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Inbox Zero

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Open-source AI email assistant that auto-labels mail, drafts replies in your voice and helps clear your inbox from web or Slack.

What it does

Inbox Zero is an open-source AI email assistant for Gmail and Outlook that automatically labels incoming mail, pre-drafts replies in the user's tone based on their history and calendar, and helps reach an empty inbox with bulk unsubscribe and auto-filing of attachments. It works from the web, Slack or Telegram and can be self-hosted.

How to use: Connect your Gmail or Google Workspace account to Inbox Zero. Configure your AI assistant using plain English instructions to manage emails, automate responses, and organize your inbox. Use the bulk unsubscriber to eliminate unwanted newsletters and the cold email blocker to filter unsolicited outreach.

Core features

Automatic email labeling and categorization
Pre-drafted replies in your voice
Bulk unsubscribe and archive
Auto-files attachments to Drive/OneDrive
Works from web, Slack and Telegram
Open-source and self-hostable, SOC 2 Type 2

Best for

→Reaching inbox zero quickly
→Drafting replies faster
→Cleaning up subscriptions
→Managing email without switching apps

Pricing

Starter
$18/user
Plus
$28/user
Professional
$42/user
Toolspool rankingby monthly traffic

Reviews

Big-picture takes: what it's for and whether it delivers. High-engagement YouTube videos — not sponsored.

Achieve INBOX ZERO on Outlook (in 10 minutes)!
Jeff Su · 310K views
Why do People Like INBOX ZERO? - 4 Minimalist Productivity Rules
WheezyWaiter · 80K views
How an Editor Stays at Inbox Zero
The Atlantic · 31K views

Tutorials

Step-by-step: exactly how to get things done with it.

Inbox Zero in 17 Minutes: The One-Touch Email System
Tiago Forte · 448K views
How to Achieve Inbox Zero - 4 Email Productivity Hacks
Thomas Frank · 227K views