SignatureSatori - A Solution for central e-mail signature management for Google Apps.
Signature Lab - Create a beautifully designed email signature in seconds.
cPanel - With its first-class support and rich feature set, cPanel & WHM has been the web hosting industry's most reliable, intuitive control panel since 1997.
Signature.email - A powerful visual drag and drop email signature generator paired with the easiest way to maintain consistency for your whole team.
WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
Email Signature Creator - Create beautiful, professional email signatures in minutes.