Data dump from YourTopia app including over 4000 sets of weightings of the importance of various indicators in human development.

The Galaxy Zoo files contain almost a quarter of a million galaxies which have been imaged with a camera attached to a robotic telescope (the Sloan Digital Sky Survey, no less)....

This data was crowd sourced over the course of several months before and during the 2011 Bulgarian presidential and local elections. The description is in Bulgarian, but is...

Data extracted from facebook interest groups of roadkilled and moth observation.

A crowdsourced corruption monitor. Individuals use bribespot.com to report instances of bribes with their smart phones.