In Germany there is exactly this for free. https://freifunk.net/en/ https://freifunk.net/en/ Altough its far away from good coverage you get free wifi here and

In Germany there is exactly this for free. https://freifunk.net/en/ https://freifunk.net/en/ Altough its far away from good coverage you get free wifi here and there. Especially Coffee Shops and in Big Citys.