4sqwifi

4sqwifi is a mobile app that locates available WiFi networks and the passwords associated with them.

4sqwifi enables you to find nearby venues which offer WiFi — and their password. Worldwide. It uses Foursquare's API and its user-generated venue tips. Our great algorithm filters and displays only the relevant venues. By removing unwanted noise, 4sqwifi stands right between the worlds of social location awareness and everyday-life lifehacks. Give it a try: it's free, it's fun, it's easy. You'll love it.