inbox-zero vs Zero
AI email assistants compared
inbox-zero helps manage email with AI-drafted replies, rules, follow-up tracking, and meeting briefs. Zero is a self-hostable email app that brings multiple providers into one inbox with AI-agent workflows; the main difference is inbox-zero’s email-management tools versus Zero’s unified, customizable app.
inbox-zero: Organize Email with an AI Assistant
Inbox Zero is an email assistant that helps individuals and teams handle busy inboxes with AI-drafted replies, rules, and follow-up tools. Use the hosted app or self-host it when you want more control over setup and configuration.
Zero: Self-Host an AI-Powered Email App
Zero is a self-hostable email app that connects services such as Gmail and Outlook in a unified inbox. It combines email workflows with AI agents and is aimed at people who want more control over their email setup and data.
| inbox-zero | Zero | |
|---|---|---|
| Language | TypeScript | TypeScript |
| License | NOASSERTION | MIT |
| Stars | 12.4k | 10.8k |
| Forks | 1.6k | 1.3k |
| Last analyzed | Oct 3, 2026 | Oct 3, 2026 |
Key differences
- inbox-zero emphasizes organizing messages, drafting replies, tracking responses, and bulk cleanup, while Zero focuses on a unified inbox and customizable email workflows.
- inbox-zero offers a hosted service and a self-hosting path; Zero is presented as a self-hostable app.
- inbox-zero includes meeting briefs using email and calendar context and management through Slack or Telegram; Zero lists connections to Gmail and Outlook in its unified inbox.
- inbox-zero reports a NOASSERTION license, while Zero reports an MIT license.
- inbox-zero requires Node.js v24 or later for self-hosting; Zero's local development requirements include Node.js v18 or higher, pnpm v10 or higher, Docker v20 or higher, and PostgreSQL.
- Both projects use TypeScript; inbox-zero lists 12.4k stars and 1.6k forks, while Zero lists 10.8k stars and 1.3k forks.
Choose inbox-zero if you…
- need AI-drafted replies, email rules, and follow-up tracking.
- want tools for bulk email cleanup or meeting briefs using email and calendar context.
- prefer a hosted option or want to self-host an email assistant.
Choose Zero if you…
- want to bring Gmail and Outlook accounts into a unified inbox.
- prefer a self-hostable, customizable email app with AI-agent workflows.
- want an MIT-licensed project to explore or extend.
Compare the numbers side by side, or add more projects
This comparison is generated with AI from the OSRepos analyses of both projects. Always check each project's repository and documentation before choosing.