Mailshake - Mailshake lets you build your professional network through a smart and intuitive approach to cold emailing.
Polymail - Native email app for email productivity.
lemlist - Send emails that get replies 💌
Revo Mortgage Collaboration - Revo is a cloud based deal management service, it addresses the missing technology gap for mortgage application process and workflow management for high volume mortgage producers and their assistants using a cloud based CRM service solution
Airmail - Airmail is a lightweight and lightning fast mail client for Mac.
Mailmeteor - Send hundreds of personalized emails with Gmail.