Zero

What is Zero?

Zero is an open-source, AI-native email client designed to transform how professionals interact with email. Rather than imposing a new interface, Zero embeds AI as a core function throughout your email workflow, enabling intelligent inbox management, rapid response composition, and seamless email organization. Supporting both Gmail and Outlook, Zero provides a unified inbox experience with advanced automation capabilities while maintaining transparency and user control through its fully open-source architecture.

Key Features

• Intelligent Thread Summarization

  AI automatically condenses long email chains into concise summaries with key points and action items, allowing users to understand context without reading entire threads.

• One-Click Email Generation

  Draft and send professional email responses in seconds using context-aware composition that learns from your writing style and email history.

• Smart Inbox Organization

  Automatic categorization and labeling system that intelligently sorts emails into personalized categories (Primary, Alerts, Social, etc.) matching your workflow preferences.

• Natural Language Inbox Chat

  Conversational AI interface allowing users to search, query, and interact with their inbox using plain English commands without traditional folder navigation.

• Keyboard-Optimized Navigation

  Lightning-fast interface powered by keyboard shortcuts enabling users to process hundreds of emails in minutes for maximum productivity.

• Multi-Account Management

  Unified inbox supporting unlimited email connections (Pro plan) with centralized management of multiple Gmail and Outlook accounts.

Use Cases

• High-Volume Email Management : Professionals managing hundreds of daily emails can rapidly process, categorize, and respond to messages using keyboard shortcuts and AI-generated summaries.
• Team Communication : Collaborative teams can leverage shared inbox features, automated categorization, and priority filtering to coordinate across complex email threads efficiently.
• Customer-Facing Communication : Sales and support professionals can generate contextual responses quickly while maintaining personalized communication through AI drafting assistance.
• Executive Inbox Triage : Busy executives can extract action items, prioritize urgent communications, and maintain focus on strategic work while AI handles routine inbox management.
• Cross-Account Inbox Consolidation : Users managing multiple email accounts can consolidate inboxes into a single unified interface for simplified account and communication management.

FAQs