WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
MySignature - MySignature is FREE Email Signature Generator that helps to create Professional Signatures for major email clients such as Outlook, Gmail...
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Exclaimer - Exclaimer is the industry's leading provider of email signature solutions, empowering businesses to unlock the potential of email as a key digital advertising channel.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.