SendX.io - SendX (https://sendx.io) provides remarketing and retargeting tools for web businesses. You can use popups, landing pages, email, web push notification, automation workflows and FB / Google retargeting to drive more revenue.
Email Signature Generator by cloudHQ - Free email signatures with logo, video, social icons & more!
Nova Inbox - Personalize emails in seconds, right from your inbox
Mailcastr - Create email signature that tells when your email is read.✉️
Mailblast - Email marketing on a budget using Amazon SES
WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.