Inbox Zero

Open-source Superhuman alternative

Inbox Zero Introduction

Inbox Zero Mail is an open-source email client for Gmail and Outlook, available on web, Mac, Windows, and iPhone. It offers a fast, keyboard-first experience that unifies all your accounts into a single inbox. Its optional AI add-on sorts incoming email and drafts replies in your voice, and includes features like private team comments, Slack alerts, and contextual information from your tools.

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More about Inbox Zero

Pricing

Paid

Listed

Oct 19, 2026

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