Instabridge - Crowdsourced free wifi (now on Android)
Café Wifi Search 🔍 - Find great cafés to work from, worldwide.
TotalHotspots - Total Hotspots helps you find your ideal hotspots.
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