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.
WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
Nova Inbox - Personalize emails in seconds, right from your inbox
NEWOLDSTAMP - Email signature generator
Mailblast - Email marketing on a budget using Amazon SES
Sigstr - Email signature marketing