Janetter - Janetter is a Twitter client application. Faster, smarter, and more powerful.
WiFi Map - A crowdsourced list of routers and passwords
YoruFukurou - YoruFukurou (NightOwl) is a Twitter client for Mac OS X, designed for Twitter addicts.
Café Wifi Search 🔍 - Find great cafés to work from, worldwide.
Talon for Twitter - Elegantly designed, ad-free Twitter experience for Android
Instabridge - Crowdsourced free wifi (now on Android)