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.
Haystack - Your new business card.
Drupe - Next generation contact manager and dialer.
HiHello - Exchange contacts, seamlessly.
Simple Contacts - Contact lens prescriptions from home
CamCard - CamCard reads business cards and save instantly to phone Contacts.