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.
Shake Business Cards - The new way to share your LinkedIn, email and phone details
Open Contacts - Open Contacts is an advanced address book program for managing contact info of individuals and...
100AM - Next gen business cards: always up-to-date, bright design
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Cardanti Smart Business Card - One tap, no app. The smart business card everyone can use.