Source: https://seerepo.com/r/Mail-0/Zero
Markdown source: https://seerepo.com/r/Mail-0/Zero.md
Description: Mail-0/Zero is a TypeScript repo with 91,712 lines written. AI signed 0.6% of the 2,805 commits of Zero.

# What's inside Mail-0/Zero

Mail-0/Zero is a TypeScript repo with 91,712 lines written. Zero is built with React, React Router, Vite, and 2 more and uses Redis, Postgres, PostHog, and 4 more. AI signed 0.6% of the 2,805 commits of Zero.

Its description on GitHub: “Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord”

TypeScript · MIT · 10,886 stars · GitHub: https://github.com/Mail-0/Zero

Read on November 13, 2026, at commit 3613273.

## More on this repo

- [What is Zero built with?](https://seerepo.com/r/Mail-0/Zero/built): Zero is built with React, React Router, Vite, and 2 more and uses Redis, Postgres, PostHog, and 4 more.
- [How much of Zero did AI write?](https://seerepo.com/r/Mail-0/Zero/ai): AI signed 0.6% of the 2,805 commits of Zero.

## In figures

- 91,712 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 441 product files: The product’s own files. Test files are counted apart.
- 62 test files: The files that test the code.
- 60 technologies: Each service with the file and line that prove it.

SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.

## Frequently asked questions

### What is Mail-0/Zero?

Mail-0/Zero is a TypeScript repo with 91,712 lines written. Its description on GitHub: “Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord”

The proof: [its page on GitHub](https://github.com/Mail-0/Zero)

### What is Zero built with?

Zero is built with React, React Router, Vite, and 2 more and uses Redis, Postgres, PostHog, and 4 more.

The proof: [each service with its file and line](https://seerepo.com/r/Mail-0/Zero/built)

### How much of Zero did AI write?

AI signed 0.6% of the 2,805 commits of Zero.

The proof: [the commits each tool signed](https://seerepo.com/r/Mail-0/Zero/ai)

### What license does Zero have?

Zero is released under the MIT license.

The proof: [its page on GitHub](https://github.com/Mail-0/Zero)

### How many stars does Zero have on GitHub?

Zero had 10,886 stars on GitHub on November 13, 2026.

The proof: [its page on GitHub](https://github.com/Mail-0/Zero)

## Add this badge to your README

It links to this page and updates itself each time SeeRepo reads the repo.

```markdown
[![Mail-0/Zero on SeeRepo](https://seerepo.com/badge/Mail-0/Zero.svg)](https://seerepo.com/r/Mail-0/Zero?de=insignia)
```

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.