Ugly Email for FireFox - Get back your email privacy, block email tracking
WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
PixelBlock - Block email open tracking inside of Gmail
Mailcastr - Create email signature that tells when your email is read.✉️
MailTrackerBlocker - Developer solving interesting problems with APIs. OSS contributor (Slim Framework, rst2pdf, OpenWhisk) & amateur photographer. He/him.
MySignature - MySignature is FREE Email Signature Generator that helps to create Professional Signatures for major email clients such as Outlook, Gmail...