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.
Signature.email - A powerful visual drag and drop email signature generator paired with the easiest way to maintain consistency for your whole team.
Drupe - Next generation contact manager and dialer.
WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
Simple Contacts - Contact lens prescriptions from home
SI.GNATU.RE - Free to use HTML email signature generator. Customise your email signature by adding your logo, brand colours, contact details and even a selfie!