Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
Polymail - Native email app for email productivity.
Mailscribe - AI-Powered Email Marketing
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
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.
Airmail - Airmail is a lightweight and lightning fast mail client for Mac.