An extensible, open-source mail client built on the modern web.

N1 is a foundation to build new email experiences. It's built on Electron, React, and Flux.

We are currently in an invite-only beta. Sign up here to get early access. Star this repository to get even earlier access.

Everything in N1 is an extension. Building your own is easy.

1. Sign up here to request an early invitation code
2. Download N1 and use your early invitation code to log in
3. Follow the getting started guides to write your first extension in 5 minutes

If you would like to run the N1 source and contribute, check out our contributing guide