Signature.email - A powerful visual drag and drop email signature generator paired with the easiest way to maintain consistency for your whole team.
Signaturely - Super simple eSignature software
WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
Woleet Sign - eSignatures secured by Bitcoin
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!
HTMLCSS to Image API - Convert HTML to an image (jpg, png, webp). Renders images exactly like Google Chrome. Works with PHP, JavaScript, Ruby, .NET and more.