Flamp - Reviews of companies in your city.
WikiTribune - Evidence based journalism, from the founder of Wikipedia
Handy - House cleaning, home cleaning, furniture assembly, TV mounting and other handyman services. Book in 60 seconds. Top-rated local professionals. Handy Happiness Guarantee.
Neighborhoods.nyc - Hyper-local alerts targeted by NYC neighborhood
TaskRabbit - TaskRabbit connects you to safe and reliable help in your neighborhood.
Data Dashboard by Wikimedia Foundation - Compiled data of the Worlds busiest public site