Jukebox - Collaborative music player
WiFi Map - A crowdsourced list of routers and passwords
Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
Café Wifi Search 🔍 - Find great cafés to work from, worldwide.
PartyOn - Let everyone DJ together, anywhere
Instabridge - Crowdsourced free wifi (now on Android)