A 311 noise complaint map and dashboard by CartoDB from data in NYC in 2015. New Yorkers complain more in winter and have a hatred of ice cream trucks.
A semifinalist in the 2015 NYC BigApps competition is Up the Block, a new app that aims for greater transparency and efficiency in NYC's 311 system.
In a map by StreetEasy "Neighborhood Fright Levels," see the Halloween complaints for the last two years in NYC neighborhoods and find the worst offenders.