HabitBull - HabitBull
Polymail - Native email app for email productivity.
Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...
Airmail - Airmail is a lightweight and lightning fast mail client for Mac.
Everyday - Take a photo of yourself everyday.
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