WiFi Map - A crowdsourced list of routers and passwords
Mapiful - Create & order custom printed maps of your favorite places
Get Free Fucking WiFi - Find the best fucking WiFi just around the corner.
Grafomap - A map poster of your favourite place on earth
Instabridge - Crowdsourced free wifi (now on Android)
TiltMaps - Create map posters of your favorite places & memories.