FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Cotton Business Cards by MOO - Eco-friendly & recycled business cards
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
MOO Business Cards+ - Beautiful NFC business cards that trigger digital actions
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.
ABBYY Business Card Reader - Scan cards ≡ in a second and manage them everywhere ☁