Inbox Zero
Open-source AI email assistant that automates inbox organization, drafts personalized replies, and helps you reach inbox zero fast.
- Pricing:
- Paid
Overview
Inbox Zero is an open-source AI-powered email productivity platform designed to help professionals and teams automate their inbox management and reach inbox zero quickly. It integrates directly with Gmail, Google Workspace, and Microsoft Outlook, operating as a supplementary layer over your existing email client. The system functions like an AI executive assistant: it automatically sorts and labels incoming emails, prioritizes important messages, and flags cold emails, newsletters, and spam for removal. By connecting to your calendar and CRM, it drafts pre-written replies in your own voice, tailored to your actual schedule and customer context.
The platform covers the full inbox workflow with intelligent automation. It offers bulk unsubscribe tools that identify unread newsletters and subscription emails, one-click unsubscribe and archive capabilities, a cold email blocker, and comprehensive email analytics. Users can also set up automatic email forwarding, auto-file attachments, and customize their own smart categories. A distinctive feature is its natural language configuration—users can define rules and workflows in plain English, allowing the assistant to adapt to individual preferences without complex setup.
Inbox Zero is built for flexibility and accessibility. It provides a web interface as well as iOS and Android mobile apps, and it extends AI assistance into Slack, Telegram, and Microsoft Teams, allowing users to read and respond to emails without switching applications. The product prioritizes privacy and transparency: it is SOC 2 Type 2 certified, does not train AI on user data, and its full source code is available on GitHub, enabling self-hosting for organizations with strict security requirements.
With over 20,000 professionals using the tool, Inbox Zero is designed for individuals, executives, entrepreneurs, and teams that handle high email volumes. Offered under affordable tiered plans—Starter, Plus, and Professional—plus custom enterprise options, it helps users reclaim time by minimizing manual email triage, accelerating responses, and keeping inboxes clean and organized.
Core capabilities
- AI Email Assistant
- Automatically organizes your inbox, labels emails, and drafts replies in your own tone and voice.
- Email Automation
- Pre-written drafts generated from your email history, calendar, and CRM data for faster responses.
- Bulk Unsubscribe
- Identifies emails you never read and lets you unsubscribe and archive them in one click.
- Cold Email Blocker
- Blocks and filters unsolicited cold emails to reduce inbox noise.
- Email Analytics
- Provides insights into who emails you most and how your inbox is being used to guide cleanup actions.
- Smart Categories
- Automatically sets up labels like Newsletter, To Reply, Marketing, Calendar, Notification, Cold Email, Team, and Urgent, with custom category support.
- Multi-Platform Access
- Manage your inbox from web, iOS/Android apps, Slack, Telegram, and Microsoft Teams.
- Calendar & CRM Integration
- Drafts context-aware replies based on your real schedule and customer data.
- Natural Language Customization
- Configure email rules and workflows in plain English.
- Open Source & Privacy-First
- Fully open-source code, SOC 2 Type 2 certified, no AI training on your data, and self-hosting options.
Use cases
- Reaching inbox zero quickly by automating email triage and prioritization
- Cleaning up an overflowing inbox with bulk unsubscribe and cold email blocking
- Drafting fast, on-brand responses to incoming emails without starting from scratch
- Managing email and calendar together to avoid double-booking and missed follow-ups
- Staying responsive while on the go via Slack, Telegram, Teams, or mobile apps
- Maintaining privacy and security with self-hosted, SOC 2 compliant open-source deployment
Who it's for
Individual professionals and executives with high email volumes, Entrepreneurs and startup founders, Small business owners, Content creators managing newsletters and promotions, Customer support and operations teams, Real estate professionals and agents, IT teams and developers who prefer open-source solutions
Pricing
Starter
$20Monthly
- For individuals, entrepreneurs, and executives looking to buy back their time. Try free for 7 days Sorts and labels every email Drafts replies in your voice Blocks cold emails Bulk unsubscribe and archive emails Email analytics Pre-meeting briefings Popular
Plus
$35Monthly
- For power users who need integrations and deeper knowledge base support. Try free for 7 days Everything in Starter, plus: 2 email accounts included per user AI meeting notetaker Slack integration App integrations Email digests Auto-file attachments Unlimited knowledge base
Professional
$50Monthly
- For teams and growing businesses handling high email volumes. Try free for 7 days Everything in Plus, plus: Team-wide analytics Priority support Dedicated onboarding manager