Todoist Gmail

Stay on top of every email with Todoist for Gmail.

Outlook Mail

Add tasks and manage your to-dos right from Outlook.

Airmail

Lightning fast email client for Mac and iOS.

Mailbutler

The number one productivity extension for Apple Mail, Gmail, and Outlook.

Spark

An effortless email client for professionals and their teams.

Missive

One app for all your internal and external communication.

Zoho Mail

Create and manage Todoist projects right from your Inbox.