Jiwire Wi-Fi Finder - JiWire's Global FREE Wi-Fi app uses your iPhone's GPS and network triangulation capabilities to...
Café Wifi Search 🔍 - Find great cafés to work from, worldwide.
Instabridge - Crowdsourced free wifi (now on Android)
WiFi Map - A crowdsourced list of routers and passwords
Wifi Locations - A community driven map for free or not free wifi locations.
Workfrom - Best coffee shops and cafés for working