A WiFi Wizard
What good is an app without a signal? WiFi Finder is hands down the best way to track down free wireless hot spots. Free for Android and iPhone, this handy utility lets you view a Google map showing all the WiFi spots in your area. WiFi Finder also lets you limit results to specific types of places, tells you how to get to the locations it finds, and lets you phone ahead to cafés or restaurants.
Find a network that's not on the list? You can share it with other WiFi Finder app users too. All in all, a great deal for the price of zero dollars. If you're planning on going out of range, you can download the database of WiFi hotspots for offline use.
Use this app and you might never again have to aimlessly walk up and down streets reading the goofy names of private networks. (Unless you really want to.)