WiFi Map - A crowdsourced list of routers and passwords
Radar - Radar - Location sharing for friends and teams.
wifiphisher - Fast automated way to get the password to a WPA wifi network
HyperTrack - Build logistics apps that feel like the future
Get Free Fucking WiFi - Find the best fucking WiFi just around the corner.
LocationAPI - Instantly locate any device w/ WiFi, celltowers & IP address