WiFi Map - A crowdsourced list of routers and passwords
Get Free Fucking WiFi - Find the best fucking WiFi just around the corner.
WifiMapper - Find free WiFi anywhere in the world
Wirepool - Crowdsourced WiFi passwords for everyone 📶
Café Wifi Search 🔍 - Find great cafés to work from, worldwide.
Instabridge - Crowdsourced free wifi (now on Android)