations in the field and uploading the results. Current topics include frogs, plants, ice and worms.
The largest and most popular platform for "people-powered" research. New discoveries, datasets useful to the wider research community, and many publications have come out of Zooniverse projects.