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

Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.

Newton Mail - Newton is a fully featured mail client available for Android, iOS, macOS and Windows.

Down To Lunch - Press one button to get lunch with friends

myMail - myMail is the smart email app for managing all your accounts on iOS and Android.

Bitebot - Coordinate everyday lunches directly in Slack