Jiwire Wi-Fi Finder - JiWire's Global FREE Wi-Fi app uses your iPhone's GPS and network triangulation capabilities to...
WiFi Map - A crowdsourced list of routers and passwords
Instabridge - Crowdsourced free wifi (now on Android)
Café Wifi Search 🔍 - Find great cafés to work from, worldwide.
Wifi Locations - A community driven map for free or not free wifi locations.
OpenSignal - Mobile analytics and insights on wireless connectivity from Opensignal, the independent global standard for understanding the true state of the world's mobile network.