WiFi Map - A crowdsourced list of routers and passwords
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
Get Free Fucking WiFi - Find the best fucking WiFi just around the corner.
PartyWith - Connecting people who love to party - anytime, anywhere.
Instabridge - Crowdsourced free wifi (now on Android)
Party Play - Introducing Party Play. One playlist for multiple users.