WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
Stretch - Uber for limousines (but it's free)
Mailcastr - Create email signature that tells when your email is read.✉️
BlaBlaCar - BlaBlaCar is a ride sharing service that connects travelers throughout Europe.
MySignature - MySignature is FREE Email Signature Generator that helps to create Professional Signatures for major email clients such as Outlook, Gmail...
Skedaddle - Buspool to your favorite destinations