Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
WiFi Map - A crowdsourced list of routers and passwords
Open Contacts - Open Contacts is an advanced address book program for managing contact info of individuals and...
Get Free Fucking WiFi - Find the best fucking WiFi just around the corner.
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Instabridge - Crowdsourced free wifi (now on Android)