Zero: Make your inbox smarter and more efficient

What is Zero?

Zero is an AI-powered, native email client designed to help users manage their inbox with maximum efficiency. By integrating advanced artificial intelligence, Zero can automatically organize emails, generate smart replies, extract actionable tasks, and support natural language interactions — transforming the way individuals and teams handle email. Whether for personal use or collaborative work, Zero enhances both speed and productivity in email processing.

Key Features of Zero

AI-Powered Email Summarization: Automatically generates concise summaries of emails, helping users grasp content at a glance and save time.
Smart Reply Suggestions: Provides AI-generated reply options based on email context to accelerate response times.
Task Extraction and Management: Detects actionable tasks from emails and integrates them into your workflow.
Natural Language Search and Control: Supports commands like “Find invoices from John” or “Reply to Lisa’s message” using plain English.
Keyboard-First Operation: Navigate and perform actions quickly using keyboard shortcuts for power users.
Unified Multi-Account Management: Manage multiple email accounts from a single interface with seamless switching.
Privacy & Security: Uses end-to-end encryption to ensure data protection and user privacy.

Technical Foundations of Zero

1. Frontend Stack
Built using Next.js, React, TypeScript, and TailwindCSS for a responsive, high-performance UI.
2. Backend Architecture
Employs Node.js with Drizzle ORM and PostgreSQL for efficient data handling and scalability.
3. OAuth 2.0 Authentication
Uses secure Google OAuth 2.0 integration for user login and email access authorization.
4. AI Model Integration
Integrates OpenAI’s GPT models for smart email parsing, summarization, and reply generation.
5. Self-Hosting & Extensibility
Offers an open-source version, giving users and developers the freedom to self-host and customize based on their needs.

Project Links

Official Website: https://0.email/
GitHub Repository: https://github.com/Mail-0/Mail-0

Application Scenarios for Zero

Individual Users: Helps manage personal inboxes more effectively, decluttering and summarizing emails in real time.
Team Collaboration: Enables team members to collaboratively manage communications across accounts, streamlining internal workflows.
Developers and Tech Users: Supports self-hosting and customization, offering deep control for technical users and open-source advocates.
Privacy-Conscious Users: With end-to-end encryption and no vendor lock-in, Zero is ideal for users who prioritize data security.