WiFi Map - A crowdsourced list of routers and passwords
wifiphisher - Fast automated way to get the password to a WPA wifi network
Café Wifi Search 🔍 - Find great cafés to work from, worldwide.
Wirepool - Crowdsourced WiFi passwords for everyone 📶
Instabridge - Crowdsourced free wifi (now on Android)
Wiffy - Alexa, ask wiffy what the wifi password is