WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
MySignature - MySignature is FREE Email Signature Generator that helps to create Professional Signatures for major email clients such as Outlook, Gmail...
Kingmailer - Kingmailer helps you send, receive and route/forward emails.
Sigstr - Email signature marketing
Awesome Mails - Awesome Mails creates beautiful image map emails, featuring an easy to use drag-and-drop editor...