Morning Mail - A new way to manage your mail. Tinder for email.
Maily McMailFace - Dead-simple, people-centric 👩💼👨💼 mail app 💌
Polymail - Native email app for email productivity.
Airmail - Airmail is a lightweight and lightning fast mail client for Mac.
Mail Pilot - Beautiful task oriented email client for Mac, iPhone, & iPad
Mailbird - Mailbird is the best email client for Windows 7, 8 and 10