Swarm - Swarm lets you earn prizes and compete with friends based on the places you go.
WiFi Map - A crowdsourced list of routers and passwords
Arc App - AI powered location tracker
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.