Facebook Local - Discover places to go and events happening near you
WiFi Map - A crowdsourced list of routers and passwords
Foodie Advice - Get suggestions on what to eat during your travels
Instabridge - Crowdsourced free wifi (now on Android)
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Get Free Fucking WiFi - Find the best fucking WiFi just around the corner.