Callpage - Turn website visitors into sales calls. Use CallPage and provide immediate free phone callback to your leads in 28 seconds.
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Kit CRM - A CRM for your Facebook page
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Closer - Digitize your sales team | Video calls for sales
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.