Polymail - Native email app for email productivity.
ReadItNever - Say goodbye to 1000+ unread; auto-archive your reading lists
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
DocScan.io - Scan to email solution to archive your paper documents.
Airmail - Airmail is a lightweight and lightning fast mail client for Mac.
7reads - A minimal mindful reading list for Google Chrome.