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.

Cardhop - The Mac contacts app you'll want to use.

Drupe - Next generation contact manager and dialer.

about.me - About.me lets you quickly build simple and visually elegant splash pages that points visitors to your content from around the web. Get started today.

Simple Contacts - Contact lens prescriptions from home

ContactRescue - Magically get your address book up-to-date and accurate