inbox-zero vs Zero
AI email tools compared: inbox-zero and Zero
inbox-zero and Zero are TypeScript email projects that use AI to help people manage messages. inbox-zero centers on inbox organization, replies, follow-ups, and related workflows, while Zero focuses on a customizable, self-hosted app for connecting email providers such as Gmail and Outlook.
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: A Self-Hosted AI Email App
Zero is an open-source email app for managing accounts from providers such as Gmail and Outlook, with AI features and a focus on privacy. It suits people who want a customizable inbox they can self-host.
| 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 offers AI-drafted replies, plain-language rules, follow-up tracking, and bulk email cleanup; Zero describes AI agents and LLM integrations alongside a customizable email interface.
- inbox-zero adds meeting briefs with email and calendar context and lets users manage email through Slack or Telegram; Zero emphasizes connecting accounts from providers including Gmail and Outlook.
- Both offer self-hosting, but inbox-zero also provides a hosted service; Zero is presented as a self-hosted email app.
- inbox-zero reports a NOASSERTION license, while Zero reports an MIT license.
- Self-hosting inbox-zero requires Docker and Node.js v24 or later; Zero lists Node.js 18 or higher, pnpm 10 or higher, Docker 20 or higher, and PostgreSQL.
- Both are active TypeScript projects; inbox-zero reports 12.4k stars and 1.6k forks, while Zero reports 10.8k stars and 1.3k forks.
Choose inbox-zero if you…
- want AI help with replies, inbox rules, and messages awaiting a response.
- need email cleanup, meeting briefs, or inbox management through Slack or Telegram.
- prefer a hosted option as well as a self-hosting path.
Choose Zero if you…
- want to connect email accounts across providers such as Gmail and Outlook.
- prefer a customizable email app focused on self-hosting.
- want to adapt or extend an email interface and are comfortable configuring supporting services.
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.