# Overview

[![Screen Shot 2025-03-09 at 19.32.54.png](https://hub.subspace.services/uploads/images/gallery/2025-03/scaled-1680-/screen-shot-2025-03-09-at-19-32-54.png)](https://hub.subspace.services/uploads/images/gallery/2025-03/screen-shot-2025-03-09-at-19-32-54.png)

[Authelia](https://www.authelia.com/) is an open-source single-sign on (SSO) and identity management for a small server.

- Use single-factor or two-factor authentication through [VaultWarden](https://hub.subspace.services/books/vaultwarden "VaultWarden").
- Create user accounts to share access to your services without multi-user support.
- Sign into your services once and stay signed into them on that device.